{"id":1377,"date":"2023-06-27T13:54:39","date_gmt":"2023-06-27T05:54:39","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1377"},"modified":"2023-06-27T13:54:39","modified_gmt":"2023-06-27T05:54:39","slug":"%e9%80%81%e7%bb%99go%e5%bc%80%e5%8f%91%e8%80%85%e7%9a%84java%e5%9f%ba%e7%a1%80%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/%e9%80%81%e7%bb%99go%e5%bc%80%e5%8f%91%e8%80%85%e7%9a%84java%e5%9f%ba%e7%a1%80%e6%95%99%e7%a8%8b\/","title":{"rendered":"\u9001\u7ed9Go\u5f00\u53d1\u8005\u7684Java\u57fa\u7840\u6559\u7a0b"},"content":{"rendered":"
\n

<\/p>\n

\u524d\u8a00<\/span><\/h2>\n

\u672c\u7ae0\u8282\u4e3b\u8981\u8bb2\u8ff0java\u7684\u4e00\u4e9b\u57fa\u7840\u8bed\u6cd5\uff0c\u6bd4\u5982\u5e38\u89c1\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6d41\u7a0b\u63a7\u5236\u8bed\u53e5\uff0c\u7c7b\u7684\u4e00\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u548c\u5feb\u901f\u5165\u95e8\u3002\u5982\u679c\u4f60\u5df2\u7ecf\u5bf9jav\u5f88\u719f\u6089\u4e86\uff0c\u53ef\u4ee5\u8df3\u8fc7\u672c\u7ae0\u8282\u7684\u5185\u5bb9\u3002<\/p>\n

java\u7b80\u5355\u4ecb\u7ecd<\/span><\/h3>\n

Java\u662f\u4e00\u95e8\u9762\u5411\u5bf9\u8c61<\/span> \u7f16\u7a0b\u8bed\u8a00, Javas\u662f\u9759\u6001\u8bed\u8a00\u3002Java\u5177\u6709\u7b80\u5355\u6027\u3001\u9762\u5411\u5bf9\u8c61\u3001\u5206\u5e03\u5f0f\u3001\u5065\u58ee\u6027\u3001\u5b89\u5168\u6027\u3001\u5e73\u53f0\u72ec\u7acb\u4e0e\u53ef\u79fb\u690d\u6027\u3001\u591a\u7ebf\u7a0b\u3001\u52a8\u6001\u6027\u7b49\u7279\u70b9\u3002Java\u53ef\u4ee5\u7f16\u5199\u684c\u9762\u5e94\u7528\u7a0b\u5e8f\u3001Web\u5e94\u7528\u7a0b\u5e8f\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5e94\u7528\u7a0b\u5e8f\u7b49\u3002<\/p>\n

\u8fd9\u91cc\u7b80\u5355\u8bf4\u4e00\u4e0b\u4ec0\u4e48\u662f\u9759\u6001\u8bed\u8a00\uff0c\u4ec0\u4e48\u662f\u52a8\u6001\u8bed\u8a00\uff1f<\/p>\n

    \n
  • \n
    \n

    \u9759\u6001\u8bed\u8a00,\u6bd4\u5982java\u5b83\u9700\u8981\u7f16\u8bd1\u6210\u673a\u5668\u7801\uff0c\u624d\u80fd\u591f\u88ab\u8ba1\u7b97\u8bc6\u522b\u53ef\u8fd0\u884c\uff0c\u56e0\u4e3a\u8ba1\u7b97\u673a\u53ea\u80fd\u770b\u61c2\u4e8c\u8fdb\u5236\u3002<\/p>\n<\/section>\n<\/li>\n

  • \n
    \n

    \u52a8\u6001\u8bed\u8a00\uff0c\u4e0d\u9700\u8981\u6211\u4eec\u624b\u52a8\u53bb\u7f16\u8bd1\uff0c\u5b83\u53ef\u4ee5\u76f4\u63a5\u53bb\u8fd0\u884c\u6211\u4eec\u7684\u4ee3\u7801\u6587\u4ef6\uff0c\u6bd4\u8f83\u5178\u578b\u7684python,js\u8fd9\u79cd\u811a\u672c\u8bed\u8a00\u3002<\/p>\n<\/section>\n<\/li>\n<\/ul>\n

