{"id":483,"date":"2025-04-03T18:00:12","date_gmt":"2025-04-03T10:00:12","guid":{"rendered":"https:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/"},"modified":"2025-04-03T18:00:12","modified_gmt":"2025-04-03T10:00:12","slug":"java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97","status":"publish","type":"post","link":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/","title":{"rendered":"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66&#8230;"},"content":{"rendered":"<div class=\"article_content clearfix\" id=\"article_content\">\n <link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/kdoc_html_views-1a98987dfd.css\" rel=\"stylesheet\"\/>\n <link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/ck_htmledit_views-704d5b9767.css\" rel=\"stylesheet\"\/>\n<div class=\"htmledit_views\" id=\"content_views\">\n<p id=\"main-toc\">\n   <strong><br \/>\n    \u76ee\u5f55<br \/>\n   <\/strong>\n  <\/p>\n<p id=\"%E7%BB%83%E4%B9%A0%E4%B8%80%EF%BC%9A%E6%96%87%E5%AD%97%E7%89%88%E6%A0%BC%E6%96%97%E6%B8%B8%E6%88%8F-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E7%BB%83%E4%B9%A0%E4%B8%80%EF%BC%9A%E6%96%87%E5%AD%97%E7%89%88%E6%A0%BC%E6%96%97%E6%B8%B8%E6%88%8F\" rel=\"nofollow\"><br \/>\n    \u7ec3\u4e60\u4e00\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f<br \/>\n   <\/a>\n  <\/p>\n<p id=\"%E7%BB%83%E4%B9%A0%E4%BA%8C%EF%BC%9A%E6%96%87%E5%AD%97%E7%89%88%E6%A0%BC%E6%96%97%E6%B8%B8%E6%88%8F%E8%BF%9B%E9%98%B6-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E7%BB%83%E4%B9%A0%E4%BA%8C%EF%BC%9A%E6%96%87%E5%AD%97%E7%89%88%E6%A0%BC%E6%96%97%E6%B8%B8%E6%88%8F%E8%BF%9B%E9%98%B6\" rel=\"nofollow\"><br \/>\n    \u7ec3\u4e60\u4e8c\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636<br \/>\n   <\/a>\n  <\/p>\n<p id=\"%E7%BB%83%E4%B9%A0%E4%B8%89%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E5%95%86%E5%93%81%EF%BC%89-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E7%BB%83%E4%B9%A0%E4%B8%89%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E5%95%86%E5%93%81%EF%BC%89\" rel=\"nofollow\"><br \/>\n    \u7ec3\u4e60\u4e09\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09<br \/>\n   <\/a>\n  <\/p>\n<p id=\"%E6%89%A9%E5%B1%95%EF%BC%9A%E9%94%AE%E7%9B%98%E5%BD%95%E5%85%A5%C2%A0-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E6%89%A9%E5%B1%95%EF%BC%9A%E9%94%AE%E7%9B%98%E5%BD%95%E5%85%A5%C2%A0\" rel=\"nofollow\"><br \/>\n    \u6269\u5c55\uff1a\u952e\u76d8\u5f55\u5165<br \/>\n   <\/a>\n  <\/p>\n<p id=\"%E7%BB%83%E4%B9%A0%E5%9B%9B%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E6%B1%BD%E8%BD%A6%EF%BC%89-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E7%BB%83%E4%B9%A0%E5%9B%9B%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E6%B1%BD%E8%BD%A6%EF%BC%89\" rel=\"nofollow\"><br \/>\n    \u7ec3\u4e60\u56db\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66\uff09<br \/>\n   <\/a>\n  <\/p>\n<p id=\"%E7%BB%83%E4%B9%A0%E4%BA%94%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E6%89%8B%E6%9C%BA%EF%BC%89-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E7%BB%83%E4%B9%A0%E4%BA%94%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E6%89%8B%E6%9C%BA%EF%BC%89\" rel=\"nofollow\"><br \/>\n    \u7ec3\u4e60\u4e94\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u624b\u673a\uff09<br \/>\n   <\/a>\n  <\/p>\n<p id=\"%E7%BB%83%E4%B9%A0%E5%85%AD%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E5%A5%B3%E6%9C%8B%E5%8F%8B%EF%BC%89-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E7%BB%83%E4%B9%A0%E5%85%AD%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E5%A5%B3%E6%9C%8B%E5%8F%8B%EF%BC%89\" rel=\"nofollow\"><br \/>\n    \u7ec3\u4e60\u516d\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u5973\u670b\u53cb\uff09<br \/>\n   <\/a>\n  <\/p>\n<p id=\"%E7%BB%83%E4%B9%A0%E4%B8%83%EF%BC%9A%E5%A4%8D%E6%9D%82%E7%9A%84%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%E6%93%8D%E4%BD%9C-toc\" style=\"margin-left:0px;\">\n   <a href=\"#%E7%BB%83%E4%B9%A0%E4%B8%83%EF%BC%9A%E5%A4%8D%E6%9D%82%E7%9A%84%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%E6%93%8D%E4%BD%9C\" rel=\"nofollow\"><br \/>\n    \u7ec3\u4e60\u4e03\uff1a\u590d\u6742\u7684\u5bf9\u8c61\u6570\u7ec4\u64cd\u4f5c<br \/>\n   <\/a>\n  <\/p>\n<\/p>\n<h2 id=\"%E7%BB%83%E4%B9%A0%E4%B8%80%EF%BC%9A%E6%96%87%E5%AD%97%E7%89%88%E6%A0%BC%E6%96%97%E6%B8%B8%E6%88%8F\" style=\"background-color:transparent;\">\n   \u7ec3\u4e60\u4e00\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f<br \/>\n  <\/h2>\n<p>\n   \u9700\u6c42:\n  <\/p>\n<p>\n   \u200b \u683c\u6597\u6e38\u620f\uff0c\u6bcf\u4e2a\u6e38\u620f\u89d2\u8272\u7684\u59d3\u540d\uff0c\u8840\u91cf\uff0c\u90fd\u4e0d\u76f8\u540c\uff0c\u5728\u9009\u5b9a\u4eba\u7269\u7684\u65f6\u5019\uff08new\u5bf9\u8c61\u7684\u65f6\u5019\uff09\uff0c\u8fd9\u4e9b\u4fe1\u606f\u5c31\u5e94\u8be5\u88ab\u786e\u5b9a\u4e0b\u6765\u3002\n  <\/p>\n<p>\n   \u4e3e\u4f8b\uff1a\n  <\/p>\n<p>\n   \u200b \u7a0b\u5e8f\u8fd0\u884c\u4e4b\u540e\u7ed3\u679c\u4e3a\uff1a\n  <\/p>\n<p>\n   \u200b \u59d3\u540d\u4e3a:\u4e54\u5cf0 \u8840\u91cf\u4e3a:100\n  <\/p>\n<p>\n   \u200b \u59d3\u540d\u4e3a:\u9e20\u6469\u667a \u8840\u91cf\u4e3a:100\n  <\/p>\n<p>\n   \u200b \u4e54\u5cf0\u4e3e\u8d77\u62f3\u5934\u6253\u4e86\u9e20\u6469\u667a\u4e00\u4e0b\uff0c\u9020\u6210\u4e86XX\u70b9\u4f24\u5bb3\uff0c\u9e20\u6469\u667a\u8fd8\u5269\u4e0bXXX\u70b9\u8840\u3002\n  <\/p>\n<p>\n   \u200b \u9e20\u6469\u667a\u4e3e\u8d77\u62f3\u5934\u6253\u4e86\u9e20\u6469\u667a\u4e00\u4e0b\uff0c\u9020\u6210\u4e86XX\u70b9\u4f24\u5bb3\uff0c\u4e54\u5cf0\u8fd8\u5269\u4e0bXXX\u70b9\u8840\u3002\n  <\/p>\n<p>\n   \u200b \u4e54\u5cf0\u4e3e\u8d77\u62f3\u5934\u6253\u4e86\u9e20\u6469\u667a\u4e00\u4e0b\uff0c\u9020\u6210\u4e86XX\u70b9\u4f24\u5bb3\uff0c\u9e20\u6469\u667a\u8fd8\u5269\u4e0bXXX\u70b9\u8840\u3002\n  <\/p>\n<p>\n   \u200b \u9e20\u6469\u667a\u4e3e\u8d77\u62f3\u5934\u6253\u4e86\u9e20\u6469\u667a\u4e00\u4e0b\uff0c\u9020\u6210\u4e86XX\u70b9\u4f24\u5bb3\uff0c\u4e54\u5cf0\u8fd8\u5269\u4e0bXXX\u70b9\u8840\u3002\n  <\/p>\n<p>\n   \u200b \u4e54\u5cf0K.O.\u4e86\u9e20\u6469\u667a\n  <\/p>\n<\/p>\n<p>\n   main\u65b9\u6cd5\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01;\n\npublic class GameTest {\n    public static void main(String[] args) {\n        \/\/1.\u521b\u5efa\u7b2c\u4e00\u4e2a\u6e38\u620f\u5bf9\u8c61\n        Role r1 = new Role(\"\u4e54\u5cf0\", 100);\n        \/\/2.\u521b\u5efa\u7b2c\u4e00\u4e2a\u6e38\u620f\u5bf9\u8c61\n        Role r2 = new Role(\"\u9e20\u6469\u667a\", 100);\n\n        \/\/3.\u5f00\u59cb\u683c\u6597 \u56de\u5408\u5236\u6e38\u620f\n        while (true) {\n            \/\/3.1 \u56de\u5408\u5236\u6e38\u620f r1\u5148\u624b\u653b\u51fb\n            r1.attack(r2);\n            \/\/\u5224\u65adr2\u5269\u4f59\u7684\u8840\u91cf\n            if (r2.getBlood() == 0) {\n                System.out.println(r1.getName() + \"\u51fb\u8d25\u4e86\" + r2.getName());\n                break;\n            }\n\n            \/\/3.2 \u56de\u5408\u5236\u6e38\u620f \u5148\u624b\u653b\u51fb\n            r2.attack(r1);\n            \/\/\u5224\u65adr1\u5269\u4f59\u7684\u8840\u91cf\n            if (r1.getBlood() == 0) {\n                System.out.println(r2.getName() + \"\u51fb\u8d25\u4e86\" + r1.getName());\n                break;\n            }\n        }\n    }\n}\n\n\n<\/code><\/pre>\n<p>\n   javaBean:\n  <\/p>\n<pre><code class=\"language-java\">\npackage itheima.test01;\n\nimport java.util.Random;\n\npublic class Role {\n    private String name;\n    private int blood;\n\n    public Role() {\n    }\n\n    public Role(String name, int blood) {\n        this.name = name;\n        this.blood = blood;\n    }\n\n\n    public String getName() {\n        return name;\n    }\n\n\n    public void setName(String name) {\n        this.name = name;\n    }\n\n\n    public int getBlood() {\n        return blood;\n    }\n\n\n    public void setBlood(int blood) {\n        this.blood = blood;\n    }\n\n\n    \/\/ \u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u7528\u4e8e\u653b\u51fb\u522b\u4eba\n    \/\/ \u601d\u8003\uff1a\u8c01\u653b\u51fb\u8c01\uff1f\n    \/\/ Role r1 = new Role();\n    \/\/ Role r2 = new Role();\n    \/\/ r1.