{"id":54195,"date":"2023-09-18T22:18:29","date_gmt":"2023-09-18T14:18:29","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=54195"},"modified":"2023-09-18T22:18:30","modified_gmt":"2023-09-18T14:18:30","slug":"java%e4%b8%ba%e4%bb%80%e4%b9%88%e6%89%be%e4%b8%8d%e5%88%b0%e6%88%96%e6%97%a0%e6%b3%95%e5%8a%a0%e8%bd%bd%e4%b8%bb%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/54195.html","title":{"rendered":"java\u4e3a\u4ec0\u4e48\u627e\u4e0d\u5230\u6216\u65e0\u6cd5\u52a0\u8f7d\u4e3b\u7c7b"},"content":{"rendered":"\n
\n

\u5f53\u4f7f\u7528Java\u8fd0\u884c\u7a0b\u5e8f\u65f6\uff0c\u5f00\u53d1\u8005\u7ecf\u5e38\u9047\u5230\u201c\u627e\u4e0d\u5230\u6216\u65e0\u6cd5\u52a0\u8f7d\u4e3b\u7c7b\u201d\u7684\u9519\u8bef\u3002\u8fd9\u4e00\u95ee\u9898\u901a\u5e38\u7531\u4ee5\u4e0b\u539f\u56e0\u5f15\u53d1\uff1a1.\u7c7b\u8def\u5f84\u8bbe\u7f6e\u95ee\u9898\uff1b2.\u7c7b\u7684\u5305\u7ed3\u6784\u4e0d\u5339\u914d\uff1b3.\u9519\u8bef\u7684\u4e3b\u7c7b\u540d\u79f0\u6216\u547d\u4ee4\u884c\u53c2\u6570\uff1b4.\u7f16\u8bd1\u95ee\u9898\u5bfc\u81f4\u7684\u7c7b\u6587\u4ef6\u4e22\u5931\uff1b5.JVM\u548cJDK\u7248\u672c\u4e0d\u5339\u914d\u7b49\u3002\u6df1\u5165\u4e86\u89e3\u8fd9\u4e9b\u539f\u56e0\u6709\u52a9\u4e8e\u6709\u6548\u89e3\u51b3\u8be5\u95ee\u9898\u3002<\/p>\n<\/blockquote>\n\n\n

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

1.\u7c7b\u8def\u5f84\u8bbe\u7f6e\u95ee\u9898<\/h2>\n\n\n\n

\u5f53Java\u8fd0\u884c\u65f6\u73af\u5883\u8bd5\u56fe\u52a0\u8f7d\u4e00\u4e2a\u7c7b\u4f46\u5728\u7c7b\u8def\u5f84\u4e2d\u627e\u4e0d\u5230\u5b83\u65f6\uff0c\u901a\u5e38\u4f1a\u51fa\u73b0\u6b64\u9519\u8bef\u3002\u7c7b\u8def\u5f84\u662fJava\u7528\u6765\u67e5\u627e\u5b57\u8282\u7801\u6587\u4ef6(.class)\u7684\u8def\u5f84\u3002\u5982\u679c\u7c7b\u8def\u5f84\u6ca1\u6709\u6b63\u786e\u8bbe\u7f6e\uff0c\u6216\u8005\u7f3a\u5c11\u67d0\u4e2a\u5fc5\u8981\u7684\u8def\u5f84\uff0c\u90a3\u4e48Java\u5c31\u65e0\u6cd5\u52a0\u8f7d\u4e3b\u7c7b\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff0c\u786e\u4fdd\u4f60\u7684-cp\u6216-classpath\u53c2\u6570\u6b63\u786e\u8bbe\u7f6e\uff0c\u6216\u8005\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u6765\u8bbe\u7f6e\u9ed8\u8ba4\u7c7b\u8def\u5f84\u3002<\/p>\n\n\n\n

2.\u7c7b\u7684\u5305\u7ed3\u6784\u4e0d\u5339\u914d<\/h2>\n\n\n\n

Java\u7684\u5305\u7ed3\u6784\u662f\u7ec4\u7ec7\u4ee3\u7801\u7684\u65b9\u5f0f\u3002\u5982\u679c\u4f60\u7684\u6e90\u4ee3\u7801\u5305\u542bpackage\u58f0\u660e\uff0c\u90a3\u4e48\u7f16\u8bd1\u540e\u7684.class\u6587\u4ef6\u7684\u4f4d\u7f6e\u5fc5\u987b\u4e0e\u58f0\u660e\u7684\u5305\u7ed3\u6784\u5339\u914d\u3002\u5982\u679c\u76ee\u5f55\u7ed3\u6784\u4e0e\u5305\u58f0\u660e\u4e0d\u5339\u914d\uff0cJava\u8fd0\u884c\u65f6\u4f1a\u627e\u4e0d\u5230\u4e3b\u7c7b\u3002<\/p>\n\n\n\n

3.\u9519\u8bef\u7684\u4e3b\u7c7b\u540d\u79f0\u6216\u547d\u4ee4\u884c\u53c2\u6570<\/h2>\n\n\n\n