    \u5176\u5b9e\u52a8\u6001\u8bed\u8a00\u5b83\u672c\u8eab\u5185\u7f6e\u4e86\u4e00\u4e2a\u89e3\u91ca\u5668\uff0c\u5b83\u901a\u8fc7\u89e3\u91ca\u5668\u53bb\u5b8c\u6210\u6211\u4eec\u7684\u7f16\u8bd1\u5de5\u4f5c\uff0c\u6240\u4ee5\u6211\u4eec\u611f\u77e5\u4e0d\u5230\u3002<\/p>\n

    \u6240\u8c13\u5de5\u6b32\u5584\u5176\u4e8b\uff0c\u5fc5\u5148\u5229\u5176\u5668\uff0c\u9009\u62e9\u597d\u7684\u5f00\u53d1\u5de5\u5177\uff0c\u80fd\u63d0\u5347\u6211\u4eec\u7684\u5f00\u53d1\u4f53\u9a8c\u3002\u5efa\u8bae\u5927\u5bb6\u4f7f\u7528 jetbrains\u7684 idea<\/span> \u5f00\u53d1\u5de5\u5177\u6765\u5f00\u53d1java\u5e94\u7528, \u76ee\u524d\u5927\u90e8\u5206\u5f00\u53d1\u8005\u90fd\u4f1a\u9009\u62e9\u4f7f\u7528\u5b83\uff0c\u975e\u5e38\u7684\u65b9\u4fbf\uff0c \u540e\u8fb9\u6211\u4f1a\u51fa\u4e00\u7bc7\u6587\u7ae0\u4e13\u95e8\u6765\u8bb2\u4e00\u4e0b\uff0c\u5982\u4f55\u914d\u7f6e\u6211\u4eec\u7684idea\u5de5\u5177\uff0c\u4f7f\u5f97\u5b83\u66f4\u52a0\u5f3a\u5927\u3002<\/p>\n

    \u4e0b\u8f7didea<\/span><\/h3>\n

    \u8fdb\u5165\u5b98\u7f51\u540e\uff0c\u76f4\u63a5\u70b9\u51fb download<\/span> \u8fdb\u884c\u4e0b\u8f7d,\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u5224\u65ad\u4f60\u7684\u5f53\u524d\u64cd\u4f5c\u7cfb\u7edf\uff0c\u9009\u62e9 Ultimate\u7248\u672c<\/span>,\u53e6\u4e00\u4e2a\u7248\u672c\u662f\u793e\u533a\u7248\uff0c\u6211\u4eec\u9009\u62e9\u4e13\u4e1a\u7248\u3002\u4e0b\u8f7d\u5b8c\u6210\u540e\u70b9\u51fb\u5b89\u88c5\u3002<\/p>\n

    \u9ed8\u8ba4\u5b83\u662f\u4e00\u4e2a\u7eaf\u82f1\u6587\u7684\u754c\u9762\uff0c \u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5\u6c49\u5316\u63d2\u4ef6\uff0c\u70b9\u51fb \u8bbe\u7f6e -> \u63d2\u4ef6 -> \u641c\u7d22\uff08Chinese (Simplified) Language Pack \/ \u4e2d\u6587\u8bed\u8a00\u5305\uff09<\/span> \u8fdb\u884c\u5b89\u88c5\u5373\u53ef\uff0c \u91cd\u542f\u540e\u4f1a\u770b\u5230\u4e2d\u6587\u754c\u9762\u4e86\u3002<\/p>\n