\u653b\u51fb\uff08r2\uff09;\n    \/\/ \u65b9\u6cd5\u8c03\u7528\u8005\u53bb\u653b\u51fb\u53c2\u6570\n\n    public void attack(Role role) {\n        \/\/ \u8ba1\u7b97\u9020\u6210\u7684\u4f24\u5bb3 1~20\n        Random r = new Random();\n        int hurt = r.nextInt(20) + 1;\n\n        \/\/ \u8ba1\u7b97\u88ab\u653b\u51fb\u8005\u5269\u4f59\u7684\u8840\u91cf\n        int remainBoold = role.getBlood() - hurt;\n\n        \/\/ \u5bf9\u5269\u4f59\u8840\u91cf\u505a\u4e00\u4e2a\u9a8c\u8bc1\uff0c\u5982\u679c\u4e3a\u8d1f\u6570\uff0c\u5c31\u4fee\u6539\u4e3a0\n        remainBoold = remainBoold &lt; 0 ? 0 : remainBoold;\n        \/\/ \u4fee\u6539\u4e00\u4e0b\u6328\u63cd\u4eba\u7684\u8840\u91cf\n        role.setBlood(remainBoold);\n\n        \/\/ this\u8868\u793a\u65b9\u6cd5\u7684\u8c03\u7528\u8005\n        System.out.println(this.getName() + \"\u4e3e\u8d77\u62f3\u5934\uff0c\u6253\u4e86\" + role.getName() + \"\u9020\u6210\u4e86\" + hurt + \"\u70b9\u4f24\u5bb3\uff0c\"+this.getName()+\"\u5269\u4f59\u8840\u91cf\u4e3a\" + remainBoold);\n    }\n}\n<\/code><\/pre>\n<p>\n   \u6269\u5c55\uff1a%s\u610f\u601d\u662f%\u4f5c\u4e3a\u4e00\u4e2a\u66ff\u4ee3\u3002\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01;\n\npublic class Text {\n    public static void main(String[] args) {\n\n        \/\/ \u4e24\u90e8\u5206\u53c2\u6570\n        \/\/\u7b2c\u4e00\u90e8\u5206\u53c2\u6570\uff1a\u8981\u8f93\u51fa\u7684\u5185\u5bb9%s(\u5360\u4f4d)\n        \/\/\u7b2c\u4e8c\u90e8\u5206\u53c2\u6570\uff1a\u586b\u5145\u7684\u6570\u636e\uff0c\u6570\u636e\u7684\u4e2a\u6570\u548c%s\u4e2a\u6570\u8981\u4e00\u6837\n        System.out.printf(\"\u4f60\u597d\u554a%s\",\"\u5f20\u4e09\");\n        System.out.println();\n        System.out.printf(\"\u4f60\u597d\u554a%s,%s\",\"\u5f20\u4e09\",\"\u674e\u56db\");\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%E7%BB%83%E4%B9%A0%E4%BA%8C%EF%BC%9A%E6%96%87%E5%AD%97%E7%89%88%E6%A0%BC%E6%96%97%E6%B8%B8%E6%88%8F%E8%BF%9B%E9%98%B6\" style=\"background-color:transparent;\">\n   \u7ec3\u4e60\u4e8c\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636<br \/>\n  <\/h2>\n<p>\n   \u200b \u5728\u4e0a\u4e00\u4e2a\u7684\u57fa\u7840\u4e0a\uff0c\u6211\u60f3\u770b\u5230\u4eba\u7269\u7684\u6027\u522b\u548c\u957f\u76f8\uff0c\u6253\u6597\u7684\u65f6\u5019\u6211\u60f3\u770b\u5230\u6b66\u529f\u62db\u5f0f\u3002\n  <\/p>\n<p>\n   \u4e3e\u4f8b\uff1a\n  <\/p>\n<p>\n   \u200b \u7a0b\u5e8f\u8fd0\u884c\u4e4b\u540e\u7ed3\u679c\u4e3a\uff1a\n  <\/p>\n<p>\n   \u200b \u59d3\u540d\u4e3a:\u4e54\u5cf0 \u8840\u91cf\u4e3a:100 \u6027\u522b\u4e3a:\u7537 \u957f\u76f8\u4e3a:\u6c14\u5b87\u8f69\u6602\n  <\/p>\n<p>\n   \u200b \u59d3\u540d\u4e3a:\u9e20\u6469\u667a \u8840\u91cf\u4e3a:100 \u6027\u522b\u4e3a:\u7537 \u957f\u76f8\u4e3a:\u6c14\u5b87\u8f69\u6602\n  <\/p>\n<p>\n   \u200b \u4e54\u5cf0\u4f7f\u51fa\u4e86\u4e00\u62db\u3010\u80cc\u5fc3\u9489\u3011\uff0c\u8f6c\u5230\u5bf9\u65b9\u7684\u8eab\u540e\uff0c\u4e00\u638c\u5411\u9e20\u6469\u667a\u80cc\u5fc3\u7684\u7075\u53f0\u7a74\u62cd\u53bb\u3002\u7ed9\u9e20\u6469\u667a\u9020\u6210\u4e00\u5904\u7600\u4f24\u3002\n  <\/p>\n<p>\n   \u200b \u9e20\u6469\u667a\u4f7f\u51fa\u4e86\u4e00\u62db\u3010\u6e38\u7a7a\u63a2\u722a\u3011\uff0c\u98de\u8d77\u8eab\u5f62\u81ea\u534a\u7a7a\u4e2d\u53d8\u638c\u4e3a\u6293\u9501\u5411\u4e54\u5cf0\u3002\u7ed3\u679c\u4e54\u5cf0\u9000\u4e86\u534a\u6b65\uff0c\u6beb\u53d1\u65e0\u635f\u3002\n  <\/p>\n<p>\n   \u200b \u3002\u3002\u3002\u3002\n  <\/p>\n<p>\n   \u200b \u4e54\u5cf0K.O.\u4e86\u9e20\u6469\u667a\n  <\/p>\n<p>\n   \u5206\u6790\uff1a\n  <\/p>\n<p>\n   \u200b \u957f\u76f8\u662f\u63d0\u524d\u5b9a\u4e49\u597d\u7684\uff0c\u63d0\u524d\u653e\u5728\u4e00\u4e2a\u6570\u7ec4\u5f53\u4e2d\uff0c\u7a0b\u5e8f\u8fd0\u884c\u4e4b\u540e\uff0c\u4ece\u6570\u7ec4\u4e2d\u968f\u673a\u83b7\u53d6\u3002\n  <\/p>\n<\/p>\n<p>\n   main\u65b9\u6cd5\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Text2;\n\nimport itheima.test01.Text2.Role;\n\npublic class GameTest {\n    public static void main(String[] args) {\n        \/\/1.\u521b\u5efa\u7b2c\u4e00\u4e2a\u6e38\u620f\u5bf9\u8c61\n        itheima.test01.Text2.Role r1 = new Role(\"\u4e54\u5cf0\", 100,'\u7537');\n        \/\/2.\u521b\u5efa\u7b2c\u4e00\u4e2a\u6e38\u620f\u5bf9\u8c61\n        itheima.test01.Text2.Role r2 = new Role(\"\u9e20\u6469\u667a\", 100,'\u7537');\n\n        \/\/\u5c55\u73b0\u4e00\u4e0b\u89d2\u8272\u4fe1\u606f\n        r1.showRoleInfo();\n        r2.showRoleInfo();\n\n        \/\/3.\u5f00\u59cb\u683c\u6597 \u56de\u5408\u5236\u6e38\u620f\n        while (true) {\n            \/\/3.1 \u56de\u5408\u5236\u6e38\u620f r1\u5148\u624b\u653b\u51fb\n            r1.attack(r2);\n            \/\/\u5224\u65adr2\u5269\u4f59\u7684\u8840\u91cf\n            if (r2.getBlood() == 0) {\n                System.out.println(r1.getName() + \"\u51fb\u8d25\u4e86\" + r2.getName());\n                break;\n            }\n\n            \/\/3.2 \u56de\u5408\u5236\u6e38\u620f \u5148\u624b\u653b\u51fb\n            r2.attack(r1);\n            \/\/\u5224\u65adr1\u5269\u4f59\u7684\u8840\u91cf\n            if (r1.getBlood() == 0) {\n                System.out.println(r2.getName() + \"\u51fb\u8d25\u4e86\" + r1.getName());\n                break;\n            }\n        }\n    }\n}<\/code><\/pre>\n<p>\n   JavaBean\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Text2;\n\nimport java.net.SocketOption;\nimport java.util.Random;\n\npublic class Role {\n    private String name;\n    private int blood;\n    private char gender;\n    private String face;\/\/\u957f\u76f8\u662f\u968f\u673a\u7684\n\n    String[] boyfaces = {\"\u98ce\u6d41\u4fca\u96c5\", \"\u6c14\u5b87\u8f69\u6602\", \"\u76f8\u8c8c\u82f1\u4fca\", \"\u4e94\u5b98\u7aef\u6b63\", \"\u76f8\u8c8c\u5e73\u5e73\", \"\u4e00\u584c\u7cca\u6d82\", \"\u9762\u76ee\u72f0\u72de\"};\n    String[] girlfaces = {\"\u7f8e\u5942\u7edd\u4f26\", \"\u6c89\u9c7c\u843d\u96c1\", \"\u5a77\u5a77\u7389\u7acb\", \"\u8eab\u6750\u5a07\u597d\", \"\u76f8\u8c8c\u5e73\u5e73\", \"\u76f8\u8c8c\u7b80\u964b\", \"\u60e8\u4e0d\u5fcd\u7779\"};\n\n    \/\/attack \u653b\u51fb\u63cf\u8ff0\uff1a\n    String[] attacks_desc = {\n            \"%s\u4f7f\u51fa\u4e86\u4e00\u62db\u3010\u80cc\u5fc3\u9489\u3011\uff0c\u8f6c\u5230\u5bf9\u65b9\u7684\u8eab\u540e\uff0c\u4e00\u638c\u5411%s\u80cc\u5fc3\u7684\u7075\u53f0\u7a74\u62cd\u53bb\u3002\",\n            \"%s\u4f7f\u51fa\u4e86\u4e00\u62db\u3010\u6e38\u7a7a\u63a2\u722a\u3011\uff0c\u98de\u8d77\u8eab\u5f62\u81ea\u534a\u7a7a\u4e2d\u53d8\u638c\u4e3a\u6293\u9501\u5411%s\u3002\",\n            \"%s\u5927\u559d\u4e00\u58f0\uff0c\u8eab\u5f62\u4e0b\u4f0f\uff0c\u4e00\u62db\u3010\u5288\u96f7\u5760\u5730\u3011\uff0c\u6376\u5411%s\u53cc\u817f\u3002\",\n            \"%s\u8fd0\u6c14\u4e8e\u638c\uff0c\u4e00\u77ac\u95f4\u638c\u5fc3\u53d8\u5f97\u8840\u7ea2\uff0c\u4e00\u5f0f\u3010\u638c\u5fc3\u96f7\u3011\uff0c\u63a8\u5411%s\u3002\",\n            \"%s\u9634\u624b\u7ffb\u8d77\u9633\u624b\u8ddf\u8fdb\uff0c\u4e00\u62db\u3010\u6ca1\u906e\u62e6\u3011\uff0c\u7ed3\u7ed3\u5b9e\u5b9e\u7684\u6376\u5411%s\u3002\",\n            \"%s\u4e0a\u6b65\u62a2\u8eab\uff0c\u62db\u4e2d\u5957\u62db\uff0c\u4e00\u62db\u3010\u5288\u6302\u8fde\u73af\u3011\uff0c\u8fde\u73af\u653b\u5411%s\u3002\"\n    };\n\n    \/\/injured \u53d7\u4f24\u63cf\u8ff0\uff1a\n    String[] injureds_desc = {\n            \"\u7ed3\u679c%s\u9000\u4e86\u534a\u6b65\uff0c\u6beb\u53d1\u65e0\u635f\",\n            \"\u7ed3\u679c\u7ed9%s\u9020\u6210\u4e00\u5904\u7600\u4f24\",\n            \"\u7ed3\u679c\u4e00\u51fb\u547d\u4e2d\uff0c%s\u75db\u5f97\u5f2f\u4e0b\u8170\",\n            \"\u7ed3\u679c%s\u75db\u82e6\u5730\u95f7\u54fc\u4e86\u4e00\u58f0\uff0c\u663e\u7136\u53d7\u4e86\u70b9\u5185\u4f24\",\n            \"\u7ed3\u679c%s\u6447\u6447\u6643\u6643\uff0c\u4e00\u8de4\u6454\u5012\u5728\u5730\",\n            \"\u7ed3\u679c%s\u8138\u8272\u4e00\u4e0b\u53d8\u5f97\u60e8\u767d\uff0c\u8fde\u9000\u4e86\u597d\u51e0\u6b65\",\n            \"\u7ed3\u679c\u300e\u8f70\u300f\u7684\u4e00\u58f0\uff0c%s\u53e3\u4e2d\u9c9c\u8840\u72c2\u55b7\u800c\u51fa\",\n            \"\u7ed3\u679c%s\u4e00\u58f0\u60e8\u53eb\uff0c\u50cf\u6ee9\u8f6f\u6ce5\u822c\u584c\u4e86\u4e0b\u53bb\"\n    };\n\n    public Role() {\n    }\n\n    public Role(String name, int blood, char gender) {\n        this.name = name;\n        this.blood = blood;\n        this.gender = gender;\n        setFace(gender);\n\n    }\n\n    public char getGender() {\n        return gender;\n    }\n\n    public void setGender(char gender) {\n        this.gender = gender;\n    }\n\n    public String getFace() {\n        return face;\n    }\n\n    public void setFace(char gender) {\n        Random r = new Random();\n        \/\/\u957f\u76f8\u662f\u968f\u673a\u7684\n        if (gender == '\u7537') {\n            \/\/\u4eceboyfaces\u91cc\u9762\u968f\u673a\u957f\u76f8\n            int index = r.nextInt(boyfaces.length);\n            this.face = boyfaces[index];\n        } else if (gender == '\u5973') {\n            \/\/\u4eceboyfaces\u91cc\u9762\u968f\u673a\u957f\u76f8\n            int index = r.nextInt(girlfaces.length);\n            this.face = girlfaces[index];\n        } else {\n            this.face = \"\u9762\u76ee\u72f0\u72de\";\n        }\n        this.face = face;\n    }\n\n\n    public String getName() {\n        return name;\n    }\n\n\n    public void setName(String name) {\n        this.name = name;\n    }\n\n\n    public int getBlood() {\n        return blood;\n    }\n\n\n    public void setBlood(int blood) {\n        this.blood = blood;\n    }\n\n\n    \/\/ \u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u7528\u4e8e\u653b\u51fb\u522b\u4eba\n    \/\/ \u601d\u8003\uff1a\u8c01\u653b\u51fb\u8c01\uff1f\n    \/\/ Role r1 = new Role();\n    \/\/ Role r2 = new Role();\n    \/\/ r1.\u653b\u51fb\uff08r2\uff09;\n    \/\/ \u65b9\u6cd5\u8c03\u7528\u8005\u53bb\u653b\u51fb\u53c2\u6570\n\n    public void attack(Role role) {\n        Random r = new Random();\n        int index = r.nextInt(attacks_desc.length);\n        String kungFu = attacks_desc[index];\n\n        \/\/ \u8f93\u51fa\u4e00\u4e2a\u653b\u51fb\u6548\u679c\n        System.out.printf(kungFu, this.getName(), role.getName());\n        System.out.println();\n\n        \/\/ \u8ba1\u7b97\u9020\u6210\u7684\u4f24\u5bb3 1~20\n        int hurt = r.nextInt(20) + 1;\n\n        \/\/ \u8ba1\u7b97\u88ab\u653b\u51fb\u8005\u5269\u4f59\u7684\u8840\u91cf\n        int remainBoold = role.getBlood() - hurt;\n\n        \/\/ \u5bf9\u5269\u4f59\u8840\u91cf\u505a\u4e00\u4e2a\u9a8c\u8bc1\uff0c\u5982\u679c\u4e3a\u8d1f\u6570\uff0c\u5c31\u4fee\u6539\u4e3a0\n        remainBoold = remainBoold &lt; 0 ? 0 : remainBoold;\n        \/\/ \u4fee\u6539\u4e00\u4e0b\u6328\u63cd\u4eba\u7684\u8840\u91cf\n        role.setBlood(remainBoold);\n\n        \/\/ \u53d7\u4f24\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf &gt;90 0\u7d22\u5f15\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf 80~90 1\u7d22\u5f15\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf 70~80 2\u7d22\u5f15\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf 60~70 3\u7d22\u5f15\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf 40~60 4\u7d22\u5f15\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf 20~40 5\u7d22\u5f15\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf 10~20 6\u7d22\u5f15\u7684\u63cf\u8ff0\n        \/\/\u8840\u91cf \u5c0f\u4e8e10\u7684 7\u7d22\u5f15\u7684\u63cf\u8ff0\n        if (remainBoold &gt; 90) {\n            System.out.printf(injureds_desc[0], role.getName());\n        } else if (remainBoold &gt; 80) {\n            System.out.printf(injureds_desc[1], role.getName());\n        } else if (remainBoold &gt; 70) {\n            System.out.printf(injureds_desc[2], role.getName());\n        } else if (remainBoold &gt; 60) {\n            System.out.printf(injureds_desc[3], role.getName());\n        } else if (remainBoold &gt; 40) {\n            System.out.printf(injureds_desc[4], role.getName());\n        } else if (remainBoold &gt; 20) {\n            System.out.printf(injureds_desc[5], role.getName());\n        } else if (remainBoold &gt; 10) {\n            System.out.printf(injureds_desc[6], role.getName());\n        } else {\n            System.out.printf(injureds_desc[7], role.getName());\n        }\n        System.out.println();\n\n    }\n\n    public void showRoleInfo() {\n        System.out.println(\"\u59d3\u540d\u4e3a\uff1a\" + getName() + \" \");\n        System.out.println(\"\u8840\u91cf\u4e3a\uff1a\" + getBlood() + \" \");\n        System.out.println(\"\u6027\u522b\u4e3a\uff1a\" + getGender() + \" \");\n        System.out.println(\"\u957f\u76f8\u4e3a\uff1a\" + getFace() + \" \");\n    }\n\n}\n<\/code><\/pre>\n<h2 id=\"%E7%BB%83%E4%B9%A0%E4%B8%89%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E5%95%86%E5%93%81%EF%BC%89\" style=\"background-color:transparent;\">\n   \u7ec3\u4e60\u4e09\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09<br \/>\n  <\/h2>\n<p>\n   \u9700\u6c42\uff1a\n  <\/p>\n<p>\n   \u200b \u5b9a\u4e49\u6570\u7ec4\u5b58\u50a83\u4e2a\u5546\u54c1\u5bf9\u8c61\u3002\n  <\/p>\n<p>\n   \u200b \u5546\u54c1\u7684\u5c5e\u6027\uff1a\u5546\u54c1\u7684id\uff0c\u540d\u5b57\uff0c\u4ef7\u683c\uff0c\u5e93\u5b58\u3002\n  <\/p>\n<p>\n   \u200b \u521b\u5efa\u4e09\u4e2a\u5546\u54c1\u5bf9\u8c61\uff0c\u5e76\u628a\u5546\u54c1\u5bf9\u8c61\u5b58\u5165\u5230\u6570\u7ec4\u5f53\u4e2d\u3002\n  <\/p>\n<p>\n   \u4ee3\u7801\u793a\u4f8b\uff1a\n  <\/p>\n<p>\n   main\u65b9\u6cd5\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Text3;\n\npublic class GoodsText {\n    public static void main(String[] args) {\n        \/\/ 1.\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\n        Goods[] arr = new Goods[3];\n\n        \/\/ 2.\u521b\u5efa3\u4e2a\u5546\u54c1\u5bf9\u8c61\n        Goods g1 = new Goods(\"001\", \"\u624b\u673a\", 2999.0,100);\n\n        Goods g2 = new Goods(\"002\", \"\u7535\u8111\", 5999.0,50);\n\n        Goods g3 = new Goods(\"003\", \"\u9f20\u6807\", 99.0,10);\n\n        \/\/ 3.\u628a\u5546\u54c1\u5bf9\u8c61\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\n        arr[0] = g1;\n\n        arr[1] = g2;\n\n        arr[2] = g3;\n\n        \/\/ 4.