{"id":445,"date":"2024-09-14T23:54:22","date_gmt":"2024-09-14T15:54:22","guid":{"rendered":"https:\/\/www.ikaros.love\/?p=445"},"modified":"2024-09-14T23:54:22","modified_gmt":"2024-09-14T15:54:22","slug":"java%e4%b8%adjvm%e7%9a%84%e5%86%85%e5%ad%98%e5%88%92%e5%88%86%e5%92%8c%e8%81%8c%e8%83%bd","status":"publish","type":"post","link":"https:\/\/www.ikaros.love\/?p=445","title":{"rendered":"JAVA\u4e2dJVM\u7684\u5185\u5b58\u5212\u5206\u548c\u804c\u80fd"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

.JVM\u5185\u5b58\u7684\u5212\u5206\u53ca\u804c\u80fd
Java\u8bed\u8a00\u672c\u8eab\u662f\u4e0d\u80fd\u64cd\u4f5c\u5185\u5b58\u7684\uff0c\u5b83\u7684\u4e00\u5207\u90fd\u662f\u4ea4\u7ed9JVM\u6765\u7ba1\u7406\u548c\u63a7\u5236\u7684\uff0c\u56e0\u6b64Java\u5185\u5b58\u533a\u57df\u7684\u5212\u5206\u4e5f\u5c31\u662fJVM\u7684\u533a\u57df\u5212\u5206\uff0c\u5728\u8bf4JVM\u7684\u5185\u5b58\u5212\u5206\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0bJava\u7a0b\u5e8f\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u6709\u56fe\u53ef\u4ee5\u770b\u51fa\uff1aJava\u4ee3\u7801\u88ab\u7f16\u8bd1\u5668\u7f16\u8bd1\u6210\u5b57\u8282\u7801\u4e4b\u540e\uff0cJVM\u5f00\u8f9f\u4e00\u7247\u5185\u5b58\u7a7a\u95f4\uff08\u4e5f\u53eb\u8fd0\u884c\u65f6\u6570\u636e\u533a\uff09\uff0c\u901a\u8fc7\u7c7b\u52a0\u8f7d\u5668\u52a0\u5230\u5230\u8fd0\u884c\u65f6\u6570\u636e\u533a\u6765\u5b58\u50a8\u7a0b\u5e8f\u6267\u884c\u671f\u95f4\u9700\u8981\u7528\u5230\u7684\u6570\u636e\u548c\u76f8\u5173\u4fe1\u606f\uff0c\u5728\u8fd9\u4e2a\u6570\u636e\u533a\u4e2d\uff0c\u5b83\u7531\u4ee5\u4e0b\u51e0\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n

1. \u865a\u62df\u673a\u6808<\/h5>\n\n\n\n
2. \u5806<\/h5>\n\n\n\n
3. \u7a0b\u5e8f\u8ba1\u6570\u5668<\/h5>\n\n\n\n
4. \u65b9\u6cd5\u533a<\/h5>\n\n\n\n
5. \u672c\u5730\u65b9\u6cd5\u6808<\/h5>\n\n\n\n

\u6211\u4eec\u63a5\u7740\u6765\u4e86\u89e3\u4e00\u4e0b\u6bcf\u90e8\u5206\u7684\u539f\u7406\u4ee5\u53ca\u5177\u4f53\u7528\u6765\u5b58\u50a8\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u7684\u54ea\u4e9b\u6570\u636e\u3002<\/p>\n\n\n\n

\n\n\n\n
\n

1. \u865a\u62df\u673a\u6808<\/strong><\/p>\n<\/blockquote>\n\n\n\n

\u865a\u62df\u673a\u6808\u662fJava\u65b9\u6cd5\u6267\u884c\u7684\u5185\u5b58\u6a21\u578b\uff0c\u6808\u4e2d\u5b58\u653e\u7740\u6808\u5e27\uff0c\u6bcf\u4e2a\u6808\u5e27\u5206\u522b\u5bf9\u5e94\u4e00\u4e2a\u88ab\u8c03\u7528\u7684\u65b9\u6cd5\uff0c\u65b9\u6cd5\u7684\u8c03\u7528\u8fc7\u7a0b\u5bf9\u5e94\u6808\u5e27\u5728\u865a\u62df\u673a\u4e2d\u5165\u6808\u5230\u51fa\u6808\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

\u6808\u662f\u7ebf\u7a0b\u79c1\u6709\u7684\uff0c\u4e5f\u5c31\u662f\u7ebf\u7a0b\u4e4b\u95f4\u7684\u6808\u662f\u9694\u79bb\u7684\uff1b\u5f53\u7a0b\u5e8f\u4e2d\u67d0\u4e2a\u7ebf\u7a0b\u5f00\u59cb\u6267\u884c\u4e00\u4e2a\u65b9\u6cd5\u65f6\u5c31\u4f1a\u76f8\u5e94\u7684\u521b\u5efa\u4e00\u4e2a\u6808\u5e27\u5e76\u4e14\u5165\u6808\uff08\u4f4d\u4e8e\u6808\u9876\uff09\uff0c\u5728\u65b9\u6cd5\u7ed3\u675f\u540e\uff0c\u6808\u5e27\u51fa\u6808\u3002<\/p>\n\n\n\n

\u4e0b\u56fe\u8868\u793a\u4e86\u4e00\u4e2aJava\u6808\u7684\u6a21\u578b\u4ee5\u53ca\u6808\u5e27\u7684\u7ec4\u6210\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u6808\u5e27<\/strong>:\u662f\u7528\u4e8e\u652f\u6301\u865a\u62df\u673a\u8fdb\u884c\u65b9\u6cd5\u8c03\u7528\u548c\u65b9\u6cd5\u6267\u884c\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u662f\u865a\u62df\u673a\u8fd0\u884c\u65f6\u6570\u636e\u533a\u4e2d\u7684\u865a\u62df\u673a\u6808\u7684\u6808\u5143\u7d20\u3002<\/p>\n\n\n\n

