{"id":31229,"date":"2024-02-02T15:08:10","date_gmt":"2023-11-01T15:11:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95%e7%9a%84python%e5%b7%a5%e7%a8%8b%e5%b8%88-java%e5%85%a5%e9%97%a8\/"},"modified":"2025-08-12T22:57:32","modified_gmt":"2025-08-12T14:57:32","slug":"%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95%e7%9a%84python%e5%b7%a5%e7%a8%8b%e5%b8%88-java%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95%e7%9a%84python%e5%b7%a5%e7%a8%8b%e5%b8%88-java%e5%85%a5%e9%97%a8\/","title":{"rendered":"\u5b66\u4e60Java\u57fa\u7840\u8bed\u6cd5\u7684Python\u5de5\u7a0b\u5e08~ Java\u5165\u95e8~"},"content":{"rendered":"

\u8ba9\u6211\u4eec\u5b66\u4e60Java\u5427<\/p>\n

\u7531\u4e8e\u5de5\u4f5c\u7684\u9700\u8981\uff0c\u6211\u4e0d\u5f97\u4e0d\u5f00\u59cb\u5b66\u4e60Java\uff0c\u5c3d\u7ba1\u5e73\u5e38\u4e3b\u8981\u4f7f\u7528Python\u8fdb\u884c\u5f00\u53d1\uff08\u5076\u5c14\u4f7f\u7528GAS\uff09\u3002<\/p>\n

\u81ea\u4ece\u6211\u662f\u5b66\u751f\u4ee5\u6765\uff0c\u5df2\u7ecf\u6709\u8fd120\u5e74\u6ca1\u6709\u78b0\u8fc7Java\u4e86\u3002
\n\u751a\u81f3\u8fdeIF\u548cFOR\u8fd9\u6837\u7684\u57fa\u672c\u8bed\u6cd5\u90fd\u60f3\u4e0d\u8d77\u6765\uff0c\u771f\u662f\u7cdf\u7cd5\u2026\u2026\u3002<\/p>\n

\u6211\u60f3\u628a\u6211\u4f5c\u4e3aJava\u83dc\u9e1f\u5b66\u4e60\u7684\u8bb0\u5f55\u653e\u5728Qiita\u4e0a\uff0c\u4f5c\u4e3a\u4ee3\u66ff\u7b14\u8bb0\u7684\u5730\u65b9\u3002<\/p>\n

\u73af\u5883\u5efa\u7acb<\/p>\n

\u636e\u8bf4Java\u4e0d\u540c\u4e8ePython\uff0c\u5b83\u4e0d\u662f\u4e00\u79cd\u811a\u672c\u8bed\u8a00\u3002
\n\u56e0\u6b64\uff0c\u597d\u50cfPython\u5de5\u7a0b\u5e08\u4eec\u90fd\u65e0\u6cd5\u4f7f\u7528\u559c\u7231\u7684JupyterNoteBook\u3002
\n\u4e0d\u80fd\u4ee5\u4ea4\u4e92\u5f62\u5f0f\u8fdb\u884c\u5f00\u53d1\u5417…\u7a81\u7136\u611f\u5230\u6709\u4e9b\u4e0d\u5b89\u3002<\/p>\n

\u9996\u5148\uff0c\u5b89\u88c5Java\u5f00\u53d1\u5de5\u5177\u5305\uff08\u7c7b\u4f3c\u4e8e\u7528\u4e8e\u5f00\u53d1Java\u7684\u5f15\u64ce\uff09\u548c\u4e00\u4e2a\u540d\u4e3aEclipse\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08\u5305\u542b\u4e86\u5f00\u53d1\u7f16\u8f91\u5668\u548c\u8c03\u8bd5\u7b49\u5404\u79cd\u529f\u80fd\uff09\u3002<\/p>\n

\n \"image.png\"<\/p>\n
\n \"image.png\"<\/p>\n

\u57fa\u672c\u8bed\u6cd5<\/p>\n

\u5c06\u8f93\u51fa\u663e\u793a\u5728\u63a7\u5236\u53f0\u4e0a\u3002<\/p>\n

\u55ef\u3002\u5149\u662f\u8f38\u51fa\u5e7e\u500b\u5b57\u5c31\u9700\u8981\u6253\u9019\u9ebc\u591a\u5b57\u5be6\u5728\u662f\u6709\u9ede\u9ebb\u7169\u554a\u2026\u2026 \u5982\u679c\u7528Python\u7684\u8a71\uff0c\u53ea\u8981\u4e00\u884c\u5c31\u641e\u5b9a\u4e86\u2026\u2026\u3002<\/p>\n

\u7136\u800c\uff0c\u6211\u5bf9\u5229\u7528”+”\u64cd\u4f5c\u7b26\u5c06\u6570\u5b57\u4e0e\u5b57\u7b26\u4e32\u8fde\u63a5\u611f\u5230\u60ca\u8bb6\u3002
\n\u5728Python\u4e2d\uff0c\u5982\u679c\u4e0d\u5c06\u6570\u5b57\u8f6c\u6362\u4e3astr\u7c7b\u578b\uff0c\u5e94\u8be5\u4f1a\u62a5\u9519\u3002