\u904d\u5386\n        for (int i = 0; i &lt; arr.length; i++) {\n            \/\/ i \u7d22\u5f15 arr[i] \u5143\u7d20\n            Goods goods = arr[i];\n            System.out.println(goods.getId() + \"\\t\" + goods.getName() + \"\\t\" + goods.getPrice() + \"\\t\" + goods.getCount());\n        }\n    }\n}\n<\/code><\/pre>\n<p>\n   JavaBean\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Text3;\n\npublic class Goods {\n    private String id;\n    private String name;\n    private double price;\n    private int count;\n\n    public Goods(){}\n\n    public Goods(String id, String name, double price, int count) {\n        this.id = id;\n        this.name = name;\n        this.price = price;\n        this.count = count;\n    }\n\n\n    public String getId() {\n        return id;\n    }\n\n\n    public void setId(String id) {\n        this.id = id;\n    }\n\n\n    public String getName() {\n        return name;\n    }\n\n\n    public void setName(String name) {\n        this.name = name;\n    }\n\n\n    public double getPrice() {\n        return price;\n    }\n\n\n    public void setPrice(double price) {\n        this.price = price;\n    }\n\n\n    public int getCount() {\n        return count;\n    }\n\n\n    public void setCount(int count) {\n        this.count = count;\n    }\n\n    public String toString() {\n        return \"Goods{id = \" + id + \", name = \" + name + \", price = \" + price + \", count = \" + count + \"}\";\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%E6%89%A9%E5%B1%95%EF%BC%9A%E9%94%AE%E7%9B%98%E5%BD%95%E5%85%A5%C2%A0\">\n   \u6269\u5c55\uff1a\u952e\u76d8\u5f55\u5165<br \/>\n  <\/h2>\n<pre><code class=\"language-java\">package itheima.test01.Text4;\n\nimport java.util.Scanner;\n\npublic class Text {\n    public static void main(String[] args) {\n        \/\/ \u952e\u76d8\u5f55\u5165\uff1a\n        \/\/ \u7b2c\u4e00\u5957\u4f53\u7cfb\uff1a\n        \/\/ nextInt();\u63a5\u6536\u6574\u6570\n        \/\/ nextDouble();\u63a5\u6536\u5c0f\u6570\n        \/\/ next();\u63a5\u6536\u5b57\u7b26\u4e32\n        \/\/ \u9047\u5230\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u56de\u8f66\u5c31\u505c\u6b62\u63a5\u53d7\u3002\u8fd9\u4e9b\u7b26\u53f7\u540e\u9762\u7684\u6570\u636e\u5c31\u4e0d\u4f1a\u63a5\u53d7\u4e86\n\n        \/\/ \u7b2c\u4e8c\u5957\u4f53\u7cfb\uff1b\n        \/\/ nextLine();\u63a5\u6536\u5b57\u7b26\u4e32\n        \/\/ \u53ef\u4ee5\u63a5\u6536\u7a7a\u683c\u3001\u5236\u8868\u7b26\uff0c\u9047\u5230\u56de\u8f66\u624d\u505c\u6b62\u63a5\u6536\n\n\/\/        Scanner sc = new Scanner(System.in);\n\/\/        System.out.println(\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff1a\");\n\/\/        int num1 = sc.nextInt();\n\/\/        System.out.println(num1);\n\/\/        System.out.println(\"\u8bf7\u8f93\u5165\u4e8c\u4e2a\u6574\u6570\uff1a\");\n\/\/        int num2 = sc.nextInt();\n\/\/        System.out.println(num2);\n\n\n\/\/        Scanner sc = new Scanner(System.in);\n\/\/        System.out.println(\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a\");\n\/\/        String str1 = sc.next();\n\/\/        System.out.println(str1);\n\/\/        System.out.println(\"\u8bf7\u8f93\u5165\u4e8c\u4e2a\u5b57\u7b26\u4e32\uff1a\");\n\/\/        String str2 = sc.next();\n\/\/        System.out.println(str2);\n\n\n        Scanner sc = new Scanner(System.in);\n        System.out.println(\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a\");\n        String line1 = sc.nextLine();\n        System.out.println(line1);\n        System.out.println(\"\u8bf7\u8f93\u5165\u4e8c\u4e2a\u5b57\u7b26\u4e32\uff1a\");\n        String line2 = sc.nextLine();\n        System.out.println(line2);\n    }\n}\n<\/code><\/pre>\n<p style=\"background-color:transparent;\">\n   \u6df7\u7528\u5f15\u8d77\u7684\u540e\u679c\uff1a\n  <\/p>\n<p>\n   \u4e0a\u9762\u8bf4\u7684\u4e24\u5957\u952e\u76d8\u5f55\u5165\u4e0d\u80fd\u6df7\u7528\uff0c\u5982\u679c\u6df7\u7528\u4f1a\u6709\u4e25\u91cd\u7684\u540e\u679c\u3002\n  <\/p>\n<p>\n   \u4ee3\u7801\u793a\u4f8b\uff1a\n  <\/p>\n<pre><code class=\"language-java\">Scanner sc = new Scanner(System.in);\nint i = sc.nextInt();\nString s = sc.nextLine();\nSystem.out.println(i);\nSystem.out.println(s);<\/code><\/pre>\n<p>\n   \u5f53\u4ee3\u7801\u8fd0\u884c\u5230\u7b2c\u4e8c\u884c\uff0c\u4f1a\u8ba9\u6211\u4eec\u952e\u76d8\u5f55\u5165\uff0c\u6b64\u65f6\u5f55\u5165123\u3002\n  <\/p>\n<p>\n   \u4f46\u662f\u5b9e\u9645\u4e0a\u6211\u4eec\u5f55\u7684\u662f123+\u56de\u8f66\u3002\n  <\/p>\n<p>\n   \u800cnextInt\u662f\u9047\u5230\u7a7a\u683c\uff0c\u56de\u8f66\uff0c\u5236\u8868\u7b26\u90fd\u4f1a\u505c\u6b62\u3002\n  <\/p>\n<p>\n   \u6240\u4ee5nextInt\u53ea\u80fd\u63a5\u53d7123\uff0c\u56de\u8f66\u8fd8\u5728\u5185\u5b58\u4e2d\u6ca1\u6709\u88ab\u63a5\u6536\u3002\n  <\/p>\n<p>\n   \u6b64\u65f6\u5c31\u88abnextLine\u63a5\u6536\u4e86\u3002\n  <\/p>\n<p>\n   \u6240\u4ee5\uff0c\u5982\u679c\u6df7\u7528\u5c31\u4f1a\u5bfc\u81f4nextLine\u63a5\u6536\u4e0d\u5230\u6570\u636e\u3002\n  <\/p>\n<\/p>\n<p>\n   \u7ed3\u8bba\uff08\u5982\u4f55\u4f7f\u7528\uff09\n  <\/p>\n<p>\n   \u952e\u76d8\u5f55\u5165\u5206\u4e3a\u4e24\u5957\uff1a\n  <\/p>\n<ul>\n<li>\n<p>\n     next\uff08\uff09\u3001nextInt\uff08\uff09\u3001nextDouble\uff08\uff09\u8fd9\u4e09\u4e2a\u914d\u5957\u4f7f\u7528\u3002\n    <\/p>\n<\/li>\n<\/ul>\n<p>\n   \u5982\u679c\u7528\u4e86\u8fd9\u4e09\u4e2a\u5176\u4e2d\u4e00\u4e2a\uff0c\u5c31\u4e0d\u8981\u7528nextLine\uff08\uff09\u3002\n  <\/p>\n<ul>\n<li>\n<p>\n     nextLine\uff08\uff09\u5355\u72ec\u4f7f\u7528\u3002\n    <\/p>\n<\/li>\n<\/ul>\n<p>\n   \u5982\u679c\u60f3\u8981\u6574\u6570\uff0c\u90a3\u4e48\u5148\u63a5\u6536\uff0c\u518d\u4f7f\u7528Integer.parseInt\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002\n  <\/p>\n<p>\n   \u4ee3\u7801\u793a\u4f8b\uff1a\n  <\/p>\n<pre><code class=\"language-java\">Scanner sc = new Scanner(System.in);\nString s = sc.next();\/\/\u952e\u76d8\u5f55\u5165123\nSystem.out.println(\"\u6b64\u65f6\u4e3a\u5b57\u7b26\u4e32\" + s);\/\/\u6b64\u65f6123\u662f\u5b57\u7b26\u4e32\nint i = sc.nextInt();\/\/\u952e\u76d8\u5f55\u5165123\nSystem.out.println(\"\u6b64\u65f6\u4e3a\u6574\u6570\uff1a\" + i);<\/code><\/pre>\n<pre><code class=\"language-java\">Scanner sc = new Scanner(System.in);\nString s = sc.nextLine();\/\/\u952e\u76d8\u5f55\u5165123\nSystem.out.println(\"\u6b64\u65f6\u4e3a\u5b57\u7b26\u4e32\" + s);\/\/\u6b64\u65f6123\u662f\u5b57\u7b26\u4e32\nint i = Integer.parseInt(s);\/\/\u60f3\u8981\u6574\u6570\u518d\u8fdb\u884c\u8f6c\u6362\nSystem.out.println(\"\u6b64\u65f6\u4e3a\u6574\u6570\uff1a\" + i);<\/code><\/pre>\n<\/p>\n<h2 id=\"%E7%BB%83%E4%B9%A0%E5%9B%9B%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E6%B1%BD%E8%BD%A6%EF%BC%89\" style=\"background-color:transparent;\">\n   \u7ec3\u4e60\u56db\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66\uff09<br \/>\n  <\/h2>\n<p>\n   \u9700\u6c42\uff1a\n  <\/p>\n<p>\n   \u200b \u5b9a\u4e49\u6570\u7ec4\u5b58\u50a83\u90e8\u6c7d\u8f66\u5bf9\u8c61\u3002\n  <\/p>\n<p>\n   \u200b \u6c7d\u8f66\u7684\u5c5e\u6027\uff1a\u54c1\u724c\uff0c\u4ef7\u683c\uff0c\u989c\u8272\u3002\n  <\/p>\n<p>\n   \u200b \u521b\u5efa\u4e09\u4e2a\u6c7d\u8f66\u5bf9\u8c61\uff0c\u6570\u636e\u901a\u8fc7\u952e\u76d8\u5f55\u5165\u800c\u6765\uff0c\u5e76\u628a\u6570\u636e\u5b58\u5165\u5230\u6570\u7ec4\u5f53\u4e2d\u3002\n  <\/p>\n<p>\n   \u4ee3\u7801\u793a\u4f8b\uff1a\n  <\/p>\n<p>\n   main\u65b9\u6cd5\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Text4;\n\nimport java.util.Scanner;\n\npublic class CarText {\n    public static void main(String[] args) {\n        \/\/ 1.\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7528\u6765\u5b583\u4e2a\u6c7d\u8f66\u5bf9\u8c61\n        Car[] arr = new Car[3];\n\n        \/\/ 2.\u521b\u5efa\u6c7d\u8f66\u5bf9\u8c61\uff0c\u6570\u636e\u6765\u6e90\u4e8e\u952e\u76d8\u8f93\u5165\n        Scanner sc = new Scanner(System.in);\n\n        for (int i = 0; i &lt; arr.length; i++) {\n            \/\/ \u521b\u5efa\u6c7d\u8f66\u7684\u5bf9\u8c61\n            Car c = new Car();\n            System.out.println(\"\u8bf7\u8f93\u5165\u6c7d\u8f66\u7684\u54c1\u724c\");\n            String brand = sc.next();\n            c.setBrand(brand);\n            System.out.println(\"\u8bf7\u8f93\u5165\u6c7d\u8f66\u7684\u4ef7\u683c\");\n            int price = sc.nextInt();\n            c.setPrice(price);\n            System.out.println(\"\u8bf7\u8f93\u5165\u6c7d\u8f66\u7684\u989c\u8272\");\n            String color = sc.next();\n            c.setColor(color);\n\n            \/\/ \u628a\u6c7d\u8f66\u5bf9\u8c61\u5b58\u5230\u6570\u7ec4\u4e2d\n            arr[i] = c;\n        }\n\n        \/\/ 3.