    \u914d\u7f6eJDK<\/span><\/h3>\n

    \u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7idea\u6765\u4e0b\u8f7djdk\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7 \u5b98\u7f51<\/span> \u6765\u4e0b\u8f7d, \u8fd9\u91cc\u6211\u4eec\u4f7f\u7528idea\u6765\u4e0b\u8f7djdk, \u5b98\u7f51\u4e0b\u8f7d\u73b0\u5728\u597d\u50cf\u8981\u6ce8\u518c\u8d26\u53f7\u4e86\uff0c\u6709\u70b9\u5c0f\u9ebb\u70e6\u3002\u6253\u5f00idea\uff0c\u70b9\u51fb\u65b0\u5efa\u9879\u76ee, \u6211\u4eec\u9009\u62e9maven\u6765\u65b0\u5efa\u9879\u76ee, maven<\/code><\/span> \u662fjava\u7684\u4e00\u79cd\u5305\u7ba1\u7406\u5de5\u5177\uff0c\u80fd\u591f\u5f88\u65b9\u4fbf\u7684\u5e2e\u52a9\u6211\u4eec\u6784\u5efa\u9879\u76ee\uff0c\u6211\u4eec\u5f00\u53d1\u9879\u76ee\u53ef\u80fd\u4f1a\u5f15\u7528\u4e00\u4e9b\u6210\u719f\u7684\u7b2c\u4e09\u65b9\u5e93\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u5c31\u53ef\u4ee5\u7528\u7b80\u5355\u7684\u914d\u7f6e\u5c31\u53ef\u4ee5\u628a\u5e93\u5f15\u8fdb\u6765\uff0c\u60f3\u4e86\u89e3\u66f4\u591a\uff0c\u53ef\u4ee5\u5230\u5b83\u7684 \u5b98\u7f51<\/span> \u3002\u9009\u62e9\u597d\u4e86\u4ee5\u540e\uff0c\u8ddf\u7740\u4ee5\u4e0b\u6b65\u9aa4\u6765\u642d\u5efa\u6211\u4eec\u7684\u73af\u5883:<\/p>\n

      \n
    • \n
      \n

      \u70b9\u51fb\u9879\u76eesdk\uff0c \u8fd9\u65f6\u5019\u4f1a\u53d1\u73b0\u662f\u7a7a\u7684<\/p>\n<\/section>\n<\/li>\n

    • \n
      \n

      \u70b9\u51fb\u4e0b\u8f7djdk, \u7248\u672c\u6211\u4eec\u9009\u62e91.8, \u4f9b\u5e94\u5546\u6211\u4eec\u9009\u62e9 \u4e9a\u9a6c\u900a Corretto<\/code>, \u4f4d\u7f6e\u6211\u4eec\u53ef\u4ee5\u9ed8\u8ba4\u3002\u4e0b\u8f7d\u597d\u4e86\u4ee5\u540e\uff0c\u4f1a\u81ea\u52a8\u5e2e\u6211\u4eec\u9009\u62e9\u521a\u521a\u4e0b\u8f7d\u7684jdk<\/p>\n<\/section>\n<\/li>\n

    • \n
      \n

      \u70b9\u51fb\u4e0b\u4e00\u6b65\uff0c \u9879\u76ee\u540d\u548c\u9879\u76ee\u6240\u5728\u4f4d\u7f6e\u53ef\u4ee5\u81ea\u5b9a\u4e49\uff0c \u597d\u4e86\u4ee5\u540e\u70b9\u51fb\u5b8c\u6210\uff0c\u4f1a\u81ea\u52a8\u6253\u5f00\u9879\u76ee<\/p>\n<\/section>\n<\/li>\n<\/ul>\n

      \u76ee\u5f55\u7ed3\u6784\u8bf4\u660e<\/h4>\n
        \n
      • \n
        \n

        pom.xml<\/span> \u8fd9\u4e2a\u6587\u4ef6\u5b58\u5728\u4e8e\u6839\u76ee\u5f55\uff0c \u4e3b\u8981\u7528\u4e8e\u914d\u7f6emaven\u7684\u6784\u5efa\u4fe1\u606f\uff0c\u5b66\u4e60\u57fa\u7840\u90e8\u5206\uff0c\u6211\u4eec\u53ef\u4ee5\u6682\u65f6\u4e0d\u7528\u7ba1\u5b83\u3002<\/p>\n<\/section>\n<\/li>\n

      • \n
        \n

        src<\/span> \u8fd9\u4e2a\u76ee\u5f55\u4e3b\u8981\u7528\u4e8e\u653e\u6211\u4eec\u7f16\u5199\u7684\u6e90\u7801\uff0c\u4e0b\u8fb9\u6709\u4e00\u4e2ajava \u548c resource \u7684\u76ee\u5f55\uff0cjava\u5b58\u653e\u6211\u4eec\u7684\u4ee3\u7801\uff0cresource\u4e3b\u8981\u653e\u4e00\u4e9b\u8d44\u6e90\uff0c\u6bd4\u5982\u914d\u7f6e\u6587\u4ef6\u8fd9\u4e9b\uff0c\u6682\u65f6\u53ef\u4ee5\u4e0d\u7528\u7ba1\u5b83\u3002<\/p>\n<\/section>\n<\/li>\n<\/ul>\n