\n\u636e\u8bf4\uff0c\u5728Java\u4e2d\uff0cSystem.out.println\u4f1a\u5728\u5185\u90e8\u8fdb\u884c\u5b57\u7b26\u4e32\u8f6c\u6362\u3002<\/p>\n

public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"ABC\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u6570\u5024\u3092\u51fa\u529b\"<\/span> +<\/span> 123<\/span>);<\/span> \/\/123\u306f\u6570\u5024\u3060\u304c\u3001\u81ea\u52d5\u7684\u306bString\u306b\u5909\u63db\u3055\u308c\u308b<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n>>><\/span>ABC<\/span>\r\n>>><\/span>\u6570\u5024\u3092\u51fa\u529b123<\/span>\r\n<\/code><\/pre>\n
\u58f0\u660e\u53d8\u91cf<\/p>\n
\u5728\u58f0\u660e\u53d8\u91cf\u65f6\u9700\u8981\u6307\u5b9a\u6570\u636e\u7684\u7c7b\u578b\u3002\u5982\u679c\u5fd8\u8bb0\u4e86\uff0c\u5c31\u4f1a\u51fa\u9519\u3002
\n\u5f53\u7136\uff0cPython\u5e76\u4e0d\u9700\u8981\u8fd9\u6837\u7684\u64cd\u4f5c\u3002
\n\u8fd9\u4e2a\u771f\u662f\u6709\u70b9\u9ebb\u70e6\uff0c\u76f4\u5230\u6162\u6162\u719f\u6089\u4e86\u624d\u597d\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n\r\n        String<\/span> mystr<\/span> =<\/span> \"hello\"<\/span>;<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>mystr<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n>>><\/span>hello<\/span>\r\n<\/code><\/pre>\n
\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u5982\u679c\u53ea\u58f0\u660e\u53d8\u91cf\u800c\u6ca1\u6709\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u90a3\u4e48\u4f1a\u5bfc\u81f4\u7f16\u8bd1\u9519\u8bef\u3002(\u867d\u7136\u53ef\u4ee5\u901a\u8fc7\u65b9\u6cd5\u83b7\u53d6\u5176\u4ed6\u7c7b\u7684\u672a\u521d\u59cb\u5316\u5b57\u6bb5\u503c\uff0c\u4f46\u83b7\u53d6\u65f6\u5b57\u7b26\u4e32\u7c7b\u578b\u4e3aNull\uff0c\u6574\u6570\u7c7b\u578b\u4e3a0\uff0c\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u4f1a\u88ab\u521d\u59cb\u5316\u3002\u4e3a\u4ec0\u4e48\u5462\uff1f)<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n        \/\/\u5909\u6570\u3092\u521d\u671f\u5316\u3057\u306a\u3044\u3067\u4f7f\u304a\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u3002<\/span>\r\n        String<\/span> mystr<\/span>;<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>mystr<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6539\u53d8\u5f62\u72b6<\/p>\n
\u54c7\uff0c\u597d\u96be\u61c2\u3002\u800c\u4e14\u6587\u5b57\u592a\u591a\u4e86\u3002
\n\u636e\u8bf4\uff0c\u50cf(int)\u8fd9\u6837\u7528\u62ec\u53f7\u62ec\u8d77\u6765\u7684\u7c7b\u578b\u8f6c\u6362\u65b9\u6cd5\u88ab\u79f0\u4e3a\u5f3a\u5236\u8f6c\u6362\u3002
\n\u7136\u800c\uff0c\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff08\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c4.5\u4f1a\u88ab\u8868\u793a\u4e3a4\uff0c0.5\u4f1a\u4e22\u5931\uff09\u3002