\u904d\u5386\u6570\u7ec4\uff0c\u8f93\u51fa\u6c7d\u8f66\u4fe1\u606f\n        for (int i = 0; i &lt; arr.length; i++) {\n            Car car = arr[i];\n            System.out.println(car.getBrand() + \",\" + car.getPrice() + \",\" + car.getColor());\n        }\n    }\n}\n<\/code><\/pre>\n<p>\n   javaBean:\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Text4;\n\npublic class Car {\n    private String brand;\/\/\u54c1\u724c\n    private int price;\/\/\u4ef7\u683c\n    private String color;\/\/\u989c\u8272\n\n    public Car() {}\n\n    public Car(String brand, int price, String color) {\n        this.brand = brand;\n        this.price = price;\n        this.color = color;\n    }\n    public String getBrand() {\n        return brand;\n    }\n\n    public void setBrand(String brand) {\n        this.brand = brand;\n    }\n\n    public int getPrice() {\n        return price;\n    }\n\n    public void setPrice(int price) {\n        this.price = price;\n    }\n\n    public String getColor() {\n        return color;\n    }\n\n    public void setColor(String color) {\n        this.color = color;\n    }\n\n\n}\n<\/code><\/pre>\n<\/p>\n<h2 id=\"%E7%BB%83%E4%B9%A0%E4%BA%94%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E6%89%8B%E6%9C%BA%EF%BC%89\" style=\"background-color:transparent;\">\n   \u7ec3\u4e60\u4e94\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u624b\u673a\uff09<br \/>\n  <\/h2>\n<p>\n   \u9700\u6c42 :\n  <\/p>\n<p>\n   \u200b \u5b9a\u4e49\u6570\u7ec4\u5b58\u50a83\u90e8\u624b\u673a\u5bf9\u8c61\u3002\n  <\/p>\n<p>\n   \u200b \u624b\u673a\u7684\u5c5e\u6027\uff1a\u54c1\u724c\uff0c\u4ef7\u683c\uff0c\u989c\u8272\u3002\n  <\/p>\n<p>\n   \u200b \u8981\u6c42\uff0c\u8ba1\u7b97\u51fa\u4e09\u90e8\u624b\u673a\u7684\u5e73\u5747\u4ef7\u683c\n  <\/p>\n<p>\n   main\u65b9\u6cd5\uff1a\n  <\/p>\n<pre><code class=\"language-java\">\npackage com.itheima.test6;\n\nimport java.math.BigDecimal;\n\npublic class PhoneTest {\n    public static void main(String[] args) {\n        \/\/1.\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\n        Phone[] arr = new Phone[3];\n\n        \/\/2.\u521b\u5efa\u624b\u673a\u7684\u5bf9\u8c61\n        Phone p1 = new Phone(\"\u5c0f\u7c73\",1999,\"\u767d\u8272\");\n        Phone p2 = new Phone(\"\u534e\u4e3a\",4999,\"\u84dd\u8272\");\n        Phone p3 = new Phone(\"\u9b45\u65cf\",3999,\"\u7ea2\u8272\");\n\n        \/\/3.\u628a\u624b\u673a\u5bf9\u8c61\u6dfb\u52a0\u5230\u6570\u7ec4\u5f53\u4e2d\n        arr[0] = p1;\n        arr[1] = p2;\n        arr[2] = p3;\n\n        \/\/4.\u83b7\u53d6\u4e09\u90e8\u624b\u673a\u7684\u5e73\u5747\u4ef7\u683c\n        int sum = 0;\n        for (int i = 0; i &lt; arr.length; i++) {\n            \/\/i \u7d22\u5f15  arr[i] \u5143\u7d20\uff08\u624b\u673a\u5bf9\u8c61\uff09\n            Phone phone = arr[i];\n            sum = sum + phone.getPrice();\n        }\n\n        \/\/5.\u6c42\u5e73\u5747\u503c\n        \/\/\u6570\u636e\u80fd\u4e0d\u5199\u6b7b\uff0c\u5c3d\u91cf\u4e0d\u5199\u6b7b\n        \/\/int avg = sum \/ arr.length;\n\n        double avg2 = sum * 1.0 \/ arr.length;\n\n        System.out.println(avg2);\/\/3665.6666666666665\n    }\n}<\/code><\/pre>\n<p>\n   javaBean:\n  <\/p>\n<pre><code class=\"language-java\">package com.itheima.test6;\n\npublic class Phone {\n    private String brand;\/\/\u54c1\u724c\n    private int price;\/\/\u4ef7\u683c\n    private String color;\/\/\u989c\u8272\n\n    public Phone() {\n    }\n\n    public Phone(String brand, int price, String color) {\n        this.brand = brand;\n        this.price = price;\n        this.color = color;\n    }\n\n    public String getBrand() {\n        return brand;\n    }\n\n    public void setBrand(String brand) {\n        this.brand = brand;\n    }\n\n    public int getPrice() {\n        return price;\n    }\n\n    public void setPrice(int price) {\n        this.price = price;\n    }\n\n    public String getColor() {\n        return color;\n    }\n\n    public void setColor(String color) {\n        this.color = color;\n    }\n}<\/code><\/pre>\n<h2>\n  <\/h2>\n<h2 id=\"%E7%BB%83%E4%B9%A0%E5%85%AD%EF%BC%9A%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%EF%BC%88%E5%A5%B3%E6%9C%8B%E5%8F%8B%EF%BC%89\" style=\"background-color:transparent;\">\n   \u7ec3\u4e60\u516d\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u5973\u670b\u53cb\uff09<br \/>\n  <\/h2>\n<p>\n   \u9700\u6c42\uff1a\n  <\/p>\n<p>\n   \u200b \u5b9a\u4e49\u6570\u7ec4\u5b58\u50a84\u4e2a\u5973\u670b\u53cb\u7684\u5bf9\u8c61\n  <\/p>\n<p>\n   \u200b \u5973\u670b\u53cb\u7684\u5c5e\u6027\uff1a\u59d3\u540d\u3001\u5e74\u9f84\u3001\u6027\u522b\u3001\u7231\u597d\n  <\/p>\n<p>\n   \u200b \u8981\u6c421\uff1a\u8ba1\u7b97\u51fa\u56db\u5973\u670b\u53cb\u7684\u5e73\u5747\u5e74\u9f84\n  <\/p>\n<p>\n   \u200b \u8981\u6c422\uff1a\u7edf\u8ba1\u5e74\u9f84\u6bd4\u5e73\u5747\u503c\u4f4e\u7684\u5973\u670b\u53cb\u6709\u51e0\u4e2a\uff1f\u5e76\u628a\u5979\u4eec\u7684\u6240\u6709\u4fe1\u606f\u6253\u5370\u51fa\u6765\u3002\n  <\/p>\n<p>\n   main\u65b9\u6cd5\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Test7;\n\npublic class GirlFriend {\n    private String name;\/\/\u6ee1\u8db3\n    private int age;\/\/\u5e74\u9f84\n    private String gender;\/\/\u6027\u522b\n    private String hobby;\/\/\u7231\u597d\n\n    public GirlFriend() {}\n\n    public GirlFriend(String name, int age, String gender, String hobby) {\n        this.name = name;\n        this.age = age;\n        this.gender = gender;\n        this.hobby = hobby;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public void setName(String name) {\n        this.name = name;\n    }\n\n    public int getAge() {\n        return age;\n    }\n\n    public void setAge(int age) {\n        this.age = age;\n    }\n\n    public String getGender() {\n        return gender;\n    }\n\n    public void setGender(String gender) {\n        this.gender = gender;\n    }\n\n    public String getHobby() {\n        return hobby;\n    }\n\n    public void setHobby(String hobby) {\n        this.hobby = hobby;\n    }\n}\n<\/code><\/pre>\n<p>\n   JavaBean\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Test7;\n\npublic class GirlFriendTest {\n    public static void main(String[] args) {\n        \/\/ 1.\u5b9a\u4e49\u6570\u503c\u5b58\u5165\u5973\u670b\u53cb\u7684\u5bf9\u8c61\n        GirlFriend[] arr = new GirlFriend[4];\n\n        \/\/ 2.\u521b\u5efa\u5973\u670b\u53cb\u7684\u5bf9\u8c61\n        GirlFriend gf1 = new GirlFriend(\"\u5c0f\u601d\u601d\", 18, \"\u840c\u59b9\u5b50\", \"\u5403\u9e21\u817f\");\n        GirlFriend gf2 = new GirlFriend(\"\u5c0f\u4e39\u4e39\", 19, \"\u5fa1\u59d0\", \"\u73a9\u6e38\u620f\");\n        GirlFriend gf3 = new GirlFriend(\"\u5c0f\u60e0\u60e0\", 20, \"\u840c\u59b9\u5b50\", \"\u901b\u8857\");\n        GirlFriend gf4 = new GirlFriend(\"\u5c0f\u8389\u8389\", 21, \"\u61a8\u59b9\u5b50\", \"\u7761\u89c9\");\n\n        \/\/ 3.\u5c06\u5973\u670b\u53cb\u7684\u5bf9\u8c61\u5b58\u5165\u6570\u7ec4\n        arr[0] = gf1;\n        arr[1] = gf2;\n        arr[2] = gf3;\n        arr[3] = gf4;\n\n        \/\/ 4.\u6c42\u548c\n        int sum = 0;\n        for (int i = 0; i &lt; arr.length; i++) {\n            \/\/ i \u7d22\u5f15 arr[i] \u5143\u7d20\uff08\u5973\u670b\u53cb\u5bf9\u8c61\uff09\n            GirlFriend gf = arr[i];\n            \/\/\u7d2f\u52a0\n            sum += gf.getAge();\n        }\n\n        \/\/ 5.\u5e73\u5747\u503c\n        int avg = sum \/ arr.length;\n\n        \/\/ 6.