\u6bcf\u4e2a\u6808\u5e27\u4e2d\u5305\u62ec\uff1a<\/p>\n\n\n\n

    \n
  1. \u5c40\u90e8\u53d8\u91cf\u8868<\/strong>:\u7528\u6765\u5b58\u50a8\u65b9\u6cd5\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\uff08\u975e\u9759\u6001\u53d8\u91cf\u3001\u51fd\u6570\u5f62\u53c2\uff09\u3002\u5f53\u53d8\u91cf\u4e3a\u57fa\u672c\u6570\u636e\u7c7b\u578b\u65f6\uff0c\u76f4\u63a5\u5b58\u50a8\u503c\uff0c\u5f53\u53d8\u91cf\u4e3a\u5f15\u7528\u7c7b\u578b\u65f6\uff0c\u5b58\u50a8\u7684\u662f\u6307\u5411\u5177\u4f53\u5bf9\u8c61\u7684\u5f15\u7528\u3002<\/li>\n\n\n\n
  2. \u64cd\u4f5c\u6570\u6808<\/strong>:Java\u865a\u62df\u673a\u7684\u89e3\u91ca\u6267\u884c\u5f15\u64ce\u88ab\u79f0\u4e3a”\u57fa\u4e8e\u6808\u7684\u6267\u884c\u5f15\u64ce”\uff0c\u5176\u4e2d\u6240\u6307\u7684\u6808\u5c31\u662f\u6307\u64cd\u4f5c\u6570\u6808\u3002<\/li>\n\n\n\n
  3. \u6307\u5411\u8fd0\u884c\u65f6\u5e38\u91cf\u6c60\u7684\u5f15\u7528<\/strong>:\u5b58\u50a8\u7a0b\u5e8f\u6267\u884c\u65f6\u53ef\u80fd\u7528\u5230\u5e38\u91cf\u7684\u5f15\u7528\u3002<\/li>\n\n\n\n
  4. \u65b9\u6cd5\u8fd4\u56de\u5730\u5740<\/strong>:\u5b58\u50a8\u65b9\u6cd5\u6267\u884c\u5b8c\u6210\u540e\u7684\u8fd4\u56de\u5730\u5740\u3002<\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n
    \n

    2. \u5806\uff1a<\/strong><\/p>\n<\/blockquote>\n\n\n\n

    \u5806\u662f\u7528\u6765\u5b58\u50a8\u5bf9\u8c61\u672c\u8eab\u548c\u6570\u7ec4\u7684\uff0c\u5728JVM\u4e2d\u53ea\u6709\u4e00\u4e2a\u5806\uff0c\u56e0\u6b64\uff0c\u5806\u662f\u88ab\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\u7684\u3002<\/p>\n\n\n\n

    \n\n\n\n
    \n

    3. \u65b9\u6cd5\u533a\uff1a<\/strong><\/p>\n<\/blockquote>\n\n\n\n

    \u65b9\u6cd5\u533a\u662f\u4e00\u5757\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\u7684\u5185\u5b58\u903b\u8f91\u533a\u57df\uff0c\u5728JVM\u4e2d\u53ea\u6709\u4e00\u4e2a\u65b9\u6cd5\u533a\uff0c\u7528\u6765\u5b58\u50a8\u4e00\u4e9b\u7ebf\u7a0b\u53ef\u5171\u4eab\u7684\u5185\u5bb9\uff0c\u5b83\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\u65b9\u6cd5\u533a\u4e2d\u540c\u4e00\u4e2a\u5185\u5bb9\u65f6\uff0c\u53ea\u80fd\u6709\u4e00\u4e2a\u7ebf\u7a0b\u88c5\u8f7d\u8be5\u6570\u636e\uff0c\u5176\u5b83\u7ebf\u7a0b\u53ea\u80fd\u7b49\u5f85\u3002<\/p>\n\n\n\n

    \u65b9\u6cd5\u533a\u53ef\u5b58\u50a8\u7684\u5185\u5bb9\u6709\uff1a\u7c7b\u7684\u5168\u8def\u5f84\u540d\u3001\u7c7b\u7684\u76f4\u63a5\u8d85\u7c7b\u7684\u6743\u5168\u9650\u5b9a\u540d\u3001\u7c7b\u7684\u8bbf\u95ee\u4fee\u9970\u7b26\u3001\u7c7b\u7684\u7c7b\u578b\uff08\u7c7b\u6216\u63a5\u53e3\uff09\u3001\u7c7b\u7684\u76f4\u63a5\u63a5\u53e3\u5168\u9650\u5b9a\u540d\u7684\u6709\u5e8f\u5217\u8868\u3001\u5e38\u91cf\u6c60\uff08\u5b57\u6bb5\uff0c\u65b9\u6cd5\u4fe1\u606f\uff0c\u9759\u6001\u53d8\u91cf\uff0c\u7c7b\u578b\u5f15\u7528\uff08class\uff09\uff09\u7b49\u3002<\/p>\n\n\n\n

    \n\n\n\n
    \n

    4. \u672c\u5730\u65b9\u6cd5\u6808\uff1a<\/strong><\/p>\n<\/blockquote>\n\n\n\n

    \u672c\u5730\u65b9\u6cd5\u6808\u7684\u529f\u80fd\u548c\u865a\u62df\u673a\u6808\u662f\u57fa\u672c\u4e00\u81f4\u7684\uff0c\u5e76\u4e14\u4e5f\u662f\u7ebf\u7a0b\u79c1\u6709\u7684\uff0c\u5b83\u4eec\u7684\u533a\u522b\u5728\u4e8e\u865a\u62df\u673a\u6808\u662f\u4e3a\u6267\u884cJava\u65b9\u6cd5\u670d\u52a1\u7684\uff0c\u800c\u672c\u5730\u65b9\u6cd5\u6808\u662f\u4e3a\u6267\u884c\u672c\u5730\u65b9\u6cd5\u670d\u52a1\u7684\u3002<\/p>\n\n\n\n

    \u6709\u4eba\u4f1a\u7591\u60d1\uff1a\u4ec0\u4e48\u662f\u672c\u5730\u65b9\u6cd5\uff1f\u4e3a\u4ec0\u4e48Java\u8fd8\u8981\u8c03\u7528\u672c\u5730\u65b9\u6cd5\uff1f<\/strong><\/p>\n\n\n\n

    \n\n\n\n
    \n

    5. \u7a0b\u5e8f\u8ba1\u6570\u5668\uff1a<\/strong><\/p>\n<\/blockquote>\n\n\n\n

    \u7ebf\u7a0b\u79c1\u6709\u7684\u3002
    \u8bb0\u5f55\u7740\u5f53\u524d\u7ebf\u7a0b\u6240\u6267\u884c\u7684\u5b57\u8282\u7801\u7684\u884c\u53f7\u6307\u793a\u5668\uff0c\u5728\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5b57\u8282\u7801\u89e3\u91ca\u5668\u5de5\u4f5c\u65f6\u5c31\u662f\u901a\u8fc7\u6539\u53d8\u8fd9\u4e2a\u8ba1\u6570\u5668\u7684\u503c\u6765\u9009\u53d6\u4e0b\u4e00\u6761\u9700\u8981\u6267\u884c\u7684\u5b57\u8282\u7801\u6307\u4ee4\uff0c\u5206\u652f\u3001\u5faa\u73af\u3001\u5f02\u5e38\u5904\u7406\u3001\u7ebf\u7a0b\u6062\u590d\u7b49\u57fa\u7840\u529f\u80fd\u90fd\u9700\u8981\u4f9d\u8d56\u8ba1\u6570\u5668\u5b8c\u6210\u3002<\/p>\n\n\n\n

