{"id":13095,"date":"2023-10-31T09:24:12","date_gmt":"2023-10-31T01:24:12","guid":{"rendered":"https:\/\/92it.top\/?p=13095"},"modified":"2023-10-31T09:24:12","modified_gmt":"2023-10-31T01:24:12","slug":"java%e5%9f%ba%e7%a1%80-final%e5%85%b3%e9%94%ae%e5%ad%97%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=13095","title":{"rendered":"Java\u57fa\u7840 final\u5173\u952e\u5b57\u7528\u6cd5"},"content":{"rendered":"\n<p>\u8f6c\u8f7d\uff1a<a href=\"https:\/\/blog.csdn.net\/u012514113\/article\/details\/129217902\">https:\/\/blog.csdn.net\/u012514113\/article\/details\/129217902<\/a><\/p>\n\n\n\n<p><strong>\u4e00. \u6982\u8ff0<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>final\u5173\u952e\u5b57\u4ee3\u8868\u6700\u7ec8,\u4e0d\u53ef\u6539\u53d8\u7684.<\/p>\n\n\n\n<p>\u5e38\u89c1\u67095\u79cd\u7528\u6cd5,\u6211\u4eec\u6765\u5f52\u7eb3\u603b\u7ed3\u4e00\u4e0b:<\/p>\n\n\n\n<ul><li>1. \u7528\u6765\u4fee\u9970\u4e00\u4e2a\u7c7b<\/li><li>2. \u7528\u6765\u4fee\u9970\u4e00\u4e2a\u65b9\u6cd5<\/li><li>3. \u7528\u6765\u4fee\u9970\u6210\u5458\u53d8\u91cf<\/li><li>4. \u7528\u6765\u4fee\u9970\u5c40\u90e8\u53d8\u91cf<\/li><li>5. \u7528\u6765\u4fee\u9970\u65b9\u6cd5\u53c2\u6570<\/li><\/ul>\n\n\n\n<p><strong>\u4e8c. final\u9970\u4fee\u7c7b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5982\u679c\u58f0\u660e\u4e00\u4e2a\u7c7b\u4e3afinal\u7c7b,\u00a0 \u90a3\u4e48\u8fd9\u4e2a\u7c7b\u5c31\u662f\u6700\u7ec8\u7c7b,\u4e0d\u80fd\u88ab\u7ee7\u627f<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public final class ParentClass {\n    public void happy() {\n        System.out.println(\"\u9ad8\u5174\");\n    }\n}<\/pre>\n\n\n\n<p>\u5f53\u5199\u4e00\u4e2a\u7c7b\u53bb\u7ee7\u627f\u5b83\u7684\u65f6\u5019<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    public class ChildClass extends ParentClass{\n     \n    }<\/pre>\n\n\n\n<p>\u5c31\u4f1a\u63d0\u793a\u5982\u4e0b\u9519\u8bef:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-1024x179.png\" alt=\"\" class=\"wp-image-13096\" width=\"575\" height=\"100\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-1024x179.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-300x52.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-768x134.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-830x145.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-230x40.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-350x61.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33-480x84.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-33.png 1124w\" sizes=\"(max-width: 575px) 100vw, 575px\" \/><\/figure><\/div>\n\n\n\n<p>\u00a0\u00a0\u6ce8\u610f\uff1a\u4e00\u4e2a\u7c7b\u5982\u679c\u662ffinal\u7684\uff0c\u90a3\u4e48\u5176\u4e2d\u6240\u6709\u7684\u6210\u5458\u65b9\u6cd5\u90fd\u65e0\u6cd5\u8fdb\u884c\u8986\u76d6\u91cd\u5199.<\/p>\n\n\n\n<p><strong>\u4e09. final\u4fee\u9970\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5f53final\u7528\u6765\u4fee\u9970\u4e00\u4e2a\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u662f\u6700\u7ec8\u65b9\u6cd5\uff0c\u90a3\u4e48\u5f88\u660e\u663e\u5c31\u662f\u8bf4\u4e0d\u80fd\u88ab\u8986\u76d6\u91cd\u5199\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class ParentClass {\n \n    public void happy() {\n        System.out.println(\"\u9ad8\u5174\");\n    }\n    \n    \/\/\u7528final\u5173\u952e\u5b57\u4fee\u9970\u7684\u65b9\u6cd5\n    protected final void play(){\n        System.out.println(\"\u5f00\u5fc3\u7684\u73a9\u800d\");\n    }\n \n}<\/pre>\n\n\n\n<p>\u6211\u4eec\u5728\u7ee7\u627f\u7c7b\u4e2d\u53bb\u770b\u4e0b play()\u65b9\u6cd5\u662f\u5426\u53ef\u4ee5\u88aboverride<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-1024x373.png\" alt=\"\" class=\"wp-image-13097\" width=\"471\" height=\"171\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-1024x373.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-300x109.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-768x280.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-830x302.