\u7edf\u8ba1\u5e74\u9f84\u6bd4\u5e73\u5747\u5e74\u9f84\u7b2c\u7684\u6709\u51e0\u4e2a\uff0c\u6253\u5370\u5979\u4eec\u7684\u4fe1\u606f\n        int count = 0;\n        for (int i = 0; i &lt; arr.length; i++) {\n            GirlFriend gf = arr[i];\n\n            if (gf.getAge() &lt; avg) {\n                count++;\n                System.out.println(gf.getName() + \" \" + gf.getAge() + \" \" + gf.getGender() + \" \" + gf.getHobby());\n            }\n        }\n\n        System.out.println(\"\u5e74\u9f84\u4f4e\u4e8e\u5e73\u5747\u5e74\u9f84\u7684\u4e2a\u6570\u662f\uff1a\" + count);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%E7%BB%83%E4%B9%A0%E4%B8%83%EF%BC%9A%E5%A4%8D%E6%9D%82%E7%9A%84%E5%AF%B9%E8%B1%A1%E6%95%B0%E7%BB%84%E6%93%8D%E4%BD%9C\">\n   \u7ec3\u4e60\u4e03\uff1a\u590d\u6742\u7684\u5bf9\u8c61\u6570\u7ec4\u64cd\u4f5c<br \/>\n  <\/h2>\n<p>\n   \u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a3\u7684\u6570\u7ec4\uff0c\u6570\u7ec4\u5b58\u50a81~3\u540d\u5b66\u751f\u5bf9\u8c61\u4f5c\u4e3a\u521d\u59cb\u6570\u636e\uff0c\u5b66\u751f\u5bf9\u8c61\u7684\u5b66\u53f7\uff0c\u59d3\u540d\u5404\u4e0d\u76f8\u540c\u3002\n  <\/p>\n<p>\n   \u5b66\u751f\u7684\u5c5e\u6027\uff1a\u5b66\u53f7\uff0c\u59d3\u540d\uff0c\u5e74\u9f84\u3002\n  <\/p>\n<p>\n   \u8981\u6c421\uff1a\u518d\u6b21\u6dfb\u52a0\u4e00\u4e2a\u5b66\u751f\u5bf9\u8c61\uff0c\u5e76\u5728\u6dfb\u52a0\u7684\u65f6\u5019\u8fdb\u884c\u5b66\u53f7\u7684\u552f\u4e00\u6027\u5224\u65ad\u3002\n  <\/p>\n<p>\n   \u8981\u6c422\uff1a\u6dfb\u52a0\u5b8c\u6bd5\u4e4b\u540e\uff0c\u904d\u5386\u6240\u6709\u5b66\u751f\u4fe1\u606f\u3002\n  <\/p>\n<p>\n   \u8981\u6c423\uff1a\u901a\u8fc7id\u5220\u9664\u5b66\u751f\u4fe1\u606f\n  <\/p>\n<p>\n   \u200b \u5982\u679c\u5b58\u5728\uff0c\u5219\u5220\u9664\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u63d0\u793a\u5220\u9664\u5931\u8d25\u3002\n  <\/p>\n<p>\n   \u8981\u6c424\uff1a\u5220\u9664\u5b8c\u6bd5\u4e4b\u540e\uff0c\u904d\u5386\u6240\u6709\u5b66\u751f\u4fe1\u606f\u3002\n  <\/p>\n<p>\n   \u8981\u6c425\uff1a\u67e5\u8be2\u6570\u7ec4id\u4e3a\u201c2\u201d\u7684\u5b66\u751f\uff0c\u5982\u679c\u5b58\u5728\uff0c\u5219\u5c06\u4ed6\u7684\u5e74\u9f84+1\u5c81\n  <\/p>\n<p>\n   main\u65b9\u6cd5\uff1a\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Test8;\n\npublic class Test {\n    public static void main(String[] args) {\n\n        \/\/1.\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7528\u6765\u5b58\u50a8\u5b66\u751f\u5bf9\u8c61\n        Student[] arr = new Student[3];\n\n        \/\/2.\u521b\u5efa\u5b66\u751f\u5bf9\u8c61\u5e76\u5b58\u5165\u6570\u7ec4\n        Student stu1 = new Student(1, \"\u5f20\u4e09\", 23);\n        Student stu2 = new Student(2, \"\u674e\u56db\", 24);\n        Student stu3 = new Student(3, \"\u738b\u4e94\", 25);\n\n        \/\/3.\u5c06\u5b66\u751f\u5bf9\u8c61\u5b58\u5165\u6570\u7ec4\n        arr[0] = stu1;\n        arr[1] = stu2;\n        arr[2] = stu3;\n\n        \/\/ \u8981\u6c421\uff1b\u518d\u6b21\u6dfb\u52a0\u4e00\u4e2a\u5b66\u751f\u5bf9\u8c61\uff0c\u5e76\u5728\u6dfb\u52a0\u7684\u65f6\u5019\u8fdb\u884c\u5b66\u53f7\u7684\u552f\u4e00\u6027\u5224\u65ad\u3002\n        Student stu4 = new Student(4, \"\u8d75\u516d\", 26);\n\n        \/\/\u552f\u4e00\u6027\u5224\u65ad\n        \/\/\u5df2\u5b58\u5728 --- \u4e0d\u7528\u6dfb\u52a0\n        \/\/\u4e0d\u5b58\u5728 --- \u5c31\u53ef\u4ee5\u628a\u5b66\u751f\u5bf9\u8c61\u6dfb\u52a0\u8fdb\u6570\u7ec4\n        boolean flag = contains(arr, stu4.getId());\n        if (flag){\n            \/\/ \u5df2\u5b58\u5728 --- \u4e0d\u7528\u6dfb\u52a0\n            System.out.println(\"\u5f53\u524did\u5df2\u5b58\u5728\uff0c\u8bf7\u4fee\u6539id\u540e\u5728\u8fdb\u884c\u6dfb\u52a0\");\n        }else {\n           \/\/\u4e0d\u5b58\u5728 --- \u5c31\u53ef\u4ee5\u628a\u5b66\u751f\u5bf9\u8c61\u6dfb\u52a0\u8fdb\u6570\u7ec4\n            \/\/ \u628astu4\u6dfb\u52a0\u5230\u6570\u7ec4\u4e2d\n            \/\/1.\u6570\u7ec4\u5df2\u7ecf\u5b58\u6ee1 --- \u53ea\u80fd\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u65b0\u6570\u7ec4\u7684\u957f\u5ea6 = \u8001\u6570\u7ec4 + 1\n            \/\/2.\u6570\u7ec4\u6ca1\u6709\u5b58\u6ee1 --- \u76f4\u63a5\u6dfb\u52a0\n            int count = getCount(arr);\n            if (count == arr.length) {\n                \/\/\u6570\u7ec4\u5df2\u7ecf\u5b58\u6ee1 --- \u53ea\u80fd\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u65b0\u6570\u7ec4\u7684\u957f\u5ea6 = \u8001\u6570\u7ec4 + 1 \u7136\u540e\u5c06\u8001\u6570\u7ec4\u7684\u5143\u7d20\u62f7\u8d1d\u5230\u65b0\u6570\u7ec4\n               Student [] newArr = creatNewArr(arr);\n               \/\/\u628astu4\u6dfb\u52a0\u8fdb\u53bb\n                newArr[count] = stu4;\n                \/\/\u8981\u6c422\uff1a\u6dfb\u52a0\u5b8c\u6bd5\u4e4b\u540e\uff0c\u904d\u5386\u6240\u6709\u5b66\u751f\u4fe1\u606f\u3002\n                printArr(newArr);\n            }else {\n                \/\/\u6570\u7ec4\u6ca1\u6709\u5b58\u6ee1 --- \u76f4\u63a5\u6dfb\u52a0\n                \/\/[stu1,stu2,null]\n                \/\/getCount\u83b7\u53d6\u5230\u7684\u662f2\uff0c\u8868\u793a\u6570\u5b57\u5f53\u524d\u5df2\u6709\u4e862\u4e2a\u5143\u7d20\n                \/\/\u8fd8\u6709\u4e00\u5c42\u610f\u601d\uff1a\u5982\u679c\u4e0b\u4e00\u6b21\u8981\u6dfb\u52a0\u65b0\u6570\u636e\uff0c\u5c31\u662f\u6dfb\u52a0\u52302\u7d22\u5f15\u7684\u4f4d\u7f6e\n                arr[count] = stu4;\n                \/\/\u8981\u6c422\uff1a\u6dfb\u52a0\u5b8c\u6bd5\u4e4b\u540e\uff0c\u904d\u5386\u6240\u6709\u5b66\u751f\u4fe1\u606f\u3002\n                printArr(arr);\n            }\n        }\n\n    }\n\n    public static void printArr(Student[] arr){\n        for (int i = 0; i &lt; arr.length; i++){\n            Student stu = arr[i];\n            if (stu != null){\n                System.out.println(stu.getId() + \",\" + stu.getName() + \",\" + stu.getAge());\n            }\n        }\n    }\n    public static Student[] creatNewArr(Student[] arr) {\n        Student[] newArr = new Student[arr.length + 1];\n        \/\/\u628a\u8001\u6570\u7ec4\u91cc\u9762\u7684\u5143\u7d20\uff0c\u590d\u5236\u5230\u65b0\u6570\u7ec4\u91cc\u9762\n        for (int i = 0; i &lt; arr.length; i++) {\n            newArr[i] = arr[i];\n        }\n        \/\/\u628a\u65b0\u6570\u7ec4\u8fd4\u56de\n        return newArr;\n    }\n\n    \/\/ \u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u5224\u65ad\u6570\u7ec4\u4e2d\u5df2\u7ecf\u5b58\u4e86\u51e0\u4e2a\u5143\u7d20\n    public static int getCount(Student[] arr) {\n        \/\/\u5b9a\u4e49\u4e00\u4e2a\u8ba1\u6570\u5668\u7528\u6765\u7edf\u8ba1\n        int count = 0;\n        for (int i = 0; i &lt; arr.length; i++) {\n            if (arr[i] != null) {\n                count++;\n            }\n        }\n        return count;\n    }\n\n\n    \/\/1.\u6211\u8981\u5e72\u4ec0\u4e48\uff1f \u552f\u4e00\u6027\u5224\u65ad\n    \/\/2.\u6211\u7ed9\u8fd9\u4ef6\u4e8b\uff0c\uff0c\u9700\u8981\u4e0a\u9762\u624d\u80fd\u5b8c\u6210\uff1f \u6570\u7ec4\u3001id\n    \/\/3.\u8c03\u7528\u5904\u662f\u5426\u9700\u8981\u7ee7\u7eed\u4f7f\u7528\u65b9\u6cd5\u7684\u7ed3\u679c\uff1f \u5fc5\u987b\u8fd4\u56de\n    public static boolean contains(Student[] arr, int id) {\n        \/\/ \u4f9d\u6b21\u83b7\u53d6\u6570\u7ec4\u91cc\u9762\u7684\u6bcf\u4e00\u4e2a\u5b66\u751f\u5bf9\u8c61\n        for (int i = 0; i &lt; arr.length; i++) {\n            \/\/\u4f9d\u6b21\u83b7\u53d6\u6570\u7ec4\u91cc\u9762\u7684\u6bcf\u4e00\u4e2a\u5b66\u751f\u5bf9\u8c61\n            Student stu = arr[i];\n           if (stu != null){\n               \/\/\u83b7\u53d6\u6570\u7ec4\u4e2d\u5b66\u751f\u5bf9\u8c61\u7684id\n               int sid = stu.getId();\n               \/\/\u6bd4\u8f83\n               if (sid == id) {\n                   \/\/\u5b58\u5728\n                   return true;\n               }\n           }\n        }\n        return false;\n    }\n}\n<\/code><\/pre>\n<pre><code class=\"language-java\">package itheima.test01.Test8;\n\npublic class Test2 {\n    public static void main(String[] args) {\n        \/\/1.\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7528\u6765\u5b58\u50a8\u5b66\u751f\u5bf9\u8c61\n        Student[] arr = new Student[3];\n\n        \/\/2.\u521b\u5efa\u5b66\u751f\u5bf9\u8c61\u5e76\u5b58\u5165\u6570\u7ec4\n        Student stu1 = new Student(1, \"\u5f20\u4e09\", 23);\n        Student stu2 = new Student(2, \"\u674e\u56db\", 24);\n        Student stu3 = new Student(3, \"\u738b\u4e94\", 25);\n\n        \/\/3.