    \n\n\n\n

    4. \u6570\u636e\u5982\u4f55\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\uff1f<\/h3>\n\n\n\n

    \u4ece\u4e0a\u9762\u7a0b\u5e8f\u8fd0\u884c\u56fe\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0cJVM\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u7684\u5185\u5b58\u5206\u914d\u6709\u4e09\u4e2a\u5730\u65b9\uff1a<\/p>\n\n\n\n

      \n
    • \u5806<\/li>\n\n\n\n
    • \u6808<\/li>\n\n\n\n
    • \u9759\u6001\u65b9\u6cd5\u533a<\/li>\n\n\n\n
    • \u5e38\u91cf\u533a<\/li>\n<\/ul>\n\n\n\n

      \u76f8\u5e94\u5730\uff0c\u6bcf\u4e2a\u5b58\u50a8\u533a\u57df\u90fd\u6709\u81ea\u5df1\u7684\u5185\u5b58\u5206\u914d\u7b56\u7565\uff1a<\/p>\n\n\n\n

        \n
      • \u5806\u5f0f\uff1a<\/li>\n\n\n\n
      • \u6808\u5f0f<\/li>\n\n\n\n
      • \u9759\u6001<\/li>\n<\/ul>\n\n\n\n

        \u6211\u4eec\u5df2\u7ecf\u77e5\u9053\uff1aJava\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u6709\u57fa\u672c\u6570\u636e\u7c7b\u578b\u548c\u5f15\u7528\u6570\u636e\u7c7b\u578b\uff0c\u90a3\u4e48\u8fd9\u4e9b\u6570\u636e\u7684\u5b58\u50a8\u90fd\u4f7f\u7528\u54ea\u4e00\u79cd\u7b56\u7565\u5462\uff1f
        \u8fd9\u91cc\u8981\u5206\u4ee5\u4e0b\u7684\u60c5\u51b5\u8fdb\u884c\u63a2\u7a76\uff1a<\/p>\n\n\n\n

        \n

        1. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5b58\u50a8\uff1a<\/strong><\/p>\n<\/blockquote>\n\n\n\n

          \n
        • A. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5c40\u90e8\u53d8\u91cf<\/li>\n\n\n\n
        • B. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6210\u5458\u53d8\u91cf<\/li>\n\n\n\n
        • C. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u9759\u6001\u53d8\u91cf<\/li>\n<\/ul>\n\n\n\n
          \n

          2. \u5f15\u7528\u6570\u636e\u7c7b\u578b\u7684\u5b58\u50a8<\/strong><\/p>\n<\/blockquote>\n\n\n\n

          \n\n\n\n
          \n

          1. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5b58\u50a8<\/strong><\/p>\n<\/blockquote>\n\n\n\n

          \n\n\n\n

          \u6211\u4eec\u5206\u522b\u6765\u7814\u7a76\u4e00\u4e0b\uff1a<\/p>\n\n\n\n

          A.\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5c40\u90e8\u53d8\u91cf<\/strong><\/h5>\n\n\n\n
            \n
          1. \u5b9a\u4e49\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5c40\u90e8\u53d8\u91cf\u4ee5\u53ca\u6570\u636e\u90fd\u662f\u76f4\u63a5\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u6808\u4e0a\uff0c\u4e5f\u5c31\u662f\u524d\u9762\u8bf4\u5230\u7684\u201c\u865a\u62df\u673a\u6808\u201d<\/strong>\uff0c\u6570\u636e\u672c\u8eab\u7684\u503c\u5c31\u662f\u5b58\u50a8\u5728\u6808\u7a7a\u95f4\u91cc\u9762\u3002<\/li>\n<\/ol>\n\n\n\n
            \"\"<\/figure>\n\n\n\n

            \u5982\u4e0a\u56fe\uff0c\u5728\u65b9\u6cd5\u5185\u5b9a\u4e49\u7684\u53d8\u91cf\u76f4\u63a5\u5b58\u50a8\u5728\u6808\u4e2d\uff0c\u5982int age=50; int weight=50; int grade=6;<\/p>\n\n\n\n

            \u5f53\u6211\u4eec\u5199\u201cint age=50\uff1b\u201d\uff0c\u5176\u5b9e\u662f\u5206\u4e3a\u4e24\u6b65\u7684\uff1aint age;\/\/\u5b9a\u4e49\u53d8\u91cf age=50;\/\/\u8d4b\u503c<\/p>\n\n\n\n

            \u9996\u5148JVM\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aage\u7684\u53d8\u91cf\uff0c\u5b58\u4e8e\u5c40\u90e8\u53d8\u91cf\u8868\u4e2d\uff0c\u7136\u540e\u53bb\u6808\u4e2d\u67e5\u627e\u662f\u5426\u5b58\u5728\u6709\u5b57\u9762\u91cf\u503c\u4e3a50\u7684\u5185\u5bb9\uff0c\u5982\u679c\u6709\u5c31\u76f4\u63a5\u628aage\u6307\u5411\u8fd9\u4e2a\u5730\u5740\uff0c\u5982\u679c\u6ca1\u6709\uff0cJVM\u4f1a\u5728\u6808\u4e2d\u5f00\u8f9f\u4e00\u5757\u7a7a\u95f4\u6765\u5b58\u50a8\u201c50\u201d\u8fd9\u4e2a\u5185\u5bb9\uff0c\u5e76\u4e14\u628aage\u6307\u5411\u8fd9\u4e2a\u5730\u5740\u3002\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff1a
            \u6211\u4eec\u58f0\u660e\u5e76\u521d\u59cb\u5316\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5c40\u90e8\u53d8\u91cf\u65f6\uff0c\u53d8\u91cf\u540d\u4ee5\u53ca\u5b57\u9762\u91cf\u503c\u90fd\u662f\u5b58\u50a8\u5728\u6808\u4e2d\uff0c\u800c\u4e14\u662f\u771f\u5b9e\u7684\u5185\u5bb9\u3002<\/strong><\/p>\n\n\n\n

            \u6211\u4eec\u518d\u6765\u770b\u201cint weight=50\uff1b\u201d\uff0c\u6309\u7167\u521a\u624d\u7684\u601d\u8def\uff1a\u5b57\u9762\u91cf\u4e3a50\u7684\u5185\u5bb9\u5728\u6808\u4e2d\u5df2\u7ecf\u5b58\u5728\uff0c\u56e0\u6b64weight\u662f\u76f4\u63a5\u6307\u5411\u8fd9\u4e2a\u5730\u5740\u7684\u3002\u7531\u6b64\u53ef\u89c1\uff1a\u6808\u4e2d\u7684\u6570\u636e\u5728\u5f53\u524d\u7ebf\u7a0b\u4e0b\u662f\u5171\u4eab\u7684<\/strong>\u3002<\/p>\n\n\n\n