\n\u636e\u8bf4\u6700\u597d\u907f\u514d\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n \r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n    \tString<\/span> s1<\/span>,<\/span> s2<\/span>,<\/span> s3<\/span>;<\/span>\r\n    \tint<\/span> a1<\/span>;<\/span>\r\n    \t\r\n    \t\/\/\u6587\u5b57\u5217<\/span>\r\n    \ts1<\/span> =<\/span> \"a\"<\/span>;<\/span>\r\n    \ts2<\/span> =<\/span> s1<\/span> +<\/span> \"ddd\"<\/span>;<\/span>\r\n    \t\r\n    \t\/\/\u6570\u5024\u3092\u6587\u5b57\u5217\u306b\u5909\u63db<\/span>\r\n    \ts3<\/span> =<\/span> String<\/span>.<\/span>valueOf<\/span>(<\/span>10<\/span>);<\/span>\r\n\r\n    \t\/\/4.5\u3092integer\u578b\u306b\u30ad\u30e3\u30b9\u30c8\u5909\u63db\uff08\u30ad\u30e3\u30b9\u30c8\u306f\u30c7\u30fc\u30bf\u306e\u6b20\u843d\u3092\u62db\u304f\u306e\u3067\u826f\u3044\u8a18\u8f09\u3068\u306f\u8a00\u3048\u306a\u3044\uff09<\/span>\r\n    \ta1<\/span> =<\/span> (<\/span>int<\/span>)<\/span>4.5<\/span>;<\/span>\r\n\r\n    \tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>s1<\/span>);<\/span>\r\n    \tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>s2<\/span>);<\/span>\r\n    \tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>s3<\/span>);<\/span>\r\n    \tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>a1<\/span>);<\/span>    \t\r\n    }<\/span>\r\n}<\/span>\r\n\r\n>>><\/span>a<\/span>\r\n>>><\/span>addd<\/span>\r\n>>><\/span>10<\/span>\r\n>>><\/span>4<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c<\/p>\n
\u8fd9\u5e76\u6ca1\u6709\u90a3\u4e48\u5947\u602a\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n\r\n        int<\/span> flg<\/span> =<\/span> 10<\/span>;<\/span>\r\n        if<\/span>(<\/span>flg<\/span> ><\/span> 0<\/span>){<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"flg:\"<\/span> +<\/span> flg<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n>>><\/span>flg:<\/span>10<\/span>\r\n<\/code><\/pre>\n
\u904d\u5386\u5faa\u73af<\/p>\n
\u8fd9\u660e\u663e\u6bd4Python\u7684\u5b57\u7b26\u6570\u91cf\u591a\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\tfor<\/span>(<\/span>int<\/span> i<\/span>=<\/span>1<\/span>;<\/span> i<\/span><=<\/span>3<\/span>;<\/span> i<\/span>=<\/span>i<\/span>++)<\/span> {<\/span>\r\n\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>i<\/span>);<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n\r\n>>><\/span>1<\/span>\r\n>>><\/span>2<\/span>\r\n>>><\/span>3<\/span>\r\n<\/code><\/pre>\n
\u6269\u5c55\u7684FOR\u5faa\u73af<\/p>\n
\u636e\u8bf4\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u4e0d\u4f1a\u53d1\u751f\u7d22\u5f15\u6ea2\u51fa\u548c\u5f15\u7528\u9519\u8bef\u7b49\u95ee\u9898\uff0c\u6240\u4ee5\u5f88\u597d\u3002