\u5c06\u5b66\u751f\u5bf9\u8c61\u5b58\u5165\u6570\u7ec4\n        arr[0] = stu1;\n        arr[1] = stu2;\n        arr[2] = stu3;\n\n        \/\/\u8981\u6c423\uff1a\u901a\u8fc7id\u5220\u9664\u5b66\u751f\u4fe1\u606f\n        \/\/\u5982\u679c\u5b58\u5728\uff0c\u5219\u5220\u9664\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u63d0\u793a\u5220\u9664\u5931\u8d25\u3002\n\n        \/\/\u8981\u627e\u5230id\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\n        int index = getIndex(arr,2);\n        if (index &gt;= 0){\n            \/\/\u5b58\u5728 \u5220\u9664\n            arr[index] = null;\n            \/\/\u6253\u5370\u6570\u7ec4\n            printArr(arr);\n\n        }else {\n            \/\/\u4e0d\u5b58\u5728\uff0c\u5219\u63d0\u793a\u5220\u9664\u5931\u8d25\n            System.out.println(\"\u5f53\u524did\u4e0d\u5b58\u5728,\u5220\u9664\u5931\u8d25\");\n        }\n    }\n\n    public static void printArr(Student[] arr){\n        for (int i = 0; i &lt; arr.length; i++){\n            Student stu = arr[i];\n            if (stu != null){\n                System.out.println(stu.getId() + \",\" + stu.getName() + \",\" + stu.getAge());\n            }\n        }\n    }\n\n    \/\/1.\u6211\u8981\u5e72\u561b\uff1f \u627e\u5230id\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\n    \/\/2.\u6211\u9700\u8981\u4ec0\u4e48\uff1f \u6570\u7ec4 id\n    \/\/3.\u8c03\u7528\u5904\u662f\u5426\u9700\u8981\u7ee7\u7eed\u4f7f\u7528\u65b9\u6cd5\u7684\u7ed3\u679c\uff1f \u8981\n    public static int getIndex(Student[] arr, int id){\n\n        for(int i = 0; i &lt; arr.length; i++){\n            \/\/ \u4f9d\u6b21\u5f97\u5230\u6bcf\u4e00\u4e2a\u5b66\u751f\u5bf9\u8c61\n            Student stu = arr[i];\n            \/\/ \u5bf9stu\u8fdb\u884c\u4e00\u4e2a\u975e\u7a7a\u5224\u65ad\n            if (stu!=null){\n                int sid = stu.getId();\n                if (sid == id){\n                    return i;\n                }\n            }\n        }\n        \/\/\u5f53\u5faa\u73af\u7ed3\u675f\uff0c\u8fd8\u6ca1\u627e\u5230\u8868\u793a\u4e0d\u5b58\u5728\n        return -1;\n    }\n}\n<\/code><\/pre>\n<pre><code class=\"language-java\">package itheima.test01.Test8;\n\npublic class Test3 {\n    public static void main(String[] args) {\n        \/\/1.\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7528\u6765\u5b58\u50a8\u5b66\u751f\u5bf9\u8c61\n        Student[] arr = new Student[3];\n\n        \/\/2.\u521b\u5efa\u5b66\u751f\u5bf9\u8c61\u5e76\u5b58\u5165\u6570\u7ec4\n        Student stu1 = new Student(1, \"\u5f20\u4e09\", 23);\n        Student stu2 = new Student(2, \"\u674e\u56db\", 24);\n        Student stu3 = new Student(3, \"\u738b\u4e94\", 25);\n\n        \/\/3.\u5c06\u5b66\u751f\u5bf9\u8c61\u5b58\u5165\u6570\u7ec4\n        arr[0] = stu1;\n        arr[1] = stu2;\n        arr[2] = stu3;\n\n       \/\/ \u8981\u6c425\uff1a\u67e5\u8be2\u6570\u7ec4id\u4e3a\u201c2\u201d\u7684\u5b66\u751f\uff0c\u5982\u679c\u5b58\u5728\uff0c\u5219\u5c06\u4ed6\u7684\u5e74\u9f84+1\u5c81\n        \/\/\u8981\u627e\u5230id\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\n        int index = getIndex(arr,2);\n        if (index &gt;= 0){\n            \/\/\u5b58\u5728 age + 1\n           \/\/ arr[index].setAge(arr[index].getAge() + 1);\n            Student stu = arr[index];\n            int newAge = stu.getAge() + 1;\n            stu.setAge(newAge);\n            \/\/\u6253\u5370\u6570\u7ec4\n            printArr(arr);\n\n        }else {\n            \/\/\u4e0d\u5b58\u5728\uff0c\u5219\u63d0\u793a\u4fee\u6539\u5931\u8d25\n            System.out.println(\"\u5f53\u524did\u4e0d\u5b58\u5728,\u4fee\u6539\u5931\u8d25\u5931\u8d25\");\n        }\n    }\n\n\n\n    public static void printArr(Student[] arr){\n        for (int i = 0; i &lt; arr.length; i++){\n            Student stu = arr[i];\n            if (stu != null){\n                System.out.println(stu.getId() + \",\" + stu.getName() + \",\" + stu.getAge());\n            }\n        }\n    }\n\n    \/\/1.\u6211\u8981\u5e72\u561b\uff1f \u627e\u5230id\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\n    \/\/2.\u6211\u9700\u8981\u4ec0\u4e48\uff1f \u6570\u7ec4 id\n    \/\/3.\u8c03\u7528\u5904\u662f\u5426\u9700\u8981\u7ee7\u7eed\u4f7f\u7528\u65b9\u6cd5\u7684\u7ed3\u679c\uff1f \u8981\n    public static int getIndex(Student[] arr, int id){\n\n        for(int i = 0; i &lt; arr.length; i++){\n            \/\/ \u4f9d\u6b21\u5f97\u5230\u6bcf\u4e00\u4e2a\u5b66\u751f\u5bf9\u8c61\n            Student stu = arr[i];\n            \/\/ \u5bf9stu\u8fdb\u884c\u4e00\u4e2a\u975e\u7a7a\u5224\u65ad\n            if (stu!=null){\n                int sid = stu.getId();\n                if (sid == id){\n                    return i;\n                }\n            }\n        }\n        \/\/\u5f53\u5faa\u73af\u7ed3\u675f\uff0c\u8fd8\u6ca1\u627e\u5230\u8868\u793a\u4e0d\u5b58\u5728\n        return -1;\n    }\n}\n<\/code><\/pre>\n<\/p>\n<p>\n   javaBean:\n  <\/p>\n<pre><code class=\"language-java\">package itheima.test01.Test8;\n\npublic class Student {\n    private int id;\n    private String name;\n    private int age;\n\n    public Student() {\n    }\n\n    public Student(int id, String name, int age) {\n        this.id = id;\n        this.name = name;\n        this.age = age;\n    }\n\n    public int getId() {\n        return id;\n    }\n\n    public void setId(int id) {\n        this.id = id;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public void setName(String name) {\n        this.name = name;\n    }\n\n    public int getAge() {\n        return age;\n    }\n\n    public void setAge(int age) {\n        this.age = age;\n    }\n}\n<\/code><\/pre>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55 \u7ec3\u4e60\u4e00\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f \u7ec3\u4e60\u4e8c\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636 \u7ec3\u4e60\u4e09\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09 \u6269\u5c55\uff1a\u952e\u76d8\u5f55\u5165 \u7ec3\u4e60\u56db\uff1a\u5bf9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-32"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66... - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66... - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51\" \/>\n<meta property=\"og:description\" content=\"\u76ee\u5f55 \u7ec3\u4e60\u4e00\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f \u7ec3\u4e60\u4e8c\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636 \u7ec3\u4e60\u4e09\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09 \u6269\u5c55\uff1a\u952e\u76d8\u5f55\u5165 \u7ec3\u4e60\u56db\uff1a\u5bf9 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\/\" \/>\n<meta property=\"og:site_name\" content=\"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-03T10:00:12+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"260\" \/>\n\t<meta property=\"og:image:height\" content=\"180\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin@wunen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin@wunen\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#article\",\"isPartOf\":{\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/\"},\"author\":{\"name\":\"admin@wunen\",\"@id\":\"https:\/\/www.wunen.com\/#\/schema\/person\/d5f7a6cf545656a9c90d507e64452db8\"},\"headline\":\"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66&#8230;\",\"datePublished\":\"2025-04-03T10:00:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/\"},\"wordCount\":43,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.wunen.com\/#organization\"},\"image\":{\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg\",\"articleSection\":[\"\u5bf9\u6218\u683c\u6597\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/\",\"url\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/\",\"name\":\"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66... - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51\",\"isPartOf\":{\"@id\":\"https:\/\/www.wunen.