            \u90a3\u4e48\u5982\u679c\u518d\u6267\u884c\u4e0b\u9762\u7684\u4ee3\u7801\u5462\uff1fweight=40\uff1b<\/p>\n\n\n\n

            \u5f53\u4ee3\u7801\u4e2d\u91cd\u65b0\u7ed9weight\u53d8\u91cf\u8fdb\u884c\u8d4b\u503c\u65f6\uff0cJVM\u4f1a\u53bb\u6808\u4e2d\u5bfb\u627e\u5b57\u9762\u91cf\u4e3a40\u7684\u5185\u5bb9\uff0c\u53d1\u73b0\u6ca1\u6709\uff0c\u5c31\u4f1a\u5f00\u8f9f\u4e00\u5757\u5185\u5b58\u7a7a\u95f4\u5b58\u50a840\u8fd9\u4e2a\u5185\u5bb9\uff0c\u5e76\u4e14\u628aweight\u6307\u5411\u8fd9\u4e2a\u5730\u5740\u3002\u7531\u6b64\u53ef\u77e5\uff1a<\/p>\n\n\n\n

            \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6570\u636e\u672c\u8eab\u662f\u4e0d\u4f1a\u6539\u53d8\u7684\uff0c\u5f53\u5c40\u90e8\u53d8\u91cf\u91cd\u65b0\u8d4b\u503c\u65f6\uff0c\u5e76\u4e0d\u662f\u5728\u5185\u5b58\u4e2d\u6539\u53d8\u5b57\u9762\u91cf\u5185\u5bb9\uff0c\u800c\u662f\u91cd\u65b0\u5728\u6808\u4e2d\u5bfb\u627e\u5df2\u5b58\u5728\u7684\u76f8\u540c\u7684\u6570\u636e\uff0c\u82e5\u6808\u4e2d\u4e0d\u5b58\u5728\uff0c\u5219\u91cd\u65b0\u5f00\u8f9f\u5185\u5b58\u5b58\u65b0\u6570\u636e\uff0c\u5e76\u4e14\u628a\u8981\u91cd\u65b0\u8d4b\u503c\u7684\u5c40\u90e8\u53d8\u91cf\u7684\u5f15\u7528\u6307\u5411\u65b0\u6570\u636e\u6240\u5728\u5730\u5740\u3002<\/strong><\/p>\n\n\n\n

            \n\n\n\n
            B. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6210\u5458\u53d8\u91cf<\/strong><\/h5>\n\n\n\n

            \u6210\u5458\u53d8\u91cf\uff1a\u987e\u540d\u601d\u4e49\uff0c\u5c31\u662f\u5728\u7c7b\u4f53\u4e2d\u5b9a\u4e49\u7684\u53d8\u91cf\u3002
            \u770b\u4e0b\u56fe\uff1a<\/p>\n\n\n\n

            \"\"<\/figure>\n\n\n\n

            \u6211\u4eec\u770bper\u7684\u5730\u5740\u6307\u5411\u7684\u662f\u5806\u5185\u5b58\u4e2d\u7684\u4e00\u5757\u533a\u57df\uff0c\u6211\u4eec\u6765\u8fd8\u539f\u4e00\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n