        \u4e3a\u4e86\u89c4\u8303\uff0c\u8fd9\u4e9b\u76ee\u5f55\u548c\u6587\u4ef6\u4e0d\u8981\u53bb\u91cd\u547d\u540d\u6216\u8005\u5176\u5b83\u66f4\u6539\uff0c \u5982\u679c\u6539\u52a8\uff0c idea\u5df2\u7ecf\u8db3\u591f\u667a\u80fd\u63d0\u9192\u6211\u4eec\u4e0d\u8981\u4e71\u6539\u547d\u540d\u3002<\/p>\n

        JDK\u662f\u4ec0\u4e48\uff1f<\/span><\/h3>\n

        jdk\uff08Java Development Kit\uff09<\/span>\uff0c\u4ece\u5b57\u9762\u610f\u601d\u7ffb\u8bd1\u8fc7\u6765\u5c31\u662fjava\u5f00\u53d1\u7684\u5de5\u5177\u3002\u6253\u4e2a\u6bd4\u55bb\uff0c\u6211\u4eec\u6253\u6e38\u620f\u4e4b\u524d\u9700\u8981\u5b89\u88c5\u4e00\u4e2a\u8f6f\u4ef6\uff0c\u7136\u540e\u6211\u4eec\u624d\u80fd\u6253\u5f00\u548c\u64cd\u4f5c\u5b83\u3002\u90a3\u4e48jdk\u4f60\u4e5f\u53ef\u4ee5\u7406\u89e3\u662f\u4e00\u4e2a\u8f6f\u4ef6\uff0c\u5b83\u7528\u6765\u5e2e\u52a9\u6211\u4eec\u7f16\u5199\u4ee3\u7801\u3002\u8fd9\u91cc\u8fd8\u597d\u5f15\u7533\u53e6\u5916\u4e24\u4e2a\u540d\u8bcd\uff0c JRE\u548cJVM\u3002<\/p>\n

        JRE<\/span> \u987e\u540d\u601d\u4e49\u662fjava\u8fd0\u884c\u65f6\u73af\u5883\uff0c\u5305\u542b\u4e86java\u865a\u62df\u673a\uff0cjava\u57fa\u7840\u7c7b\u5e93\u3002\u662f\u4f7f\u7528java\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f\u8fd0\u884c\u6240\u9700\u8981\u7684\u8f6f\u4ef6\u73af\u5883\uff0c\u662f\u63d0\u4f9b\u7ed9\u60f3\u8fd0\u884cjava\u7a0b\u5e8f\u7684\u7528\u6237\u4f7f\u7528\u7684\u3002JDK\u5305\u542b\u4e86JRE\uff0c\u540c\u65f6\u8fd8\u5305\u542b\u4e86\u7f16\u8bd1java\u6e90\u7801\u7684\u7f16\u8bd1\u5668javac\u3002JRE\u6839\u636e\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf, \u63d0\u4f9b\u4e0d\u540c\u7684\u8fd0\u884c\u65f6\u73af\u5883\uff0c\u6240\u4ee5java\u5b83\u4e5f\u662f\u8de8\u5e73\u53f0\u7684\u8bed\u8a00\u3002<\/p>\n

        JVM\u662fJava Virtual Machine(Java\u865a\u62df\u673a)<\/span> \u7684\u7f29\u5199\u3002\u5b83\u662fjava\u8fd0\u884c\u73af\u5883\u7684\u4e00\u90e8\u5206\uff0c\u662f\u4e00\u4e2a\u865a\u6784\u51fa\u6765\u7684\u8ba1\u7b97\u673a\uff0c\u5b83\u662f\u901a\u8fc7\u5728\u5b9e\u9645\u7684\u8ba1\u7b97\u673a\u4e0a\u4eff\u771f\u6a21\u62df\u5404\u79cd\u8ba1\u7b97\u673a\u529f\u80fd\u6765\u5b9e\u73b0\u7684\u3002JVM\u662f\u7528\u6765\u89e3\u6790\u548c\u8fd0\u884cJava\u7a0b\u5e8f\u7684\u3002<\/p>\n

        hello world<\/span><\/h3>\n

        \u6211\u60f3\u8981\u8f93\u51fa\u4e00\u53e5 \u201d\u4f60\u597d\uff0c \u61a8\u61a8\u201c\uff0c \u600e\u4e48\u641e? \u8fd9\u5c31\u5b89\u6392\u3002\u9996\u5148\u5728java\u76ee\u5f55\u65b0\u5efa\u4e00\u4e2a\u6587\u4ef6\uff0c\u4e00\u4e2a\u7a0b\u5e8f\u8981\u8dd1\u8d77\u6765\uff0c\u9996\u5148\u8981\u6709\u5165\u53e3\uff0c \u8fd9\u4e2a\u5165\u53e3\u5c31\u662f\u4e00\u4e2amain\u65b9\u6cd5\uff0c\u5728java\u4e2d\uff0c\u9700\u8981\u5199\u5728\u7c7b\u4e2d\uff1a<\/p>\n