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage\"},\"image\":{\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg\",\"datePublished\":\"2025-04-03T10:00:12+00:00\",\"breadcrumb\":{\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage\",\"url\":\"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg\",\"contentUrl\":\"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg\",\"width\":260,\"height\":180},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wunen.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66&#8230;\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wunen.com\/#website\",\"url\":\"https:\/\/www.wunen.com\/\",\"name\":\"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51\",\"description\":\"\u8f6f\u4ef6\u8d44\u8baf\u6765\u7269\u5ae9\",\"publisher\":{\"@id\":\"https:\/\/www.wunen.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wunen.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.wunen.com\/#organization\",\"name\":\"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51\",\"url\":\"https:\/\/www.wunen.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wunen.com\/#\/schema\/logo\/image\/\",\"url\":\"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/cropped-\u7269\u5ae9-1.png\",\"contentUrl\":\"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/cropped-\u7269\u5ae9-1.png\",\"width\":1024,\"height\":1024,\"caption\":\"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51\"},\"image\":{\"@id\":\"https:\/\/www.wunen.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wunen.com\/#\/schema\/person\/d5f7a6cf545656a9c90d507e64452db8\",\"name\":\"admin@wunen\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wunen.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d90ec1e3faf77c4d4e66e40c29b85ff6401161e0502f401dae2f0e25b38ce25e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d90ec1e3faf77c4d4e66e40c29b85ff6401161e0502f401dae2f0e25b38ce25e?s=96&d=mm&r=g\",\"caption\":\"admin@wunen\"},\"sameAs\":[\"http:\/\/www.wunen.com\"],\"url\":\"http:\/\/www.wunen.com\/index.php\/author\/adminwunen\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66... - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\/","og_locale":"zh_CN","og_type":"article","og_title":"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66... - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51","og_description":"\u76ee\u5f55 \u7ec3\u4e60\u4e00\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f \u7ec3\u4e60\u4e8c\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636 \u7ec3\u4e60\u4e09\uff1a\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09 \u6269\u5c55\uff1a\u952e\u76d8\u5f55\u5165 \u7ec3\u4e60\u56db\uff1a\u5bf9 [&hellip;]","og_url":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\/","og_site_name":"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51","article_published_time":"2025-04-03T10:00:12+00:00","og_image":[{"width":260,"height":180,"url":"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg","type":"image\/jpeg"}],"author":"admin@wunen","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin@wunen","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"10 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#article","isPartOf":{"@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/"},"author":{"name":"admin@wunen","@id":"https:\/\/www.wunen.com\/#\/schema\/person\/d5f7a6cf545656a9c90d507e64452db8"},"headline":"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66&#8230;","datePublished":"2025-04-03T10:00:12+00:00","mainEntityOfPage":{"@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/"},"wordCount":43,"commentCount":0,"publisher":{"@id":"https:\/\/www.wunen.com\/#organization"},"image":{"@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage"},"thumbnailUrl":"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg","articleSection":["\u5bf9\u6218\u683c\u6597"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#respond"]}]},{"@type":"WebPage","@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/","url":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/","name":"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66... - \u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51","isPartOf":{"@id":"https:\/\/www.wunen.com\/#website"},"primaryImageOfPage":{"@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage"},"image":{"@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage"},"thumbnailUrl":"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg","datePublished":"2025-04-03T10:00:12+00:00","breadcrumb":{"@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#primaryimage","url":"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg","contentUrl":"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/\u8d44\u8baf.jpg","width":260,"height":180},{"@type":"BreadcrumbList","@id":"http:\/\/www.wunen.com\/index.php\/2025\/04\/03\/java%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e5%9b%9b%ef%bc%89%ef%bc%9a%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f%e3%80%81%e6%96%87%e5%ad%97%e7%89%88%e6%a0%bc%e6%96%97\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wunen.com\/"},{"@type":"ListItem","position":2,"name":"java\u5b66\u4e60\u7b14\u8bb0\uff08\u56db\uff09\uff1a\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u3001\u6587\u5b57\u7248\u683c\u6597\u6e38\u620f\u8fdb\u9636\u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u5546\u54c1\uff09\u3001\u952e\u76d8\u5f55\u5165 \u3001\u5bf9\u8c61\u6570\u7ec4\uff08\u6c7d\u8f66&#8230;"}]},{"@type":"WebSite","@id":"https:\/\/www.wunen.com\/#website","url":"https:\/\/www.wunen.com\/","name":"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51","description":"\u8f6f\u4ef6\u8d44\u8baf\u6765\u7269\u5ae9","publisher":{"@id":"https:\/\/www.wunen.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wunen.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/www.wunen.com\/#organization","name":"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51","url":"https:\/\/www.wunen.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wunen.com\/#\/schema\/logo\/image\/","url":"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/cropped-\u7269\u5ae9-1.png","contentUrl":"http:\/\/www.wunen.com\/wp-content\/uploads\/2025\/03\/cropped-\u7269\u5ae9-1.png","width":1024,"height":1024,"caption":"\u7269\u5ae9\u8f6f\u4ef6\u8d44\u8baf\u7f51"},"image":{"@id":"https:\/\/www.wunen.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.wunen.com\/#\/schema\/person\/d5f7a6cf545656a9c90d507e64452db8","name":"admin@wunen","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wunen.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d90ec1e3faf77c4d4e66e40c29b85ff6401161e0502f401dae2f0e25b38ce25e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d90ec1e3faf77c4d4e66e40c29b85ff6401161e0502f401dae2f0e25b38ce25e?s=96&d=mm&r=g","caption":"admin@wunen"},"sameAs":["http:\/\/www.wunen.com"],"url":"http:\/\/www.wunen.com\/index.php\/author\/adminwunen\/"}]}},"_links":{"self":[{"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/posts\/483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/comments?post=483"}],"version-history":[{"count":0,"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/posts\/483\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/media\/215"}],"wp:attachment":[{"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/media?parent=483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/categories?post=483"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.wunen.com\/index.php\/wp-json\/wp\/v2\/tags?post=483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}