            public class Person{\r\n  private int age;\r\n  private String name;\r\n  private int grade;\r\n\/\/\u7bc7\u5e45\u8f83\u957f\uff0c\u7701\u7565setter getter\u65b9\u6cd5\r\n  static void run(){\r\n     System.out.println(\"run....\"); \r\n   };\r\n}\r\n\r\n\/\/\u8c03\u7528\r\nPerson per=new Person();<\/code><\/pre>\n\n\n\n
            \u540c\u6837\u662f\u5c40\u90e8\u53d8\u91cf\u7684age\u3001name\u3001grade\u5374\u88ab\u5b58\u50a8\u5230\u4e86\u5806\u4e2d\u4e3aper\u5bf9\u8c61\u5f00\u8f9f\u7684\u4e00\u5757\u7a7a\u95f4\u4e2d\u3002\u56e0\u6b64\u53ef\u77e5\uff1a\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6210\u5458\u53d8\u91cf\u540d\u548c\u503c\u90fd\u5b58\u50a8\u4e8e\u5806\u4e2d\uff0c\u5176\u751f\u547d\u5468\u671f\u548c\u5bf9\u8c61\u7684\u662f\u4e00\u81f4\u7684\u3002<\/strong><\/p>\n\n\n\n
            \n\n\n\n
            C. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u9759\u6001\u53d8\u91cf<\/strong><\/h5>\n\n\n\n
            \u524d\u9762\u63d0\u5230\u65b9\u6cd5\u533a<\/strong>\u7528\u6765\u5b58\u50a8\u4e00\u4e9b\u5171\u4eab\u6570\u636e\uff0c\u56e0\u6b64\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u9759\u6001\u53d8\u91cf\u540d\u4ee5\u53ca\u503c\u5b58\u50a8\u4e8e\u65b9\u6cd5\u533a\u7684\u8fd0\u884c\u65f6\u5e38\u91cf\u6c60\u4e2d\uff0c\u9759\u6001\u53d8\u91cf\u968f\u7c7b\u52a0\u8f7d\u800c\u52a0\u8f7d\uff0c\u968f\u7c7b\u6d88\u5931\u800c\u6d88\u5931<\/strong><\/p>\n\n\n\n
            \n\n\n\n
            \n
            2. \u5f15\u7528\u6570\u636e\u7c7b\u578b\u7684\u5b58\u50a8:<\/strong><\/p>\n<\/blockquote>\n\n\n\n
            \u4e0a\u9762\u63d0\u5230\uff1a\u5806\u662f\u7528\u6765\u5b58\u50a8\u5bf9\u8c61\u672c\u8eab\u548c\u6570\u7ec4\uff0c\u800c\u5f15\u7528\uff08\u53e5\u67c4\uff09\u5b58\u653e\u7684\u662f\u5b9e\u9645\u5185\u5bb9\u7684\u5730\u5740\u503c\uff0c\u56e0\u6b64\u901a\u8fc7\u4e0a\u9762\u7684\u7a0b\u5e8f\u8fd0\u884c\u56fe\uff0c\u4e5f\u53ef\u4ee5\u770b\u51fa\uff0c\u5f53\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61\u65f6Person per=new Person();<\/p>\n\n\n\n
            \u5b9e\u9645\u4e0a\uff0c\u5b83\u4e5f\u662f\u6709\u4e24\u4e2a\u8fc7\u7a0b\uff1aPerson per;\/\/\u5b9a\u4e49\u53d8\u91cf per=new Person();\/\/\u8d4b\u503c<\/p>\n\n\n\n
            \u5728\u6267\u884cPerson per;\u65f6\uff0cJVM\u5148\u5728\u865a\u62df\u673a\u6808\u4e2d\u7684\u53d8\u91cf\u8868\u4e2d\u5f00\u8f9f\u4e00\u5757\u5185\u5b58\u5b58\u653eper\u53d8\u91cf\uff0c\u5728\u6267\u884cper=new Person()\u65f6\uff0cJVM\u4f1a\u521b\u5efa\u4e00\u4e2aPerson\u7c7b\u7684\u5b9e\u4f8b\u5bf9\u8c61\u5e76\u5728\u5806\u4e2d\u5f00\u8f9f\u4e00\u5757\u5185\u5b58\u5b58\u50a8\u8fd9\u4e2a\u5b9e\u4f8b\uff0c\u540c\u65f6\u628a\u5b9e\u4f8b\u7684\u5730\u5740\u503c\u8d4b\u503c\u7ed9per\u53d8\u91cf\u3002\u56e0\u6b64\u53ef\u89c1\uff1a
            \u5bf9\u4e8e\u5f15\u7528\u6570\u636e\u7c7b\u578b\u7684\u5bf9\u8c61\/\u6570\u7ec4\uff0c\u53d8\u91cf\u540d\u5b58\u5728\u6808\u4e2d\uff0c\u53d8\u91cf\u503c\u5b58\u50a8\u7684\u662f\u5bf9\u8c61\u7684\u5730\u5740\uff0c\u5e76\u4e0d\u662f\u5bf9\u8c61\u7684\u5b9e\u9645\u5185\u5bb9\u3002<\/strong><\/p>\n\n\n\n
            6. \u503c\u4f20\u9012\u548c\u5f15\u7528\u4f20\u9012<\/h3>\n\n\n\n
            \u524d\u9762\u5df2\u7ecf\u4ecb\u7ecd\u8fc7\u5f62\u53c2\u548c\u5b9e\u53c2\uff0c\u4e5f\u4ecb\u7ecd\u4e86\u6570\u636e\u7c7b\u578b\u4ee5\u53ca\u6570\u636e\u5728\u5185\u5b58\u4e2d\u7684\u5b58\u50a8\u5f62\u5f0f\uff0c\u63a5\u4e0b\u6765\uff0c\u5c31\u662f\u6587\u7ae0\u7684\u4e3b\u9898\uff1a\u503c\u4f20\u9012\u548c\u5f15\u7528\u7684\u4f20\u9012\u3002<\/p>\n\n\n\n
            \n
            \u503c\u4f20\u9012\uff1a<\/strong>
            \u5728\u65b9\u6cd5\u88ab\u8c03\u7528\u65f6\uff0c\u5b9e\u53c2\u901a\u8fc7\u5f62\u53c2\u628a\u5b83\u7684\u5185\u5bb9\u526f\u672c\u4f20\u5165\u65b9\u6cd5\u5185\u90e8\uff0c\u6b64\u65f6\u5f62\u53c2\u63a5\u6536\u5230\u7684\u5185\u5bb9\u662f\u5b9e\u53c2\u503c\u7684\u4e00\u4e2a\u62f7\u8d1d\uff0c\u56e0\u6b64\u5728\u65b9\u6cd5\u5185\u5bf9\u5f62\u53c2\u7684\u4efb\u4f55\u64cd\u4f5c\uff0c\u90fd\u4ec5\u4ec5\u662f\u5bf9\u8fd9\u4e2a\u526f\u672c\u7684\u64cd\u4f5c\uff0c\u4e0d\u5f71\u54cd\u539f\u59cb\u503c\u7684\u5185\u5bb9\u3002<\/p>\n<\/blockquote>\n\n\n\n
            \u6765\u770b\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n
            public static void valueCrossTest(int age,float weight){\r\n    System.out.println(\"\u4f20\u5165\u7684age\uff1a\"+age);\r\n    System.out.println(\"\u4f20\u5165\u7684weight\uff1a\"+weight);\r\n    age=33;\r\n    weight=89.5f;\r\n    System.out.println(\"\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684age\uff1a\"+age);\r\n    System.out.println(\"\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684weight\uff1a\"+weight);\r\n    }\r\n\r\n\/\/\u6d4b\u8bd5\r\npublic static void main(String[] args) {\r\n        int a=25;\r\n        float w=77.5f;\r\n        valueCrossTest(a,w);\r\n        System.out.println(\"\u65b9\u6cd5\u6267\u884c\u540e\u7684age\uff1a\"+a);\r\n        System.out.println(\"\u65b9\u6cd5\u6267\u884c\u540e\u7684weight\uff1a\"+w);\r\n}<\/code><\/pre>\n\n\n\n