\u5f53\u4f7f\u7528java\u547d\u4ee4\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u5fc5\u987b\u63d0\u4f9b\u6b63\u786e\u7684\u4e3b\u7c7b\u540d\u3002\u5982\u679c\u4e3b\u7c7b\u540d\u62fc\u5199\u9519\u8bef\u6216\u5927\u5c0f\u5199\u4e0d\u5339\u914d\uff0c\u4f1a\u5f15\u53d1\u6b64\u9519\u8bef\u3002\u540c\u65f6\uff0c\u786e\u4fdd\u4f60\u6ca1\u6709\u5305\u62ec\u201c.class\u201d\u6269\u5c55\u540d\u6216\u9519\u8bef\u7684\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/p>\n\n\n\n

4.\u7f16\u8bd1\u95ee\u9898\u5bfc\u81f4\u7684\u7c7b\u6587\u4ef6\u4e22\u5931<\/h2>\n\n\n\n

\u6709\u65f6\u5019\uff0c\u7531\u4e8e\u7f16\u8bd1\u9519\u8bef\u6216\u5176\u4ed6\u5916\u90e8\u56e0\u7d20\uff0c.class\u6587\u4ef6\u53ef\u80fd\u4f1a\u88ab\u5220\u9664\u6216\u635f\u574f\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5373\u4f7f\u4f60\u7684\u7c7b\u8def\u5f84\u8bbe\u7f6e\u6b63\u786e\uff0cJava\u4e5f\u53ef\u80fd\u627e\u4e0d\u5230\u4e3b\u7c7b\u3002\u786e\u4fdd\u6bcf\u6b21\u4fee\u6539\u4ee3\u7801\u540e\u90fd\u8fdb\u884c\u91cd\u65b0\u7f16\u8bd1\uff0c\u5e76\u68c0\u67e5\u7f16\u8bd1\u662f\u5426\u6210\u529f\u3002<\/p>\n\n\n\n

5.JVM\u548cJDK\u7248\u672c\u4e0d\u5339\u914d<\/h2>\n\n\n\n

\u4f7f\u7528\u4e00\u4e2a\u7248\u672c\u7684JDK\u7f16\u8bd1\u7684\u4ee3\u7801\u53ef\u80fd\u5728\u53e6\u4e00\u4e2a\u7248\u672c\u7684JVM\u4e0a\u8fd0\u884c\u5931\u8d25\u3002\u4f8b\u5982\uff0c\u4f7f\u7528JDK 11\u7f16\u8bd1\u7684\u4ee3\u7801\u53ef\u80fd\u65e0\u6cd5\u5728JVM 8\u4e0a\u8fd0\u884c\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u79cd\u95ee\u9898\uff0c\u786e\u4fdd\u7f16\u8bd1\u548c\u8fd0\u884c\u4ee3\u7801\u7684Java\u7248\u672c\u662f\u517c\u5bb9\u7684\u3002<\/p>\n\n\n\n