\n\u8fd9\u79cd\u5199\u6cd5\u5f88\u50cfPython\u98ce\u683c\uff0c\u5bf9\u4e8e\u6709\u63a5\u89e6\u8fc7Python\u7684\u4eba\u6765\u8bf4\uff0c\u53ef\u80fd\u66f4\u5bb9\u6613\u5904\u7406\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\tint<\/span> myarray<\/span>[]<\/span> =<\/span> {<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>};<\/span>\r\n\t\tfor<\/span>(<\/span>int<\/span> a<\/span> :<\/span> myarray<\/span>)<\/span> {<\/span>\r\n\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>a<\/span>);<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n>>><\/span>1<\/span>\r\n>>><\/span>2<\/span>\r\n>>><\/span>3<\/span>\r\n<\/code><\/pre>\n
\u6392\u5217<\/p>\n
\u5728Python\u4e2d\uff0c\u6570\u7ec4\u548c\u5217\u8868\u662f\u7c7b\u4f3c\u7684\uff0c\u4f46\u5728Java\u4e2d\uff0c\u5b83\u4eec\u88ab\u660e\u786e\u5730\u533a\u5206\u5f00\u6765\u3002\u5728Java\u4e2d\uff0c\u9700\u8981\u63d0\u524d\u786e\u5b9a\u6570\u636e\u7c7b\u578b\uff0c\u6240\u4ee5\u76f8\u6bd4\u4e8ePython\uff0c\u611f\u89c9\u4f1a\u66f4\u52a0\u62d8\u675f\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\tint<\/span> n<\/span>[]<\/span> =<\/span> {<\/span>3<\/span>,<\/span>4<\/span>,<\/span>5<\/span>,<\/span>6<\/span>};<\/span>\r\n\t\tString<\/span> s<\/span>[]<\/span> =<\/span> {<\/span>\"ABC\"<\/span>,<\/span> \"EFG\"<\/span>};<\/span>\r\n\t\t\r\n\t\tfor<\/span> (<\/span>int<\/span> i<\/span>=<\/span>0<\/span>;<\/span> i<\/span><<\/span>n<\/span>.<\/span>length<\/span>;<\/span> i<\/span>++)<\/span> {<\/span>\r\n\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"n[\"<\/span> +<\/span> i<\/span> +<\/span>\"]\u306f\"<\/span> +<\/span> n<\/span>[<\/span>i<\/span>]);<\/span>\r\n\t\t}<\/span>\r\n\r\n\t\tfor<\/span> (<\/span>int<\/span> i<\/span>=<\/span>0<\/span>;<\/span> i<\/span><<\/span>s<\/span>.<\/span>length<\/span>;<\/span> i<\/span>++)<\/span> {<\/span>\r\n\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"s[\"<\/span> +<\/span> i<\/span> +<\/span>\"]\u306f\"<\/span> +<\/span> s<\/span>[<\/span>i<\/span>]);<\/span>\r\n\t\t}<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u7d42\u4e86\"<\/span>);<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n>>><\/span>n<\/span>[<\/span>0<\/span>]<\/span>\u306f3<\/span>\r\n>>><\/span>n<\/span>[<\/span>1<\/span>]<\/span>\u306f4<\/span>\r\n>>><\/span>n<\/span>[<\/span>2<\/span>]<\/span>\u306f5<\/span>\r\n>>><\/span>n<\/span>[<\/span>3<\/span>]<\/span>\u306f6<\/span>\r\n>>><\/span>s<\/span>[<\/span>0<\/span>]<\/span>\u306fABC<\/span>\r\n>>><\/span>s<\/span>[<\/span>1<\/span>]<\/span>\u306fEFG<\/span>\r\n<\/code><\/pre>\n
\u5217\u8868<\/p>\n
\u5f53\u4f7f\u7528\u5217\u8868\u65f6\uff0c\u9700\u8981\u5bfc\u5165\u4e00\u4e2a\u5e93\u3002\uff08\u5e0c\u671b\u8fd9\u7c7b\u5e93\u5728\u6807\u51c6\u5e93\u91cc\u9762\u3002\uff09
\n\u53ef\u4ee5\u9884\u5148\u58f0\u660e\u5e76\u5bfc\u5165\u5e26\u6709<>\u7684\u6570\u636e\u7c7b\u578b\u3002\uff08\u8fd9\u53ef\u80fd\u662fPython\u4e2d\u7f3a\u5c11\u7684\u4e00\u4e2a\u6709\u7528\u529f\u80fd\uff09<\/p>\n