            \u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n
            \u4f20\u5165\u7684age\uff1a25\r\n\u4f20\u5165\u7684weight\uff1a77.5\r\n\r\n\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684age\uff1a33\r\n\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684weight\uff1a89.5\r\n\r\n\u65b9\u6cd5\u6267\u884c\u540e\u7684age\uff1a25\r\n\u65b9\u6cd5\u6267\u884c\u540e\u7684weight\uff1a77.5<\/code><\/pre>\n\n\n\n
            \u4ece\u4e0a\u9762\u7684\u6253\u5370\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\uff1a
            a\u548cw\u4f5c\u4e3a\u5b9e\u53c2\u4f20\u5165valueCrossTest\u4e4b\u540e\uff0c\u65e0\u8bba\u5728\u65b9\u6cd5\u5185\u505a\u4e86\u4ec0\u4e48\u64cd\u4f5c\uff0c\u6700\u7ec8a\u548cw\u90fd\u6ca1\u53d8\u5316\u3002<\/p>\n\n\n\n
            \u8fd9\u662f\u4ec0\u4e48\u9020\u578b\u5462\uff1f\uff01\uff01<\/p>\n\n\n\n
            \u4e0b\u9762\u6211\u4eec\u6839\u636e\u4e0a\u9762\u5b66\u5230\u7684\u77e5\u8bc6\u70b9\uff0c\u8fdb\u884c\u8be6\u7ec6\u7684\u5206\u6790\uff1a<\/p>\n\n\n\n
            \u9996\u5148\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u8c03\u7528mian()\u65b9\u6cd5\uff0c\u6b64\u65f6JVM\u4e3amain()\u65b9\u6cd5\u5f80\u865a\u62df\u673a\u6808\u4e2d\u538b\u5165\u4e00\u4e2a\u6808\u5e27\uff0c\u5373\u4e3a\u5f53\u524d\u6808\u5e27\uff0c\u7528\u6765\u5b58\u653emain()\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\u8868(\u5305\u62ec\u53c2\u6570)\u3001\u64cd\u4f5c\u6808\u3001\u65b9\u6cd5\u51fa\u53e3\u7b49\u4fe1\u606f\uff0c\u5982a\u548cw\u90fd\u662fmian()\u65b9\u6cd5\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\uff0c\u56e0\u6b64\u53ef\u4ee5\u65ad\u5b9a\uff0ca\u548cw\u662f\u8eba\u7740mian\u65b9\u6cd5\u6240\u5728\u7684\u6808\u5e27\u4e2d
            \u5982\u56fe\uff1a<\/p>\n\n\n\n
            \"\"<\/figure>\n\n\n\n
            \u800c\u5f53\u6267\u884c\u5230valueCrossTest()\u65b9\u6cd5\u65f6\uff0cJVM\u4e5f\u4e3a\u5176\u5f80\u865a\u62df\u673a\u6808\u4e2d\u538b\u5165\u4e00\u4e2a\u6808\uff0c\u5373\u4e3a\u5f53\u524d\u6808\u5e27\uff0c\u7528\u6765\u5b58\u653evalueCrossTest()\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\u7b49\u4fe1\u606f\uff0c\u56e0\u6b64age\u548cweight\u662f\u8eba\u7740valueCrossTest\u65b9\u6cd5\u6240\u5728\u7684\u6808\u5e27\u4e2d\uff0c\u800c\u4ed6\u4eec\u7684\u503c\u662f\u4ecea\u548cw\u7684\u503ccopy\u4e86\u4e00\u4efd\u526f\u672c\u800c\u5f97\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
            \"\"<\/figure>\n\n\n\n
            \u56e0\u800c\u53ef\u4ee5a\u548cage\u3001w\u548cweight\u5bf9\u5e94\u7684\u5185\u5bb9\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u6240\u4ee5\u5f53\u5728\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u65f6\uff0c\u5b9e\u9645\u6d41\u7a0b\u5982\u56fe\uff1a<\/p>\n\n\n\n
            \"\"<\/figure>\n\n\n\n
            \u4e5f\u5c31\u662f\u8bf4\uff0cage\u548cweight\u7684\u6539\u52a8\uff0c\u53ea\u662f\u6539\u53d8\u4e86\u5f53\u524d\u6808\u5e27\uff08valueCrossTest\u65b9\u6cd5\u6240\u5728\u6808\u5e27\uff09\u91cc\u7684\u5185\u5bb9\uff0c\u5f53\u65b9\u6cd5\u6267\u884c\u7ed3\u675f\u4e4b\u540e\uff0c\u8fd9\u4e9b\u5c40\u90e8\u53d8\u91cf\u90fd\u4f1a\u88ab\u9500\u6bc1\uff0cmian\u65b9\u6cd5\u6240\u5728\u6808\u5e27\u91cd\u65b0\u56de\u5230\u6808\u9876\uff0c\u6210\u4e3a\u5f53\u524d\u6808\u5e27\uff0c\u518d\u6b21\u8f93\u51faa\u548cw\u65f6\uff0c\u4f9d\u7136\u662f\u521d\u59cb\u5316\u65f6\u7684\u5185\u5bb9\u3002
            \u56e0\u6b64\uff1a
            \u503c\u4f20\u9012\u4f20\u9012\u7684\u662f\u771f\u5b9e\u5185\u5bb9\u7684\u4e00\u4e2a\u526f\u672c\uff0c\u5bf9\u526f\u672c\u7684\u64cd\u4f5c\u4e0d\u5f71\u54cd\u539f\u5185\u5bb9\uff0c\u4e5f\u5c31\u662f\u5f62\u53c2\u600e\u4e48\u53d8\u5316\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5b9e\u53c2\u5bf9\u5e94\u7684\u5185\u5bb9\u3002<\/strong><\/p>\n\n\n\n
            \n
            \u5f15\u7528\u4f20\u9012\uff1a<\/strong>
            \u201d\u5f15\u7528\u201d\u4e5f\u5c31\u662f\u6307\u5411\u771f\u5b9e\u5185\u5bb9\u7684\u5730\u5740\u503c\uff0c\u5728\u65b9\u6cd5\u8c03\u7528\u65f6\uff0c\u5b9e\u53c2\u7684\u5730\u5740\u901a\u8fc7\u65b9\u6cd5\u8c03\u7528\u88ab\u4f20\u9012\u7ed9\u76f8\u5e94\u7684\u5f62\u53c2\uff0c\u5728\u65b9\u6cd5\u4f53\u5185\uff0c\u5f62\u53c2\u548c\u5b9e\u53c2\u6307\u5411\u901a\u6109\u5feb\u5185\u5b58\u5730\u5740\uff0c\u5bf9\u5f62\u53c2\u7684\u64cd\u4f5c\u4f1a\u5f71\u54cd\u7684\u771f\u5b9e\u5185\u5bb9\u3002<\/p>\n<\/blockquote>\n\n\n\n
            \u4e3e\u4e2a\u6817\u5b50\uff1a
            \u5148\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61\uff1a<\/p>\n\n\n\n
            public class Person {\r\n        private String name;\r\n        private int age;\r\n\r\n        public String getName() {\r\n            return name;\r\n        }\r\n        public void setName(String name) {\r\n            this.name = name;\r\n        }\r\n        public int getAge() {\r\n            return age;\r\n        }\r\n        public void setAge(int age) {\r\n            this.age = age;\r\n        }\r\n}<\/code><\/pre>\n\n\n\n