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-230x84.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-350x127.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34-480x175.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-34.png 1220w\" sizes=\"(max-width: 471px) 100vw, 471px\" \/><\/figure><\/div>\n\n\n\n<p>\u00a0\u4e5f\u662f\u62a5\u9519,\u8bf4\u660e final\u4fee\u9970\u7684\u65b9\u6cd5,\u662f\u4e00\u4e2a\u6700\u7ec8\u65b9\u6cd5,\u4e0d\u80fd\u88ab\u5b50\u7c7b\u53bb\u8986\u76d6\u91cd\u5199.<\/p>\n\n\n\n<p><strong>\u56db. final\u4fee\u9970\u6210\u5458\u53d8\u91cf<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728java\u4e2d,\u6210\u5458\u53d8\u91cf\u4e00\u822c\u90fd\u6709\u9ed8\u8ba4\u503c, \u6bd4\u5982 int \u578b\u53d8\u91cf,\u9ed8\u8ba4\u503c\u4e3a0&nbsp; &nbsp; &nbsp;boolean\u578b\u53d8\u91cf\u9ed8\u8ba4\u503c\u4e3afalse<\/p>\n\n\n\n<p>String\u578b\u53d8\u91cf,\u9ed8\u8ba4\u503c\u4e3anull<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35.png\" alt=\"\" class=\"wp-image-13098\" width=\"433\" height=\"258\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35.png 990w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35-300x179.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35-768x459.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35-830x496.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35-230x138.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35-350x209.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-35-480x287.png 480w\" sizes=\"(max-width: 433px) 100vw, 433px\" \/><\/figure><\/div>\n\n\n\n<p>\u6211\u4eec\u6765\u770b\u4e0a\u9762\u7684\u4f8b\u5b50, 3\u4e2a\u540c\u6837\u7c7b\u578b\u7684 int\u578b \u6210\u5458\u53d8\u91cf, number temp \u9ed8\u8ba4\u503c\u90fd\u662f0 , \u5199\u548c\u6ca1\u5199\u90fd\u6ca1\u6709\u62a5\u9519. \u4f46\u662f\u52a0\u4e0afinal\u4e4b\u540e\u7684num\u53d8\u91cf,\u6ca1\u6709\u521d\u59cb\u5316\u5c31\u62a5\u9519.<\/p>\n\n\n\n<p>\u603b\u7ed3\u4e00: \u7531\u4e8e\u6210\u5458\u53d8\u91cf\u5177\u6709\u9ed8\u8ba4\u503c\uff0c\u4f46\u662f\u7528\u4e86final\u5173\u952e\u5b57\u4fee\u9970\u4e4b\u540e\u5fc5\u987b\u8981\u624b\u52a8\u8d4b\u503c\u521d\u59cb\u5316\u503c.<\/p>\n\n\n\n<p>\u6211\u4eec\u518d\u770b\u4e00\u4e2a\u4f8b\u5b50<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36.png\" alt=\"\" class=\"wp-image-13099\" width=\"432\" height=\"378\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36.png 960w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36-300x263.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36-768x674.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36-830x728.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36-230x202.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36-350x307.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-36-480x421.png 480w\" sizes=\"(max-width: 432px) 100vw, 432px\" \/><\/figure><\/div>\n\n\n\n<p>\u603b\u7ed3\u4e8c:\u00a0<strong>\u5bf9\u4e8e\u6210\u5458\u53d8\u91cf\u6765\u8bf4\uff0c\u5982\u679c\u4f7f\u7528final\u5173\u952e\u5b57\u4fee\u9970\uff0c\u90a3\u4e48\u8fd9\u4e2a\u53d8\u91cf\u4e5f\u7167\u6837\u662f\u4e0d\u53ef\u88ab\u6539\u53d8<\/strong>\u3002<\/p>\n\n\n\n<p><strong>\u4e94. final\u4fee\u9970\u5c40\u90e8\u53d8\u91cf<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6765\u8bf4\uff0c\u4e0d\u53ef\u53d8\u8bf4\u7684\u662f\u53d8\u91cf\u5f53\u4e2d\u7684\u6570\u636e\u4e0d\u53ef\u6539\u53d8;<\/p>\n\n\n\n<p>\u8bf7\u770b\u5982\u4e0b\u4f8b\u5b50:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37.png\" alt=\"\" class=\"wp-image-13100\" width=\"476\" height=\"378\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37.png 856w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37-300x238.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37-768x610.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37-830x659.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37-230x183.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37-350x278.