\n\n\n\n

\u5e38\u89c1\u95ee\u7b54<\/strong><\/h2>\n\n\n\n
\n
    \n
  • \u95ee\uff1a \u5728\u8bbe\u7f6e\u4e86\u7c7b\u8def\u5f84\u540e\uff0c\u6211\u4ecd\u7136\u6536\u5230\u201c\u627e\u4e0d\u5230\u6216\u65e0\u6cd5\u52a0\u8f7d\u4e3b\u7c7b\u201d\u7684\u9519\u8bef\u3002\u4e3a\u4ec0\u4e48\uff1f<\/strong><\/li>\n\n\n\n
  • \u7b54\uff1a<\/strong> \u5373\u4f7f\u8bbe\u7f6e\u4e86\u7c7b\u8def\u5f84\uff0c\u8fd8\u9700\u8981\u786e\u4fdd\u7c7b\u6587\u4ef6\u7684\u4f4d\u7f6e\u4e0e\u5176package\u58f0\u660e\u4e2d\u7684\u8def\u5f84\u5339\u914d\u3002\u6b64\u5916\uff0c\u68c0\u67e5\u7c7b\u8def\u5f84\u662f\u5426\u5305\u542b\u6240\u6709\u5fc5\u8981\u7684\u5e93\u548c\u4f9d\u8d56\u9879\uff0c\u4ee5\u53ca\u662f\u5426\u6b63\u786e\u5730\u6307\u5411\u4e86\u4e3b\u7c7b\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<\/div>\n\n\n\n
    \n
      \n
    • \u95ee\uff1a \u6211\u6b63\u5728\u4f7f\u7528IDE\uff08\u5982Eclipse\u6216IntelliJ IDEA\uff09\u8fd0\u884cJava\u7a0b\u5e8f\u3002\u6211\u5e94\u8be5\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1f<\/strong><\/li>\n\n\n\n
    • \u7b54\uff1a<\/strong> IDE\u901a\u5e38\u4f1a\u81ea\u52a8\u4e3a\u4f60\u7ba1\u7406\u7c7b\u8def\u5f84\u548c\u7f16\u8bd1\u8bbe\u7f6e\u3002\u5982\u679c\u5728IDE\u4e2d\u9047\u5230\u6b64\u95ee\u9898\uff0c\u5c1d\u8bd5\u6e05\u7406\u5e76\u91cd\u65b0\u6784\u5efa\u9879\u76ee\uff0c\u786e\u4fdd\u9879\u76ee\u7684\u914d\u7f6e\u8bbe\u7f6e\u662f\u6b63\u786e\u7684\uff0c\u5e76\u68c0\u67e5\u6e90\u4ee3\u7801\u7684\u5305\u7ed3\u6784\u662f\u5426\u4e0e\u6587\u4ef6\u7cfb\u7edf\u7684\u76ee\u5f55\u7ed3\u6784\u5339\u914d\u3002<\/li>\n<\/ul>\n<\/div>\n\n\n\n
      \n
        \n
      • \u95ee\uff1a \u5982\u679c\u6211\u7684JVM\u548cJDK\u7248\u672c\u4e0d\u5339\u914d\uff0c\u6211\u5e94\u8be5\u600e\u4e48\u529e\uff1f<\/strong><\/li>\n\n\n\n
      • \u7b54\uff1a<\/strong> \u6700\u4f73\u7684\u505a\u6cd5\u662f\u786e\u4fdd\u7f16\u8bd1\u548c\u8fd0\u884cJava\u7a0b\u5e8f\u7684\u7248\u672c\u662f\u517c\u5bb9\u7684\u3002\u4f60\u53ef\u4ee5\u8003\u8651\u5b89\u88c5\u4e00\u4e2a\u4e0e\u7f16\u8bd1\u7248\u672c\u5339\u914d\u7684JVM\uff0c\u6216\u8005\u4f7f\u7528-source\u548c-target\u9009\u9879\u91cd\u65b0\u7f16\u8bd1\u4ee3\u7801\u4ee5\u9002\u5e94\u76ee\u6807JVM\u7684\u7248\u672c\u3002<\/li>\n<\/ul>\n<\/div>\n\n\n\n
        \n
          \n
        • \u95ee\uff1a \u6211\u5728\u547d\u4ee4\u884c\u4e2d\u6b63\u786e\u5730\u6307\u5b9a\u4e86\u4e3b\u7c7b\u540d\u79f0\uff0c\u4f46\u4ecd\u7136\u6536\u5230\u6b64\u9519\u8bef\u3002\u53ef\u80fd\u662f\u4ec0\u4e48\u539f\u56e0\uff1f<\/strong><\/li>\n\n\n\n
        • \u7b54\uff1a<\/strong> \u786e\u4fdd\u4f60\u6ca1\u6709\u5728\u4e3b\u7c7b\u540d\u79f0\u4e2d\u5305\u62ec\u201c.class\u201d\u6269\u5c55\u540d\u3002\u6b64\u5916\uff0c\u786e\u4fdd\u4f60\u7684\u4e3b\u7c7b\u4e2d\u786e\u5b9e\u6709public static void main(String[] args)\u65b9\u6cd5\uff0c\u5e76\u68c0\u67e5\u7c7b\u8def\u5f84\u662f\u5426\u6b63\u786e\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<\/div>\n\n\n\n
          \n
            \n
          • \u95ee\uff1a \u5982\u4f55\u786e\u5b9a\u6211\u5f53\u524d\u7684JVM\u548cJDK\u7248\u672c\uff1f<\/strong><\/li>\n\n\n\n
          • \u7b54\uff1a<\/strong> \u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528java -version\u548cjavac -version\u547d\u4ee4\u6765\u5206\u522b\u68c0\u67e5JVM\u548cJDK\u7684\u7248\u672c\u3002<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"\u5f53\u4f7f\u7528Java\u8fd0\u884c\u7a0b\u5e8f\u65f6\uff0c\u5f00\u53d1\u8005\u7ecf\u5e38\u9047\u5230\u201c\u627e\u4e0d\u5230\u6216\u65e0\u6cd5\u52a0\u8f7d\u4e3b\u7c7b\u201d\u7684\u9519\u8bef\u3002\u8fd9\u4e00\u95ee\u9898\u901a\u5e38\u7531\u4ee5\u4e0b\u539f\u56e0\u5f15\u53d1\uff1a1.\u7c7b\u8def\u5f84\u8bbe\u7f6e\u95ee\u9898\uff1b2.\u7c7b\u7684\u5305\u7ed3\u6784\u4e0d\u5339\u914d\uff1b3.\u9519\u8bef\u7684\u4e3b\u7c7b\u540d\u79f0\u6216\u547d\u4ee4\u884c\u53c2\u6570\uff1b4.\u7f16\u8bd1\u95ee\u9898\u5bfc\u81f4\u7684\u7c7b\u6587\u4ef6\u4e22 ...","protected":false},"author":8,"featured_media":54196,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/54195"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=54195"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/54195\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/54196"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=54195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=54195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=54195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}