import<\/span> java.util.*<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\t\r\n\t\t\/\/\u6587\u5b57\u5217\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u6210<\/span>\r\n\t\tArrayList<\/span><<\/span>String<\/span>><\/span> sl<\/span> =<\/span> new<\/span> ArrayList<\/span><<\/span>String<\/span>>();<\/span>\r\n\t\tsl<\/span>.<\/span>add<\/span>(<\/span>\"1\"<\/span>);<\/span>\r\n\t\tsl<\/span>.<\/span>add<\/span>(<\/span>\"2\"<\/span>);<\/span>\r\n\t\tsl<\/span>.<\/span>add<\/span>(<\/span>\"3\"<\/span>);<\/span>\t\t\r\n\t\r\n\t\t\/\/\u6570\u5024\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u6210<\/span>\r\n\t\tArrayList<\/span><<\/span>Integer<\/span>><\/span> il<\/span> =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>>();<\/span>\r\n\t\til<\/span>.<\/span>add<\/span>(<\/span>4<\/span>);<\/span>\r\n\t\til<\/span>.<\/span>add<\/span>(<\/span>5<\/span>);<\/span>\r\n\t\til<\/span>.<\/span>add<\/span>(<\/span>6<\/span>);<\/span>\r\n\t\t\r\n\t\tfor<\/span> (<\/span>String<\/span> s<\/span> :<\/span> sl<\/span>)<\/span> {<\/span>\r\n\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>s<\/span>);<\/span>\r\n\t\t}<\/span>\r\n\t\t\r\n\t\tfor<\/span> (<\/span>Integer<\/span> i<\/span> :<\/span> il<\/span>)<\/span> {<\/span>\r\n\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>i<\/span>);<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n>>><\/span>1<\/span>\r\n>>><\/span>2<\/span>\r\n>>><\/span>3<\/span>\r\n>>><\/span>4<\/span>\r\n>>><\/span>5<\/span>\r\n>>><\/span>6<\/span>\r\n<\/code><\/pre>\n
\u5b57\u5178<\/p>\n
\u8fd9\u4e5f\u9700\u8981\u50cf\u5217\u8868\u4e00\u6837\u8fdb\u884c\u5bfc\u5165\u3002<\/p>\n
import<\/span> java.util.*<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\t\r\n\t\tHashMap<\/span><<\/span>String<\/span>,<\/span> Integer<\/span>><\/span> map<\/span> =<\/span> new<\/span> HashMap<\/span><<\/span>String<\/span>,<\/span> Integer<\/span>>();<\/span>\r\n\t\tString<\/span> nengo<\/span>[]<\/span> =<\/span> {<\/span>\"A\"<\/span>,<\/span>\"B\"<\/span>,<\/span>\"C\"<\/span>,<\/span>\"D\"<\/span>};<\/span>\r\n\t\t\r\n        map<\/span>.<\/span>put<\/span>(<\/span>nengo<\/span>[<\/span>0<\/span>],<\/span> 1000<\/span>);<\/span>\r\n        map<\/span>.<\/span>put<\/span>(<\/span>nengo<\/span>[<\/span>1<\/span>],<\/span> 1001<\/span>);<\/span>\r\n        map<\/span>.<\/span>put<\/span>(<\/span>nengo<\/span>[<\/span>2<\/span>],<\/span> 1002<\/span>);<\/span>\r\n        map<\/span>.<\/span>put<\/span>(<\/span>nengo<\/span>[<\/span>3<\/span>],<\/span> 1003<\/span>);<\/span>\r\n        \r\n        for<\/span> (<\/span>String<\/span> s<\/span> :<\/span> nengo<\/span>)<\/span> {<\/span>\r\n        \tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>s<\/span>+<\/span>\"\u306f\u3001\"<\/span>+<\/span>map<\/span>.<\/span>get<\/span>(<\/span>s<\/span>));<\/span>\r\n        }<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n>>><\/span>A\u306f<\/span>\u3001<\/span>1000<\/span>\r\n>>><\/span>B\u306f<\/span>\u3001<\/span>1001<\/span>\r\n>>><\/span>C\u306f<\/span>\u3001<\/span>1002<\/span>\r\n>>><\/span>D\u306f<\/span>\u3001<\/span>1003<\/span>\r\n\r\n<\/code><\/pre>\n