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-37-480x381.png 480w\" sizes=\"(max-width: 476px) 100vw, 476px\" \/><\/figure><\/div>\n\n\n\n<p>\u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\u6765\u8bf4\uff0c\u4e0d\u53ef\u53d8\u6307\u7684\u662f\u53d8\u91cf\u5f53\u4e2d\u7684\u5730\u5740\u503c\u4e0d\u53ef\u6539\u53d8<\/p>\n\n\n\n<p>\u6211\u4eec\u518d\u6765\u770b\u4e0b\u4e2a\u4f8b\u5b50,<\/p>\n\n\n\n<p>Student\u4e3a\u4e00\u4e2a\u666e\u901a\u7684javabean\u7c7b<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> \n    private String name;\n \n    public Student() {\n    }\n \n    public Student(String name) {\n        this.name = name;\n    }\n \n    public String getName() {\n        return name;\n    }\n \n    public void setName(String name) {\n        this.name = name;\n    }\n}\n<\/pre>\n\n\n\n<p>\u7b2c\u4e00\u79cd\u60c5\u51b5,\u6ca1\u6709final\u4fee\u9970\u7684\u6d4b\u8bd5\u7c7b<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class FinalVarTest {\n \n    public static void main(String[] args) {\n        Student student1 = new Student(\"\u52d2\u5e03\u6717.\u8a79\u59c6\u65af\");\n        System.out.println(student1); \/\/\u6253\u5370\u5185\u5b58\u5730\u5740\n        System.out.println(student1.getName());\n \n        student1 = new Student(\"\u65af\u8482\u82ac.\u5e93\u91cc\");\n        System.out.println(student1); \/\/\u6253\u5370\u5185\u5b58\u5730\u5740\n        System.out.println(student1.getName());\n    }\n}\n<\/pre>\n\n\n\n<p>\u6253\u5370\u7ed3\u679c\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> \ncom.finaltest.Student@4aa298b7   \/\/\u5185\u5b58\u5730\u5740\n\u52d2\u5e03\u6717.\u8a79\u59c6\u65af\n \n \ncom.finaltest.Student@7d4991ad  \/\/\u5185\u5b58\u5730\u5740\n\u65af\u8482\u82ac.\u5e93\u91cc<\/pre>\n\n\n\n<p>\u8f93\u51fa\u7ed3\u679c:<strong>\u5185\u5b58\u5730\u5740\u4e0d\u540c<\/strong><\/p>\n\n\n\n<p>\u7b2c\u4e8c\u79cd\u60c5\u51b5: \u4f7f\u7528final\u4fee\u9970\u6d4b\u8bd5\u7c7b<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38.png\" alt=\"\" class=\"wp-image-13101\" width=\"495\" height=\"213\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38.png 876w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38-300x129.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38-768x331.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38-830x358.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38-230x99.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38-350x151.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-38-480x207.png 480w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><\/figure><\/div>\n\n\n\n<p>&nbsp;\u82e5\u7528final\u4fee\u9970\uff0c<strong>\u5730\u5740\u503c\u4e0d\u53ef\u4ee5\u88ab\u6539\u53d8<\/strong>\uff0c\u5426\u5219\u76f4\u63a5\u62a5\u9519.<\/p>\n\n\n\n<p>\u5730\u5740\u503c\u867d\u7136\u4e0d\u80fd\u53d8\uff0c\u4f46\u662f\u5185\u5bb9\u53ef\u4ee5\u53d8\uff08\u5730\u5740\u6240\u6307\u5411\u7684\u5bf9\u8c61\u7684\u5c5e\u6027\u53ef\u4ee5\u88ab\u8be5\u53d8\uff09\u3002<\/p>\n\n\n\n<p>\u8bf7\u770b\u5982\u4e0b\u4f8b\u5b50:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class FinalVarTest {\n \n    public static void main(String[] args) {\n        \/\/\u4f7f\u7528final\u4fee\u9970\u7684\u5bf9\u8c61\n        final Student student2 = new Student(\"\u8a79\u59c6\u65af.\u54c8\u767b\");\n        System.out.println(student2); \/\/\u6253\u5370\u5185\u5b58\u5730\u5740\n        System.out.println(student2.getName());\n \n        student2.setName(\"\u5b89\u4e1c\u5c3c.\u6234\u7ef4\u65af\");\n        System.out.println(student2); \/\/\u6253\u5370\u5185\u5b58\u5730\u5740\n        System.out.println(student2.getName());\n    }\n}\n<\/pre>\n\n\n\n<p>\u6253\u5370\u7ed3\u679c\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">com.finaltest.Student@4aa298b7\n\u8a79\u59c6\u65af.\u54c8\u767b\n \ncom.finaltest.Student@4aa298b7\n\u5b89\u4e1c\u5c3c.\u6234\u7ef4\u65af<\/pre>\n\n\n\n<p>\u4e24\u8005\u7684\u5185\u5b58\u5730\u5740\u662f\u76f8\u540c\u7684,\u4f46\u662f\u540d\u5b57(\u5c5e\u6027)\u662f\u53ef\u4ee5\u4fee\u6539\u7684.