        <\/span>public<\/span> class<\/span> BaseMain<\/span> <\/span>{
           public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> <\/span>{
              System.out.println(\"\u4f60\u597d\uff0c \u61a8\u61a8\"<\/span>);
           }
        }
        <\/code><\/pre>\n
        \u70b9\u51fb\u7eff\u8272\u7684\u7bad\u5934\u5c31\u53ef\u4ee5\u8fd0\u884c\u4e86\uff0c\u56e0\u4e3aidea\u5df2\u7ecf\u5e2e\u6211\u4eec\u628a\u73af\u5883\u57fa\u7840\u8d77\u6765\u4e86\uff0c\u6240\u4ee5\u76f4\u63a5run<\/p>\n
        \u4e3a\u4e86\u540e\u7eed\u65b9\u4fbf\u8c03\u8bd5\uff0c\u6211\u4eec\u5e38\u4f1a\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u4fe1\u606f\uff0c\u6240\u4ee5\u5728\u65b0\u5efa\u4e00\u4e2aLog\u7c7b\uff1a<\/p>\n
        <\/span>public<\/span> class<\/span> Log<\/span> <\/span>{
            public<\/span> static<\/span> void<\/span> info<\/span>(Object s)<\/span> <\/span>{
                System.out.println(s);
            }
        }
        <\/code><\/pre>\n
        \u7136\u540e\u4fee\u6539\u6211\u4eec\u7684main\u65b9\u6cd5, static\u4fee\u9970\u7684\u65b9\u6cd5\u53ef\u4ee5\u76f4\u63a5 \u7c7b\u540d + \u65b9\u6cd5\u540d\u53bb\u8c03\u7528:<\/p>\n
        <\/span>public<\/span> class<\/span> BaseMain<\/span> <\/span>{
           public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> <\/span>{
              Log.info(\"\u4f60\u597d\uff0c \u61a8\u61a8\"<\/span>);
           }
        }
        <\/code><\/pre>\n
        \u597d\u4e86,\u4f60\u5b66\u5e9f\u4e86\u5417\uff1f
        \u57fa\u672c\u6570\u636e\u7c7b\u578b<\/span><\/h2>\n
        \u6570\u636e\u7c7b\u578b\uff0c\u987e\u540d\u601d\u4e49\u5c31\u662f\u6570\u636e\u7684\u7c7b\u578b\uff0c\u4ec0\u4e48\u662f\u6570\u636e\uff1f\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4f60\u5728\u4f7f\u7528\u7f51\u7ad9\u65f6\uff0c\u5bc6\u5bc6\u9ebb\u9ebb\u7684\u6587\u5b57\u548c\u56fe\u7247\u5c31\u662f\u6570\u636e\uff0c\u800c\u4ed6\u4eec\u7684\u8f7d\u4f53\uff0c\u6bd4\u5982\u6587\u5b57\u5b83\u5c31\u662f\u5b57\u7b26\u7c7b\u578b\uff0c\u6211\u4eec\u901a\u5e38\u53eb\u5b83\u4e3a\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u770b\u5230\u7684\u89c6\u9891\uff0c\u56fe\u7247\u8fd9\u79cd\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u901a\u5e38\u662fbyte\u7c7b\u578b\u3002\u6211\u4eec\u901a\u8fc7\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\u5728\u4e00\u8d77\u8ba1\u7b97\u4ea4\u4e92\uff0c\u6700\u7ec8\u5b9e\u73b0\u6211\u4eec\u7684\u7a0b\u5e8f\u3002<\/p>\n
        java\u6709 8<\/span> \u79cd\u6570\u636e\u7c7b\u578b,\u5206\u522b\u662f:<\/p>\n
          \n
        • \n
          boolean (1\/8\u4e2a\u5b57\u82821\u4f4d)<\/section>\n<\/li>\n
        • \n
          char (2\u4e2a\u5b57\u828216\u4f4d)<\/section>\n<\/li>\n
        • \n
          byte (1\u4e2a\u5b57\u82828\u4f4d)<\/section>\n<\/li>\n
        • \n
          short (2\u4e2a\u5b57\u828216\u4f4d)<\/section>\n<\/li>\n
        • \n
          int (4\u4e2a\u5b57\u828232\u4f4d)<\/section>\n<\/li>\n
        • \n
          long (8\u4e2a\u5b57\u828264\u4f4d)<\/section>\n<\/li>\n
        • \n
          float (4\u4e2a\u5b57\u828232\u4f4d)<\/section>\n<\/li>\n
        • \n
          double (8\u4e2a\u5b57\u828264\u4f4d)<\/section>\n<\/li>\n<\/ul>\n
          float \u4e0e double:<\/p>\n
          <\/span>
          \/\/ float a = 1.1; 1.1\u662f\u5b57\u9762\u91cf \u8fd9\u6837\u4f1a\u4f7f\u5f97\u5411\u4e0b\u8f6c\u578b\uff0c\u4f1a\u4e22\u5931\u7cbe\u5ea6<\/span>