\u5f02\u5e38\u5904\u7406<\/p>\n
\u5f02\u5e38\u5904\u7406\u3002\u8fd9\u4e2a\u5728Python\u4e2d\u7684\u5199\u6cd5\u51e0\u4e4e\u4e00\u6837\uff0c\u6240\u4ee5\u5b8c\u5168\u4e0d\u4f1a\u611f\u5230\u4e0d\u9002\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n \r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        try<\/span>{<\/span>\r\n            int<\/span> n<\/span>[]<\/span> =<\/span> {<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>};<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>5<\/span> \/<\/span> 0<\/span>);<\/span> \/\/ArithmeticException e\u306b\u98db\u3070\u3055\u308c\u308b                <\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>print<\/span>(<\/span>n<\/span>[<\/span>4<\/span>]);<\/span> \/\/Exception e\u306b\u98db\u3070\u3055\u308c\u308b         <\/span>\r\n        }<\/span>\r\n        catch<\/span>(<\/span>ArithmeticException<\/span> e<\/span>){<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>();<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"0\u306b\u3088\u308b\u5272\u308a\u7b97\u767a\u751f\"<\/span>);<\/span>\r\n        }<\/span>\r\n        catch<\/span>(<\/span>Exception<\/span> e<\/span>){<\/span>\r\n        \tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"0\u9664\u7b97\u4ee5\u5916\u306e\u30a8\u30e9\u30fc\"<\/span>);<\/span>\r\n        }<\/span>\r\n        finally<\/span>{<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u7d42\u4e86\"<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8c03\u7528\u65b9\u6cd5<\/p>\n
\u60ca\u8bb6\u7684\u662f\uff0c\u5728Java\u4e2d\uff0c\u53ea\u8981\u53c2\u6570\u7684\u7c7b\u578b\u4e0d\u540c\uff0c\u65b9\u6cd5\u540d\u7684\u91cd\u590d\u662f\u5141\u8bb8\u7684\u3002
\n\u636e\u8bf4\u8fd9\u79cd\u91cd\u590d\u5b9a\u4e49\u7684\u60c5\u51b5\u88ab\u79f0\u4e3a\u91cd\u8f7d\u3002
\n\u6839\u636e\u8c03\u7528\u5904\u4f7f\u7528\u7684\u53c2\u6570\u7c7b\u578b\uff0c\u81ea\u52a8\u5207\u6362\u8981\u8c03\u7528\u7684\u65b9\u6cd5\u3002
\n\u8fd9\u4e2a\u529f\u80fd\u5728Python\u4e2d\u662f\u6ca1\u6709\u7684\uff0c\u8ba9\u6211\u5403\u60ca\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n\t\r\n\t\/\/\t\u30e1\u30bd\u30c3\u30c9<\/span>\r\n\tpublic<\/span> static<\/span> int<\/span> add<\/span>(<\/span>int<\/span> a<\/span>,<\/span> int<\/span> b<\/span>)<\/span> {<\/span>\r\n\t\treturn<\/span> a<\/span> +<\/span> b<\/span>;<\/span>\r\n\t}<\/span>\r\n\t\r\n\t\/\/\t\u30e1\u30bd\u30c3\u30c9(\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9)\t<\/span>\r\n\tpublic<\/span> static<\/span> String<\/span> add<\/span>(<\/span>String<\/span> s1<\/span>,<\/span> String<\/span> s2<\/span>)<\/span> {<\/span>\r\n\t\treturn<\/span> s1<\/span> +<\/span> s2<\/span>;<\/span>\r\n\t}<\/span>\r\n\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\t\r\n\t\tint<\/span> a<\/span> =<\/span> 