<\/p>\n\n\n\n<p><strong>\u516d. final\u4fee\u9970\u53c2\u6570<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u65b9\u6cd5\u53c2\u6570\u524d\u9762\u52a0final\u5173\u952e\u5b57\u5c31\u662f\u4e3a\u4e86\u9632\u6b62\u6570\u636e\u5728\u65b9\u6cd5\u4f53\u4e2d\u88ab\u4fee\u6539\u3002<\/p>\n\n\n\n<p>\u4e3b\u8981\u5206\u4e24\u79cd\u60c5\u51b5\uff1a\u7b2c\u4e00\uff0c\u7528final\u4fee\u9970\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff1b\u7b2c\u4e8c\uff0c\u7528final\u4fee\u9970\u5f15\u7528\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u79cd\u60c5\u51b5\uff0c\u4fee\u9970\u57fa\u672c\u7c7b\u578b\uff08\u975e\u5f15\u7528\u7c7b\u578b\uff09\u3002\u8fd9\u65f6\u53c2\u6570\u7684\u503c\u5728\u65b9\u6cd5\u4f53\u5185\u662f\u4e0d\u80fd\u88ab\u4fee\u6539\u7684\uff0c\u5373\u4e0d\u80fd\u88ab\u91cd\u65b0\u8d4b\u503c\u3002\u5426\u5219\u7f16\u8bd1\u5c31\u901a\u4e0d\u8fc7\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39.png\" alt=\"\" class=\"wp-image-13102\" width=\"450\" height=\"258\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39.png 964w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39-300x172.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39-768x441.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39-830x477.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39-230x132.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39-350x201.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-39-480x276.png 480w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/figure><\/div>\n\n\n\n<p>\u7b2c\u4e8c\u79cd\u60c5\u51b5\uff0c\u4fee\u9970\u5f15\u7528\u7c7b\u578b\u3002\u8fd9\u65f6\u53c2\u6570\u53d8\u91cf\u6240\u5f15\u7528\u7684\u5bf9\u8c61\u662f\u4e0d\u80fd\u88ab\u6539\u53d8\u7684\u3002\u4f5c\u4e3a\u5f15\u7528\u7684\u62f7\u8d1d\uff0c\u53c2\u6570\u5728\u65b9\u6cd5\u4f53\u91cc\u9762\u4e0d\u80fd\u518d\u5f15\u7528\u65b0\u7684\u5bf9\u8c61\u3002\u5426\u5219\u7f16\u8bd1\u901a\u4e0d\u8fc7\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-40.png\" alt=\"\" class=\"wp-image-13103\" width=\"467\" height=\"261\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-40.png 756w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-40-300x167.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-40-230x128.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-40-350x195.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/10\/\u56fe\u7247-40-480x268.png 480w\" sizes=\"(max-width: 467px) 100vw, 467px\" \/><\/figure><\/div>\n\n\n\n<p>\u4f46\u662f\u5bf9\u4e8e\u5f15\u7528\uff0c\u5982\u679c\u6211\u662f\u8fd9\u6837(\u4e5f\u5c31\u662f\u5f15\u7528\u5bf9\u8c61\u7684\u5730\u5740\u4e0d\u80fd\u6539\u53d8,\u4f46\u662f\u5bf9\u8c61\u4e2d\u7684\u5185\u5bb9\u662f\u53ef\u4ee5\u6539\u53d8\u7684)\uff0c\u5219\u4e0d\u4f1a\u62a5\u4efb\u4f55\u9519\uff0c\u5b8c\u5168\u80fd\u7f16\u8bd1\u901a\u8fc7\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class FinalVarTest {\n \n    public static void main(String[] args) {\n        String[] var = {\"\u5f20\u4e09\",\"\u674e\u56db\", \"\u738b\u4e94\"};\n        valid(var);\n    }\n \n    public static void valid(final String[] ag){\n       ag[2]= \"\u8d75\u516d\";\n       for(int i=0; i&lt;ag.length; i++) {\n           System.out.println(ag[i]);\n       }\n    }\n}<\/pre>\n\n\n\n<p>\u7f16\u8bd1\u901a\u8fc7,\u6253\u5370\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \u5f20\u4e09\n    \u674e\u56db\n    \u8d75\u516d<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6c\u8f7d\uff1ahttps:\/\/blog.csdn.net\/u012514113\/article\/details\/129 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/13095"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13095"}],"version-history":[{"count":2,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/13095\/revisions"}],"predecessor-version":[{"id":13105,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/13095\/revisions\/13105"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}