          \/\/ \u6b63\u786e\u7684\u5199\u6cd5\uff1a<\/span>
          float<\/span> a = 1.1f<\/span>;
          double<\/span> b = 1.1<\/span>;
          <\/code><\/pre>\n
          \u9690\u5f0f\u8f6c\u6362:<\/p>\n
          <\/span> short<\/span> c = 1<\/span>;
            \/\/ 1\u662fint\u578b  \u7cbe\u5ea6\u6bd4short\u9ad8 \u6ca1\u53d1\u9690\u5f0f\u7684\u5411\u4e0b\u8f6c\u578b\u6210short<\/span>

            \/\/ \u8fd9\u6837\u53ef\u4ee5\u8fbe\u5230\u9690\u5f0f\u8f6c\u6362\u7684\u76ee\u7684<\/span>
            c ++; \/\/ c = (short) (c + 1);<\/span>
          <\/code><\/pre>\n
          \u6d41\u7a0b\u63a7\u5236<\/span><\/h2>\n
          \u6211\u4eec\u8bf4\u8bdd\u7684\u65f6\u5019\u4f1a\u6709\u903b\u8f91\u8bed\u53e5\uff0c\u7a0b\u5e8f\u4e5f\u4e00\u6837\uff0c\u6709\u4e86\u5b83\uff0c\u5c31\u80fd\u63a7\u5236\u7a0b\u5e8f\u5728\u8bbe\u5b9a\u4e2d\u8fd0\u884c\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff0c \u201c\u5982\u679c\u6211\u6559\u4f60\u5199java, \u4f60\u5c31\u505a\u6211\u5973\u670b\u53cb\u201d<\/p>\n
          \u5728java\u4e2d\u7528 if<\/span> \u8868\u793a\uff1a<\/p>\n
          <\/span>\/\/ \u8fd9\u91cc\u7684true\u662fboolean\u7c7b\u578b\uff0c \u5728\u6570\u5b66\u4e2d\u53eb\u771f,\u76f8\u53cd\u7684\u662f false<\/span>
          if<\/span>(true<\/span>) {
            Log.info(\"\u505a\u6211\u5973\u670b\u53cb\"<\/span>);
          }
          <\/code><\/pre>\n
          \u5982\u679c\u5979\u62d2\u7edd\u4e86\u548b\u529e? \u5e76\u5bf9\u4f60\u8bf4\u4e86\u53e5 \"go out !\", \u5728java\u4e2d\u7528 else<\/span> \u8868\u793a\u5426\u5219\u7684\u610f\u601d\uff0c\u7c7b\u4f3c\u8f6c\u6298\u8bed\u53e5:<\/p>\n
          <\/span>if<\/span>(true<\/span>) {
            Log.info(\"\u505a\u6211\u5973\u670b\u53cb\"<\/span>);
          }else<\/span> {
            Log.info(\"\u6eda\"<\/span>);
          }
          <\/code><\/pre>\n
          \u4f60\u8fd8\u4e0d\u60f3\u653e\u5f03\uff0c\u6211\u5728\u5916\u52a0\u8bf7\u4f60\u5403\u996d+\u770b\u7535\u5f71, \u5728java\u4e2d\u6211\u4eec\u53ef\u4ee5\u7528 else if<\/span> \u8fd9\u4e48\u8868\u793a, \u7c7b\u4f3c\u4e8c\u6b21\u8f6c\u6298\uff1a<\/p>\n
          <\/span>\/\/ \u7b2c1\u5c42\u5224\u65ad<\/span>
          if<\/span>(\u6559\u4f60\u5199\u4ee3\u7801) {
            Log.info(\"\u505a\u6211\u5973\u670b\u53cb\"<\/span>);
            \/\/ \u7b2c2\u5c42\u5224\u65ad<\/span>