            \u6211\u4eec\u5199\u4e2a\u51fd\u6570\u6d4b\u8bd5\u4e00\u4e0b\uff1a<\/p>\n\n\n\n
            public static void PersonCrossTest(Person person){\r\n        System.out.println(\"\u4f20\u5165\u7684person\u7684name\uff1a\"+person.getName());\r\n        person.setName(\"\u6211\u662f\u5f20\u5c0f\u9f99\");\r\n        System.out.println(\"\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684name\uff1a\"+person.getName());\r\n    }\r\n\/\/\u6d4b\u8bd5\r\npublic static void main(String[] args) {\r\n        Person p=new Person();\r\n        p.setName(\"\u6211\u662f\u9a6c\u5316\u817e\");\r\n        p.setAge(45);\r\n        PersonCrossTest(p);\r\n        System.out.println(\"\u65b9\u6cd5\u6267\u884c\u540e\u7684name\uff1a\"+p.getName());\r\n}<\/code><\/pre>\n\n\n\n
            \u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n
            \u4f20\u5165\u7684person\u7684name\uff1a\u6211\u662f\u9a6c\u5316\u817e\r\n\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684name\uff1a\u6211\u662f\u5f20\u5c0f\u9f99\r\n\u65b9\u6cd5\u6267\u884c\u540e\u7684name\uff1a\u6211\u662f\u5f20\u5c0f\u9f99<\/code><\/pre>\n\n\n\n
            \u53ef\u4ee5\u770b\u51fa\uff0cperson\u7ecf\u8fc7personCrossTest()\u65b9\u6cd5\u7684\u6267\u884c\u4e4b\u540e\uff0c\u5185\u5bb9\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u8fd9\u5370\u8bc1\u4e86\u4e0a\u9762\u6240\u8bf4\u7684\u201c\u5f15\u7528\u4f20\u9012\u201d<\/strong>\uff0c\u5bf9\u5f62\u53c2\u7684\u64cd\u4f5c\uff0c\u6539\u53d8\u4e86\u5b9e\u9645\u5bf9\u8c61\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n
            \u90a3\u4e48\uff0c\u5230\u8fd9\u91cc\u5c31\u7ed3\u9898\u4e86\u5417\uff1f
            \u4e0d\u662f\u7684\uff0c\u6ca1\u90a3\u4e48\u7b80\u5355\uff0c
            \u80fd\u770b\u5f97\u5230\u60f3\u8981\u7684\u6548\u679c
            \u662f\u56e0\u4e3a\u521a\u597d\u9009\u5bf9\u4e86\u4f8b\u5b50\u800c\u5df2\uff01\uff01\uff01<\/p>\n\n\n\n
            \u4e0b\u9762\u6211\u4eec\u5bf9\u4e0a\u9762\u7684\u4f8b\u5b50\u7a0d\u4f5c\u4fee\u6539\uff0c\u52a0\u4e0a\u4e00\u884c\u4ee3\u7801\uff0c<\/p>\n\n\n\n
            public static void PersonCrossTest(Person person){\r\n        System.out.println(\"\u4f20\u5165\u7684person\u7684name\uff1a\"+person.getName());\r\n        person=new Person();\/\/\u52a0\u591a\u6b64\u884c\u4ee3\u7801\r\n        person.setName(\"\u6211\u662f\u5f20\u5c0f\u9f99\");\r\n        System.out.println(\"\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684name\uff1a\"+person.getName());\r\n    }<\/code><\/pre>\n\n\n\n
            \u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n
            \u4f20\u5165\u7684person\u7684name\uff1a\u6211\u662f\u9a6c\u5316\u817e\r\n\u65b9\u6cd5\u5185\u91cd\u65b0\u8d4b\u503c\u540e\u7684name\uff1a\u6211\u662f\u5f20\u5c0f\u9f99\r\n\u65b9\u6cd5\u6267\u884c\u540e\u7684name\uff1a\u6211\u662f\u9a6c\u5316\u817e<\/code><\/pre>\n\n\n\n
            \u4e3a\u4ec0\u4e48\u8fd9\u6b21\u7684\u8f93\u51fa\u548c\u4e0a\u6b21\u7684\u4e0d\u4e00\u6837\u4e86\u5462\uff1f
            \u770b\u51fa\u4ec0\u4e48\u95ee\u9898\u4e86\u5417\uff1f<\/p>\n\n\n\n
            \u6309\u7167\u4e0a\u9762\u8bb2\u5230JVM\u5185\u5b58\u6a21\u578b\u53ef\u4ee5\u77e5\u9053\uff0c\u5bf9\u8c61\u548c\u6570\u7ec4\u662f\u5b58\u50a8\u5728Java\u5806\u533a\u7684\uff0c\u800c\u4e14\u5806\u533a\u662f\u5171\u4eab\u7684\uff0c\u56e0\u6b64\u7a0b\u5e8f\u6267\u884c\u5230main\uff08\uff09\u65b9\u6cd5\u4e2d\u7684\u4e0b\u5217\u4ee3\u7801\u65f6<\/p>\n\n\n\n
            Person p=new Person();\r\n        p.setName(\"\u6211\u662f\u9a6c\u5316\u817e\");\r\n        p.setAge(45);\r\n        PersonCrossTest(p);<\/code><\/pre>\n\n\n\n
            JVM\u4f1a\u5728\u5806\u5185\u5f00\u8f9f\u4e00\u5757\u5185\u5b58\uff0c\u7528\u6765\u5b58\u50a8p\u5bf9\u8c61\u7684\u6240\u6709\u5185\u5bb9\uff0c\u540c\u65f6\u5728main\uff08\uff09\u65b9\u6cd5\u6240\u5728\u7ebf\u7a0b\u7684\u6808\u533a\u4e2d\u521b\u5efa\u4e00\u4e2a\u5f15\u7528p\u5b58\u50a8\u5806\u533a\u4e2dp\u5bf9\u8c61\u7684\u771f\u5b9e\u5730\u5740\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
            \"\"<\/figure>\n\n\n\n
            \u5f53\u6267\u884c\u5230PersonCrossTest()\u65b9\u6cd5\u65f6\uff0c\u56e0\u4e3a\u65b9\u6cd5\u5185\u6709\u8fd9\u4e48\u4e00\u884c\u4ee3\u7801\uff1aperson=new Person();<\/p>\n\n\n\n
            JVM\u9700\u8981\u5728\u5806\u5185\u53e6\u5916\u5f00\u8f9f\u4e00\u5757\u5185\u5b58\u6765\u5b58\u50a8new Person()\uff0c\u5047\u5982\u5730\u5740\u4e3a\u201cxo3333\u201d\uff0c\u90a3\u6b64\u65f6\u5f62\u53c2person\u6307\u5411\u4e86\u8fd9\u4e2a\u5730\u5740\uff0c\u5047\u5982\u771f\u7684\u662f\u5f15\u7528\u4f20\u9012\uff0c\u90a3\u4e48\u7531\u4e0a\u9762\u8bb2\u5230\uff1a\u5f15\u7528\u4f20\u9012\u4e2d\u5f62\u53c2\u5b9e\u53c2\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5f62\u53c2\u7684\u64cd\u4f5c\u4f1a\u6539\u53d8\u5b9e\u53c2\u5bf9\u8c61\u7684\u6539\u53d8<\/strong>\u3002<\/p>\n\n\n\n
            \u53ef\u4ee5\u63a8\u51fa\uff1a\u5b9e\u53c2\u4e5f\u5e94\u8be5\u6307\u5411\u4e86\u65b0\u521b\u5efa\u7684person\u5bf9\u8c61\u7684\u5730\u5740\uff0c\u6240\u4ee5\u5728\u6267\u884cPersonCrossTest()\u7ed3\u675f\u4e4b\u540e\uff0c\u6700\u7ec8\u8f93\u51fa\u7684\u5e94\u8be5\u662f\u540e\u9762\u521b\u5efa\u7684\u5bf9\u8c61\u5185\u5bb9\u3002<\/p>\n\n\n\n
