{"id":31364,"date":"2023-05-16T08:22:05","date_gmt":"2023-08-27T21:25:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80%e4%b8%8bjava%ef%bc%81\/"},"modified":"2025-08-12T23:40:00","modified_gmt":"2025-08-12T15:40:00","slug":"%e6%88%91%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80%e4%b8%8bjava%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80%e4%b8%8bjava%ef%bc%81\/","title":{"rendered":"\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0bJava\uff01"},"content":{"rendered":"

\u4f60\u597d\uff0c\u6211\u662f\u4e00\u4e2a\u7f16\u7a0b\u521d\u5b66\u8005”fujitacoma”\uff01<\/p>\n

\u7531\u4e8e\u6709\u673a\u4f1a\u5b66\u4e60Java\u7684\u57fa\u7840\u7f16\u7a0b\uff0c\u6240\u4ee5\u6211\u60f3\u628a\u5b83\u7559\u4f5c\u5907\u5fd8\u5f55\uff01<\/p>\n

\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8fd9\u6b21\u57fa\u7840Java\u77e5\u8bc6\u662f\u5728Teratail\u4e0a\u5b66\u4e60\u7684\u3002
\nhttps:\/\/prog-8.com<\/p>\n

\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u7acb\u5373\u5f00\u59cb\u5427\uff01<\/p>\n

\n

\u8bf7\u521b\u5efa\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\u7684\u7a0b\u5e8f\u4ee3\u7801\uff0c\u5e76\u6267\u884c\u7a0b\u5e8f\u3002\u8bf7\u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u5b57\u7b26\u4e32\u548c\u6570\u5b57\u7684\u6570\u7ec4\u3002
\n\u5c06\u201c\u9999\u8549\uff0c\u6a59\u5b50\uff0c\u8349\u8393\u201d\u5206\u522b\u8d4b\u503c\u7ed9\u7b2c\u4e00\u4e2a\u6570\u7ec4\u3002
\n\u5c06\u6570\u5b57\u201c300\u3001500\u3001100\u201d\u5206\u522b\u8d4b\u503c\u7ed9\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u3002
\n\u9488\u5bf9\u7b2c\u4e00\u4e2a\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528for\u5faa\u73af\u8fdb\u884c\u91cd\u590d\u5904\u7406\u3002
\n\u5f53\u6570\u7ec4\u5143\u7d20\u4e3a\u201c\u9999\u8549\u201d\u65f6\uff0c\u8bf7\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002
\n\u5f53\u6570\u7ec4\u5143\u7d20\u4e3a\u201c\u6a59\u5b50\u201d\u65f6\uff0c\u8bf7\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002
\n\u5f53\u6570\u7ec4\u5143\u7d20\u4e3a\u201c\u8349\u8393\u201d\u65f6\uff0c\u8bf7\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n

\n

\u2460\u521b\u5efa\u5305\u548c\u7c7b\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u5efa\u7acb\u4e00\u4e2a\u5de5\u4f5c\u533a\u3002\u5173\u4e8e\u5305\uff0c\u6211\u4eec\u53ef\u4ee5\u968f\u610f\u9009\u62e9\uff0c\u6bd4\u5982\u4f7f\u7528”kiso”\u5373\u53ef\u3002\u81f3\u4e8e\u7c7b\u7684\u5185\u5bb9\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u547d\u540d\u4e3a”PriceCheck”\u3002<\/p>\n