          }else<\/span> if<\/span>(\u5403\u996d) {
            Log.info(\"\u505a\u6211\u5973\u670b\u53cb\"<\/span>);
            \/\/ \u7b2c3\u5c42\u5224\u65ad<\/span>
          }else<\/span> if<\/span>(\u770b\u7535\u5f71) {
            Log.info(\"\u505a\u6211\u5973\u670b\u53cb\"<\/span>);
          }else<\/span> {
            \/\/ \u7b2c4\u5c42\u5224\u65ad<\/span>
            Log.info(\"\u6eda\"<\/span>);
          }
          <\/code><\/pre>\n
          \u5728\u4f60\u7684\u4e0d\u65ad\u52aa\u529b\u4e0b\uff0c\u5979\u7ec8\u4e8e\u7b54\u5e94\u8ddf\u4f60\u5403\u996d\u4e86\uff0c\u8fd9\u65f6\u5019\u4f60\u8981\u5f00\u59cb\u60f3\u4e86\u4e00\u4e0b\u9884\u7b97\uff0c\u90a3\u4e48\u9884\u7b97\u53ef\u80fd\u4f1a\u6709\u5f88\u591a\u79cd\u3002\u5728java\u4e2d\u4f7f\u7528 switch\u6765\u8fdb\u884c\u591a\u79cd\u5224\u65ad\uff0c\u4e3a\u5565\u4e0d\u662fif\uff0cif\u4e5f\u53ef\u4ee5\uff0c\u4f46\u662f\u591a\u8d77\u6765\u4f1a\u5bfc\u81f4if\u591a\u5c42\u5d4c\u5957\uff0c\u4e0d\u5229\u4e8e\u4ee3\u7801\u7ef4\u62a4\u3002\u8bf4\u4e0d\u5b9a\u4f60\u4e0b\u6b21\u6539bug\u4f60\u90fd\u4e0d\u77e5\u9053\u5199\u4e86\u5565\u3002<\/p>\n
          \u5f53\u7136\u4e5f\u4e0d\u5b8c\u5168\u662f switch<\/span> \u6211\u4eec\u53ef\u4ee5\u62c6\u5206\u65b9\u6cd5\uff0c\u7c7b\u7b49\u7b49\u3002\u8fd9\u91cc\u4e3a\u4e86\u719f\u6089\u8bed\u6cd5:<\/p>\n
          \u652f\u6301\u7684\u5224\u65ad\u7c7b\u578b \uff1a\u9700\u8981 char\u3001byte\u3001short\u3001int\u3001Character\u3001Byte\u3001Short\u3001Integer\u3001String \u6216\u679a\u4e3e \u4e0d\u652f\u6301: long\u3001float\u3001double<\/p>\n
          <\/span>\/\/ \u5047\u8bbecost \u4e3aint\u578b\uff0c \u610f\u601d\u662f\u82b1\u8d39<\/span>
          switch<\/span>(cost) {
            case<\/span> 200<\/span>:
              Log.ingo(\"\u5403\u80af\u5fb7\u57fa\"<\/span>);
              \/\/ break \u610f\u601d\u662f\u8df3\u51fa\u5faa\u73af <\/span>
              break<\/span>;
            case<\/span> 100<\/span>:
              Log.ingo(\"\u6c49\u5821\u738b\"<\/span>);
              break<\/span>;
              \/\/ default\uff1a \u5f53\u4ee5\u4e0a\u6761\u4ef6\u4e0d\u6ee1\u8db3\u7684\u65f6\u5019\u4f1a\u9ed8\u8ba4\u6267\u884c\u8fd9\u4e2a\u8bed\u53e5<\/span>
            default<\/span>:
              Log.ingo(\"\u5403\u714e\u997c\u679c\u5b50\"<\/span>);
              break<\/span>;
          }