            \u7136\u800c\u5b9e\u9645\u4e0a\uff0c\u6700\u7ec8\u7684\u8f93\u51fa\u7ed3\u679c\u5374\u8ddf\u6211\u4eec\u63a8\u6d4b\u7684\u4e0d\u4e00\u6837\uff0c\u6700\u7ec8\u8f93\u51fa\u7684\u4ecd\u7136\u662f\u4e00\u5f00\u59cb\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n
            \u7531\u6b64\u53ef\u89c1\uff1a\u5f15\u7528\u4f20\u9012\uff0c\u5728Java\u4e2d\u5e76\u4e0d\u5b58\u5728\u3002<\/strong><\/p>\n\n\n\n
            \u4f46\u662f\u6709\u4eba\u4f1a\u7591\u95ee\uff1a\u4e3a\u4ec0\u4e48\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5728\u65b9\u6cd5\u5185\u4fee\u6539\u4e86\u5f62\u53c2\u7684\u5185\u5bb9\uff0c\u4f1a\u5bfc\u81f4\u539f\u59cb\u5bf9\u8c61\u7684\u5185\u5bb9\u53d1\u751f\u6539\u53d8\u5462\uff1f<\/p>\n\n\n\n
            \u8fd9\u662f\u56e0\u4e3a\uff1a\u65e0\u8bba\u662f\u57fa\u672c\u7c7b\u578b\u548c\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u5728\u5b9e\u53c2\u4f20\u5165\u5f62\u53c2\u65f6\uff0c\u90fd\u662f\u503c\u4f20\u9012\uff0c\u4e5f\u5c31\u662f\u8bf4\u4f20\u9012\u7684\u90fd\u662f\u4e00\u4e2a\u526f\u672c\uff0c\u800c\u4e0d\u662f\u5185\u5bb9\u672c\u8eab\u3002<\/strong><\/p>\n\n\n\n
            \"\"<\/figure>\n\n\n\n
            \u6709\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u65b9\u6cd5\u5185\u7684\u5f62\u53c2person\u548c\u5b9e\u53c2p\u5e76\u65e0\u5b9e\u8d28\u5173\u8054\uff0c\u5b83\u53ea\u662f\u7531p\u5904copy\u4e86\u4e00\u4efd\u6307\u5411\u5bf9\u8c61\u7684\u5730\u5740\uff0c\u6b64\u65f6\uff1a<\/p>\n\n\n\n
            p\u548cperson\u90fd\u662f\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61<\/strong>\u3002<\/p>\n\n\n\n
            \u56e0\u6b64\u5728\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5bf9\u5f62\u53c2p\u7684\u64cd\u4f5c\uff0c\u4f1a\u5f71\u54cd\u5230\u5b9e\u53c2\u5bf9\u5e94\u7684\u5bf9\u8c61\u5185\u5bb9\u3002\u800c\u5728\u7b2c\u4e8c\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53\u6267\u884c\u5230new Person()\u4e4b\u540e\uff0cJVM\u5728\u5806\u5185\u5f00\u8f9f\u4e00\u5757\u7a7a\u95f4\u5b58\u50a8\u65b0\u5bf9\u8c61\uff0c\u5e76\u4e14\u628aperson\u6539\u6210\u6307\u5411\u65b0\u5bf9\u8c61\u7684\u5730\u5740\uff0c\u6b64\u65f6\uff1a<\/p>\n\n\n\n
            p\u4f9d\u65e7\u662f\u6307\u5411\u65e7\u7684\u5bf9\u8c61\uff0cperson\u6307\u5411\u65b0\u5bf9\u8c61\u7684\u5730\u5740\u3002<\/strong><\/p>\n\n\n\n
            \u6240\u4ee5\u6b64\u65f6\u5bf9person\u7684\u64cd\u4f5c\uff0c\u5b9e\u9645\u4e0a\u662f\u5bf9\u65b0\u5bf9\u8c61\u7684\u64cd\u4f5c\uff0c\u4e8e\u5b9e\u53c2p\u4e2d\u5bf9\u5e94\u7684\u5bf9\u8c61\u6beb\u65e0\u5173\u7cfb<\/strong>\u3002<\/p>\n\n\n\n
            \u7ed3\u8bed<\/h3>\n\n\n\n
            \u56e0\u6b64\u53ef\u89c1\uff1a\u5728Java\u4e2d\u6240\u6709\u7684\u53c2\u6570\u4f20\u9012\uff0c\u4e0d\u7ba1\u57fa\u672c\u7c7b\u578b\u8fd8\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u90fd\u662f\u503c\u4f20\u9012\uff0c\u6216\u8005\u8bf4\u662f\u526f\u672c\u4f20\u9012\u3002
            \u53ea\u662f\u5728\u4f20\u9012\u8fc7\u7a0b\u4e2d\uff1a<\/p>\n\n\n\n
            \u5982\u679c\u662f\u5bf9\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\uff0c\u7531\u4e8e\u539f\u59cb\u5185\u5bb9\u548c\u526f\u672c\u90fd\u662f\u5b58\u50a8\u5b9e\u9645\u503c\uff0c\u5e76\u4e14\u662f\u5728\u4e0d\u540c\u7684\u6808\u533a\uff0c\u56e0\u6b64\u5f62\u53c2\u7684\u64cd\u4f5c\uff0c\u4e0d\u5f71\u54cd\u539f\u59cb\u5185\u5bb9\u3002<\/strong><\/p>\n\n\n\n
            \u5982\u679c\u662f\u5bf9\u5f15\u7528\u7c7b\u578b\u7684\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\uff0c\u5206\u4e24\u79cd\u60c5\u51b5\uff0c\u4e00\u79cd\u662f\u5f62\u53c2\u548c\u5b9e\u53c2\u4fdd\u6301\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\u5730\u5740\uff0c\u5219\u5f62\u53c2\u7684\u64cd\u4f5c\uff0c\u4f1a\u5f71\u54cd\u5b9e\u53c2\u6307\u5411\u7684\u5bf9\u8c61\u7684\u5185\u5bb9\u3002\u4e00\u79cd\u662f\u5f62\u53c2\u88ab\u6539\u52a8\u6307\u5411\u65b0\u7684\u5bf9\u8c61\u5730\u5740\uff08\u5982\u91cd\u65b0\u8d4b\u503c\u5f15\u7528\uff09\uff0c\u5219\u5f62\u53c2\u7684\u64cd\u4f5c\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5b9e\u53c2\u6307\u5411\u7684\u5bf9\u8c61\u7684\u5185\u5bb9\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
            .JVM\u5185\u5b58\u7684\u5212\u5206\u53ca\u804c\u80fdJava...<\/p>\n","protected":false},"author":1,"featured_media":446,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[147,148],"_links":{"self":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts\/445"}],"collection":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=445"}],"version-history":[{"count":1,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts\/445\/revisions"}],"predecessor-version":[{"id":456,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts\/445\/revisions\/456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/media\/446"}],"wp:attachment":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}