\u521b\u5efa\u5b8c\u6210\u540e\u5e94\u8be5\u5982\u4e0b\u6240\u793a\u3002<\/p>\n

package<\/span> jp.kiso<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> PriceCheck<\/span> {<\/span>\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u203b \u5728\u521b\u5efa\u7c7b\u65f6\u4f1a\u81ea\u52a8\u751f\u6210 public static void main(String[] args) \u65b9\u6cd5\uff0c\u5e76\u8fdb\u884c\u68c0\u67e5\u3002\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\u5c06\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\u8fdb\u884c\u89e3\u91ca\uff01<\/p>\n
\u521b\u5efa\u6570\u7ec4\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u5f00\u59cb\u521b\u5efa\u6307\u5b9a\u7684\u6570\u7ec4\u5427\uff01<\/p>\n
\u8bf7\u5c06\u201c\u9999\u8549\u3001\u6a59\u5b50\u3001\u8349\u8393\u201d\u5206\u522b\u8d4b\u503c\u7ed9\u7b2c\u4e00\u4e2a\u6570\u7ec4\u3002\u9019\u6703\u6210\u70ba\u4e00\u500b\u5b57\u4e32\u9663\u5217\uff0c\u4ee5\u4ee5\u4e0b\u65b9\u5f0f\u8a18\u9304\u3002<\/p>\n
String<\/span>[]<\/span> fruits<\/span> =<\/span> {<\/span>\"banana\"<\/span>,<\/span>\"orange\"<\/span>,<\/span>\"strawberry\"<\/span>};<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u5c06\u6570\u503c\u201c300\u3001 500\u3001 100\u201d\u8d4b\u503c\u7ed9\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u3002\u9019\u5c07\u8b8a\u6210\u4e00\u500b\u6574\u6578\u578b\u7684\u9663\u5217\uff0c\u6240\u4ee5\u53ef\u4ee5\u5982\u4e0b\u63cf\u8ff0\uff1a<\/p>\n
int<\/span>[]<\/span> prices<\/span> =<\/span> {<\/span>300<\/span>,<\/span>500<\/span>,<\/span>100<\/span>};<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u5728\u7a0b\u5e8f\u4e2d\u5199\u5165\u4e0a\u8ff0\u7684\u4e24\u4e2a\u6761\u76ee\uff0c\u5219…<\/p>\n
package<\/span> jp.kiso<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> PriceCheck<\/span> {<\/span>\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\tString<\/span>[]<\/span> fruits<\/span> =<\/span> {<\/span>\"banana\"<\/span>,<\/span>\"orange\"<\/span>,<\/span>\"strawberry\"<\/span>};<\/span>\r\n\t\tint<\/span>[]<\/span> prices<\/span> =<\/span> {<\/span>300<\/span>,<\/span>500<\/span>,<\/span>100<\/span>};<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5c31\u662f\u8fd9\u79cd\u611f\u89c9\u3002<\/p>\n
\u5faa\u73af\u5904\u7406\u548c\u6761\u4ef6\u5b9a\u4e49
\n\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528for\u5faa\u73af\u8fdb\u884c\u8fed\u4ee3\u5904\u7406\uff01
\n\u8fd9\u6b21\u6211\u4eec\u5bf9\u6570\u7ec4fruits\u8fdb\u884c\u8fed\u4ee3\u5904\u7406\uff0c\u5e76\u5c06prices\u5e94\u7528\u4e8e\u8f93\u51fa\u7ed3\u679c\uff0c
\n\u7f16\u5199\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
for<\/span> (<\/span>String<\/span> fruit:<\/span> fruits<\/span>)<\/span> {}<\/span>\r\n<\/code><\/pre>\n
\u4e0b\u9762\u662f\u4f7f\u7528if\u8bed\u53e5\u63cf\u8ff0\u201c\u9999\u8549\u3001\u6a59\u5b50\u3001\u8349\u8393\u201d\u5404\u81ea\u7684\u8868\u8fbe\u65b9\u5f0f\u3002<\/p>\n
if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"banana\"<\/span>))<\/span> {<\/span>\r\n}<\/span>else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"orange\"<\/span>))<\/span> {<\/span>\r\n}<\/span>else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"strawberry\"<\/span>))<\/span> {<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u8fd9\u91cc\uff0c\u51fa\u73b0\u7684equals\u65b9\u6cd5\u4ee5\u4e0b\u8ff0\u65b9\u5f0f\u8fdb\u884c\u7f16\u5199\u548c\u4f7f\u7528\u3002<\/p>\n
\u6587\u5b57\u52171.equals(\u6587\u5b57\u52172)\r\n<\/code><\/pre>\n
\u5982\u679c\u5b57\u7b26\u4e321\u7b49\u4e8e\u5b57\u7b26\u4e322\uff0c\u5219\u8fd4\u56detrue\u3002\u548ca == b\u7684\u610f\u601d\u76f8\u540c\u3002<\/p>\n
\u5982\u679c\u5728\u7a0b\u5e8f\u4e2d\u5199\u4e0b\u5230\u8fd9\u91cc\u7684\u8bdd\u3001\u3001<\/p>\n
package<\/span> jp.kiso<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> PriceCheck<\/span> {<\/span>\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\tString<\/span>[]<\/span> fruits<\/span> =<\/span> {<\/span>\"banana\"<\/span>,<\/span>\"orange\"<\/span>,<\/span>\"strawberry\"<\/span>};<\/span>\r\n\t\tint<\/span>[]<\/span> prices<\/span> =<\/span> {<\/span>300<\/span>,<\/span>500<\/span>,<\/span>100<\/span>};<\/span>\r\n\r\n\t\tfor<\/span> (<\/span>String<\/span> fruit:<\/span> fruits<\/span>)<\/span> {<\/span>\r\n\t\t\tif<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"banana\"<\/span>))<\/span> {<\/span>\r\n\t\t\t}<\/span>else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"orange\"<\/span>))<\/span> {<\/span>\r\n\t\t\t}<\/span>else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"strawberry\"<\/span>))<\/span> {<\/span>\r\n\t\t\t}<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u9009\u9879\uff1a<\/p>\n