          <\/code><\/pre>\n
          \u8fd8\u662f\u521a\u521a\u7684\u4f8b\u5b50\uff0c \u5403\u5b8c\u996d\u540e\uff0c\u51c6\u5907\u770b\u7535\u5f71\uff0c\u5973\u795e\u8bf4\u4e86\u523010\u70b9\uff0c\u770b\u6ca1\u770b\u5b8c\u90fd\u56de\u5bb6\uff0c\u8fd9\u65f6\u5019\u4f60\u4e00\u76f4\u76ef\u7740\u770b\u65f6\u95f4\uff0c\u751f\u6015\u65f6\u95f4\u5230\u4e86\uff0c\u4e2d\u9014\u4f60\u8fd8\u4e0a\u4e86\u4e2a\u5395\u6240, \u5fd8\u4e86\u6570\u6570\u4e86\u3002\u5b9e\u9645\u4e0a\u8fd9\u662f\u4e00\u79cd\u5faa\u73af\u7684\u573a\u666f\uff0c\u4e00\u76f4\u5728\u68c0\u6d4b\u67d0\u4e00\u73af\u8282\u4e0b\u6ee1\u8db3\u67d0\u79cd\u6761\u4ef6\u65f6\uff0c\u6267\u884c\u5bf9\u5e94\u7684\u4efb\u52a1,\u5728java\u4e2d\u6211\u4eec\u901a\u5e38\u7528 while<\/span> \u6765\u8868\u793a,while\u7c7b\u4f3c\u5f53...\u4ec0\u4e48\u65f6\u5019\u3002<\/p>\n
          <\/span># \u6ca1\u5230\u5341\u70b9 \u4f1a\u4e00\u76f4\u6267\u884c
          while<\/span>(\u6ca1\u5230\u5341\u70b9) {
            \/\/ \u914d\u5408if \u5b9e\u73b0\uff0c \u8df3\u51fa\u5faa\u73af<\/span>
            if<\/span>(\u5341\u70b9\u5230\u4e86) { 
              break<\/span>;
            }

            \/\/ \u4e0a\u5395\u6240 \u5fd8\u4e86\u770b\u65f6\u95f4\u4e86<\/span>
            if<\/span>(\u4e0a\u5395\u6240) {
              \/\/ continue \u8868\u793a\u8df3\u51fa\u5f53\u524d\u8fd9\u4e2a\u65f6\u523b\uff0c\u4f46\u4e0d\u4f1a\u7ec8\u6b62\u5faa\u73af, \u4e0b\u4e00\u6b21\u8fd8\u662f\u63a5\u7740\u6570\u6570<\/span>
              continue<\/span>;
            }

            Log.info(\"\u8fd8\u5269.xx.\u5206\u949f\"<\/span>)
          }

          <\/code><\/pre>\n
          \u7136\u540e\u65f6\u95f4\u5230\u4e86\uff0c\u4f60\u4eec\u4e00\u8d77\u8d70\u5728\u56de\u5bb6\u7684\u8def\u4e0a\uff0c\u5fc3\u60f3\uff0c\u51fa\u90fd\u51fa\u6765\u4e86\uff0c\u81f3\u5c11\u62c9\u4e00\u6b21\u624b\uff0c \u6700\u7ec8\u6210\u529f\u4e86\u3002\u8fd9\u79cd\u573a\u666f\u5c5e\u4e8e\u3002\u8fd9\u79cd\u573a\u666f\u5c5e\u4e8e\uff0c\u4e0d\u7ba1\u5931\u8d25\u4e0e\u5426\uff0c\u4e8b\u4ef6\u90fd\u4f1a\u6267\u884c\u4e00\u6b21\uff0c\u5728Java\u4e2d\u7528  do ... while<\/span>:<\/p>\n
          <\/span>do<\/span> {
            Log.info(\"\u62c9\u624b)
          } while(false)

          <\/span><\/code><\/pre>\n
          \u6700\u7ec8\u5973\u795e\u8ddf\u4f60\u8bf4\u4e86\u53e5\uff1a\u201c\u4f60\u662f\u597d\u4eba\u201d\uff0c\u4f60\u542c\u4e86\u4e4b\u540e\u611f\u52a8\u7684\u54ed\u4e86\u3002<\/p>\n