1<\/span>;<\/span>\r\n\t\tint<\/span> b<\/span> =<\/span> 2<\/span>;<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>add<\/span>(<\/span>a<\/span>,<\/span>b<\/span>));<\/span>\r\n\t\t\r\n\t\tString<\/span> s1<\/span> =<\/span> \"aaa\"<\/span>;<\/span>\t\t\r\n\t\tString<\/span> s2<\/span> =<\/span> \"123\"<\/span>;<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>add<\/span>(<\/span>s1<\/span>,<\/span>s2<\/span>));<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n>>><\/span>3<\/span>\r\n>>><\/span>aaa123<\/span>\r\n<\/code><\/pre>\n
\u73ed\u7ea7<\/p>\n
\u4f7f\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b\u7684\u65b9\u6cd5<\/p>\n
\u4e0b\u4e00\u4e2a\u8bdd\u9898\u662f\u5173\u4e8e\u8bfe\u5802\u3002<\/p>\n
\u5bf9\u4e8ePython\u6765\u8bf4\uff0c\u5b83\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u65b9\u5f0f\u6765\u6784\u5efa\uff0c\u4e5f\u53ef\u4ee5\u9009\u62e9\u4e0d\u4f7f\u7528\u3002\u4f46\u662fJava\u5219\u8981\u6c42\u8fdb\u884c\u4e25\u683c\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u6784\u5efa\u3002<\/p>\n
\u6b64\u5916\uff0c\u636e\u8bf4\u53ef\u4ee5\u4e25\u683c\u8bbe\u7f6e\u9759\u6001\u3001\u516c\u5171\u4ee5\u53ca\u5176\u4ed6\u7c7b\u6587\u4ef6\u7684\u8bbf\u95ee\u6743\u9650\u63a7\u5236\u3002\u540c\u65f6\uff0c\u8fd8\u6709\u4e00\u4e2a\u53eb\u505a\u201c\u5305\uff08package\uff09\u201d\u7684\u6982\u5ff5\uff0c\u5982\u679c\u5904\u4e8e\u540c\u4e00\u4e2a\u5305\u5185\uff0c\u5c31\u53ef\u4ee5\u65e0\u9700\u5bfc\u5165\u4fbf\u80fd\u591f\u8bbf\u95ee\u5176\u4ed6\u7c7b\u6587\u4ef6\u3002<\/p>\n
\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cCalc\u548cCalcLogic\u88ab\u653e\u7f6e\u5728\u540c\u4e00\u4e2a\u5305\u4e2d\uff0c\u5e76\u4e14\u901a\u8fc7Calc\u8c03\u7528\u4e86CalcLogic\u3002<\/p>\n
Calc\u6210\u4e3a\u4e86\u6240\u8c13\u7684\u4e3b\u51fd\u6570\uff0c\u4f46\u5176\u4ed6\u4eba\u4e0d\u77e5\u9053\u8fd9\u4e00\u70b9\uff0c\u56e0\u6b64\u5728\u4f20\u9012\u65f6\u9700\u8981\u544a\u77e5\u54ea\u4e2a\u662f\u4e3b\u8981\u7684\u3002<\/p>\n
package<\/span> class_book_01<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> CalcLogic<\/span> {<\/span>\r\n\tpublic<\/span> static<\/span>  int<\/span> tasu<\/span>(<\/span>int<\/span> a<\/span>,<\/span> int<\/span> b<\/span>)<\/span> {<\/span>\r\n\t\treturn<\/span> (<\/span>a<\/span> +<\/span> b<\/span>);<\/span>\r\n\t}<\/span>\r\n\tpublic<\/span> static<\/span>  int<\/span> hiku<\/span>(<\/span>int<\/span> a<\/span>,<\/span> int<\/span> b<\/span>)<\/span> {<\/span>\r\n\t\treturn<\/span> (<\/span>a<\/span>-<\/span>b<\/span>);<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