\u5c31\u4f1a\u53d8\u5f97\u50cf\u8fd9\u6837\u7684\u611f\u89c9\u3002<\/p>\n
\u51fa\u529b\u578b\u7684\u63cf\u8ff0 (Ch\u016b l\u00ec de j\u00ec sh\u00f9)\u6700\u540e\uff0c\u6211\u4eec\u5c06\u6309\u7167\u6307\u793a\u5f00\u59cb\u7f16\u5199\u8f93\u51fa\u8868\u8fbe\u5f0f\uff01<\/p>\n
\u5f53\u6570\u7ec4\u7684\u5143\u7d20\u4e3a”banana”\u65f6\uff0c\u8bf7\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002
\n\u4ece\u4e0a\u8ff0\u5185\u5bb9\u53ef\u4ee5\u770b\u51fa\uff0c\u9999\u8549\u7684\u4ef7\u683c\u7b49\u4e8e300\u3002
\n\u5c06\u5176\u8f6c\u5316\u4e3a\u8f93\u51fa\u8868\u8fbe\u5f0f\uff0c\u5219\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"banana\"<\/span>))<\/span> {<\/span>\r\n\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>prices<\/span>[<\/span>0<\/span>]);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u6309\u7167\u8fd9\u4e2a\u8d8b\u52bf\u7ee7\u7eed\u8fdb\u884c\uff0c\u5269\u4e0b\u7684\u4e24\u4e2a\u4e5f\u4f1a\u524d\u8fdb\u3002<\/p>\n
else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"orange\"<\/span>))<\/span> {<\/span>\r\n\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>prices<\/span>[<\/span>2<\/span>]);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"strawberry\"<\/span>))<\/span> {<\/span>\r\n\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>prices<\/span>[<\/span>1<\/span>]);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u751f\u6210\u5982\u4e0a\u8ff0\u7684\u8f93\u51fa\u8868\u8fbe\u5f0f\u3002<\/p>\n
\u6700\u540e\uff0c\u5f53\u5c06\u5b83\u4eec\u5199\u5165\u7a0b\u5e8f\u5185\u65f6\uff0c…<\/p>\n
package<\/span> jp.kiso<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> PriceCheck<\/span> {<\/span>\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\t\tString<\/span>[]<\/span> fruits<\/span> =<\/span> {<\/span>\"banana\"<\/span>,<\/span>\"orange\"<\/span>,<\/span>\"strawberry\"<\/span>};<\/span>\r\n\t\tint<\/span>[]<\/span> prices<\/span> =<\/span> {<\/span>300<\/span>,<\/span>500<\/span>,<\/span>100<\/span>};<\/span>\r\n\t\t\r\n\t\tfor<\/span> (<\/span>String<\/span> fruit:<\/span> fruits<\/span>)<\/span> {<\/span>\r\n\t\t\tif<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"banana\"<\/span>))<\/span> {<\/span>\r\n\t\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>prices<\/span>[<\/span>0<\/span>]);<\/span>\r\n\t\t\t}<\/span>else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"orange\"<\/span>))<\/span> {<\/span>\r\n\t\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>prices<\/span>[<\/span>2<\/span>]);<\/span>\r\n\t\t\t}<\/span>else<\/span> if<\/span> (<\/span>fruit<\/span>.<\/span>equals<\/span>(<\/span>\"strawberry\"<\/span>))<\/span> {<\/span>\r\n\t\t\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>prices<\/span>[<\/span>1<\/span>]);<\/span>\r\n\t\t\t}<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\uff01<\/p>\n
\u5f53\u6211\u4eec\u5b9e\u9645\u8fd0\u884c\u7a0b\u5e8f\u65f6\uff0c<\/p>\n
300\r\n100\r\n500\r\n<\/code><\/pre>\n
\u6bcf\u4e2a\u6c34\u679c\u7684\u4ef7\u683c\u5c06\u6309\u7167\u6307\u793a\u8f93\u51fa\u3002<\/p>\n
\u6700\u7ec8
\n\u8bf7\u95ee\u60a8\u89c9\u5f97\u5982\u4f55\u5462\uff01<\/p>\n
\u6211\u7b2c\u4e00\u6b21\u5b66\u4e60Java\uff0c\u53d1\u73b0\u5982\u679c\u6709Ruby\u7684\u57fa\u7840\uff0c\u5bf9\u4e8e\u8bed\u6cd5\u7684\u719f\u6089\u7a0b\u5ea6\u4f1a\u66f4\u5bb9\u6613\u4e0a\u624b\uff0c\u540c\u65f6\u4e5f\u518d\u6b21\u610f\u8bc6\u5230\u4e86Ruby\u76f8\u5bf9\u7b80\u6d01\u7684\u7279\u70b9\uff0c\u8ba9\u6211\u6536\u83b7\u6ee1\u6ee1\uff01<\/p>\n
\u6211\u60f3\u8981\u7ee7\u7eed\u5b66\u4e60\u4e0b\u53bb\uff01\uff01<\/p>\n
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\u4f60\u597d\uff0c\u6211\u662f\u4e00\u4e2a\u7f16\u7a0b\u521d\u5b66\u8005”fujitacoma”\uff01 \u7531\u4e8e\u6709\u673a\u4f1a\u5b66\u4e60Java\u7684\u57fa\u7840\u7f16\u7a0b\uff0c […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31364","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0bJava\uff01 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0bJava\uff01\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0bjava\uff01\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0bJava\uff01\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0bJava\uff01\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0bjava\uff01\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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