{"id":203973,"date":"2025-05-22T11:03:47","date_gmt":"2025-05-22T03:03:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203973\/"},"modified":"2025-05-22T11:03:47","modified_gmt":"2025-05-22T03:03:47","slug":"%e5%a4%9a%e7%ba%bf%e7%a8%8b%e5%9c%ba%e6%99%af%e4%b8%8b%ef%bc%8c%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b8%bb%e7%a8%8b%e5%ba%8f%e4%b8%ad%e7%9a%84%e5%8f%98%e9%87%8f%e5%80%bc%e6%b2%a1%e6%9c%89%e6%9b%b4%e6%96%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203973\/","title":{"rendered":"\u591a\u7ebf\u7a0b\u573a\u666f\u4e0b\uff0c\u4e3a\u4ec0\u4e48\u4e3b\u7a0b\u5e8f\u4e2d\u7684\u53d8\u91cf\u503c\u6ca1\u6709\u66f4\u65b0\uff1f"},"content":{"rendered":"

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\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n

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package threadTest;\n\npublic class Main {\n\n    public static void main(String[] args) throws InterruptedException {\n        System.out.println(\"=======1========\");\n        Values va = new Values();\n        va.setA(2);\n        System.out.println(\"mainThread1: \" + va.getA());\n\n        System.out.println(\"=======2========\");\n        ThreadDemo td = new ThreadDemo(va);\n        td.start();\n        td.join();\n        \n        System.out.println(\"=======3=========\");\n        System.out.println(\"mainThread2: \" + va.getA());\n    }\n\n}\n\nclass ThreadDemo extends Thread {\n\n    private Values va; \/\/ \u63a5\u6536\u4e3b\u7a0b\u5e8f\u7684va\u5bf9\u8c61\n\n    public ThreadDemo(Values va) {\n        this.va = va;\n    }\n\n    @Override\n    public void run() {\n        va.setA(10); \/\/ \u4fee\u6539\u4f20\u5165\u7684va\u5bf9\u8c61\n    }\n\n}\n\nclass Values {\n\n    private int a;\n\n    public void setA(int a) {\n        this.a = a;\n    }\n\n    public int getA() {\n        return a;\n    }\n\n}<\/pre>\n
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