package<\/span> class_book_01<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Calc<\/span> {<\/span>\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\t\r\n\t\t\/\/static\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30af\u30e9\u30b9\u540d.\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u547c\u3073\u51fa\u3057\u53ef\u80fd<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>CalcLogic<\/span>.<\/span>tasu<\/span>(<\/span>1<\/span>,<\/span>3<\/span>));<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>CalcLogic<\/span>.<\/span>hiku<\/span>(<\/span>10<\/span>,<\/span>5<\/span>));<\/span>\r\n\t\t\r\n\t\t\/\/\u30a4\u30f3\u30b9\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u305f\u3046\u3048\u3067\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n\t\tCalcLogic<\/span> c<\/span> =<\/span> new<\/span> CalcLogic<\/span>();<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>c<\/span>.<\/span>tasu<\/span>(<\/span>1<\/span>,<\/span>3<\/span>));<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>c<\/span>.<\/span>hiku<\/span>(<\/span>10<\/span>,<\/span>5<\/span>));<\/span>\t\t\r\n\t}<\/span>\t\t\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u7f16\u8bd1\u65f6\uff0c\u65b0\u5efa\u4e00\u4e2a\u540d\u4e3aclass_book_01\u7684\u6587\u4ef6\u5939\uff0c\u5e76\u5c06\u5df2\u521b\u5efa\u7684Calc.java\u548cCalcLogic.java\u6587\u4ef6\u590d\u5236\u5230class_book_01\u4e2d\u3002<\/p>\n
\n                            \"image.png\"<\/p>\n
\n                            \"image.png\"<\/p>\n
\n                            \"image.png\"<\/p>\n
\u867d\u7136\u6211\u89c9\u5f97\u4ed6\u4eec\u662f\u4e3a\u4e86\u5c06\u6bcf\u4e2a\u529f\u80fd\u62c6\u5206\u6210\u7ec4\u4ef6\u800c\u8bbe\u8ba1\u4e86\u8fd9\u6837\u7684\u7cfb\u7edf\uff0c\u4f46\u4e0ePython\u76f8\u6bd4\uff0c\u5b83\u590d\u6742\u5f97\u592a\u8fc7\u79bb\u8c31\u4e86…\u3002<\/p>\n
\u5982\u679c\u6709\u591a\u4e2a\u5c42\u7ea7\u7684\u5305\u7684\u8bdd<\/p>\n
\n                            \"image.png\"<\/p>\n
\u5982\u679c\u8981\u7f16\u8bd1\u8fd9\u4e2a\u4e1c\u897f\uff0c\u9700\u8981\u5c06”work”\u6587\u4ef6\u5939\u53ca\u5176\u5185\u5bb9\u590d\u5236\u5230\u4efb\u610f\u6587\u4ef6\u5939\u4e2d\uff0c
\n\u7136\u540e\u8fdb\u5165”work”\u6587\u4ef6\u5939\u7684\u4e0a\u4e00\u7ea7\u6587\u4ef6\u5939\uff0c\u8fdb\u884c\u7f16\u8bd1\u548c\u6267\u884c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
\n                            \"image.png\"<\/p>\n
\u6682\u65f6\u6765\u8bf4\uff0c\u57fa\u7840\u8bed\u6cd5\u5927\u6982\u5c31\u662f\u8fd9\u6837\u4e86\u3002
\n\uff08\u5982\u679c\u6709\u4e0d\u8db3\u7684\u5730\u65b9\uff0c\u6211\u4eec\u518d\u9002\u65f6\u8865\u5145\uff09
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