{"id":31605,"date":"2023-05-05T22:34:37","date_gmt":"2022-12-14T21:26:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%95%b0%e7%bb%84%e7%ac%94%e8%ae%b0-3\/"},"modified":"2024-04-30T02:48:34","modified_gmt":"2024-04-29T18:48:34","slug":"%e3%80%90java%e3%80%91%e6%95%b0%e7%bb%84%e7%ac%94%e8%ae%b0-3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e6%95%b0%e7%bb%84%e7%ac%94%e8%ae%b0-3\/","title":{"rendered":"\u3010Java\u3011\u6570\u7ec4\u7b14\u8bb0"},"content":{"rendered":"<h1>\u6570\u7ec4<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u914d\u5217\u306e\u7a2e\u985e<\/ul>\n<\/li>\n<\/ul>\n<p>\u914d\u5217<br \/>\n\u591a\u6b21\u5143\u914d\u5217<\/p>\n<p>\u914d\u5217\u306efor\u69cb\u6587<\/p>\n<p>\u62e1\u5f35for\u69cb\u6587<\/p>\n<p>int\u914d\u5217\u8981\u7d20\u306e\u5e73\u5747\u8a08\u7b97\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0<\/p>\n<h2>\u6570\u7ec4\u7684\u79cd\u7c7b<\/h2>\n<h3>\u6570\u7ec4<\/h3>\n<p>\u56e0\u4e3a\u7b80\u7565\u8bb0\u6cd5\u5f88\u65b9\u4fbf\uff0c\u6240\u4ee5\u6211\u60f3\u8981\u7ee7\u7eed\u4f7f\u7528\u5b83\uff0c\u4f46\u662f\u8003\u8651\u5230\u5783\u573e\u5904\u7406\u7684\u95ee\u9898\uff0c\u6211\u4e5f\u60f3\u8981\u7262\u8bb0\u5982\u4f55\u6b63\u786e\u4f7f\u7528new\u8fd9\u79cd\u6b63\u5f0f\u5199\u6cd5\u3002\u867d\u7136\u6709\u5783\u573e\u6536\u96c6\u673a\u5236\uff0c\u4f46\u662f\u5982\u679c\u7701\u7565\u4e86new\u7684\u90e8\u5206\uff0c\u6211\u4eec\u5199\u7b80\u7565\u8bb0\u6cd5\u65f6\u5fc5\u987b\u8981\u6709\u6e05\u695a\u7684\u81ea\u89c9\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ \u6b63\u5f0f\u306a\u66f8\u304d\u65b9<\/span>\r\n<span class=\"kt\">int<\/span><span class=\"o\">[]<\/span> <span class=\"n\">scores<\/span><span class=\"o\">;<\/span> <span class=\"c1\">\/\/\u914d\u5217\u5909\u6570\u306e\u5ba3\u8a00<\/span>\r\n<span class=\"n\">scores<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"kt\">int<\/span><span class=\"o\">[<\/span><span class=\"mi\">3<\/span><span class=\"o\">];<\/span> <span class=\"c1\">\/\/\u914d\u5217\u8981\u7d20\u306e\u5ba3\u8a00<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">]=<\/span><span class=\"mi\">10<\/span><span class=\"o\">;<\/span> <span class=\"c1\">\/\/\u914d\u5217\u8981\u7d20\u4ee3\u5165<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">]=<\/span><span class=\"mi\">20<\/span><span class=\"o\">;<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">2<\/span><span class=\"o\">]=<\/span><span class=\"mi\">30<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u7565\u8a18\u6cd5<\/span>\r\n<span class=\"kt\">int<\/span><span class=\"o\">[]<\/span> <span class=\"n\">scores<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"kt\">int<\/span><span class=\"o\">[]{<\/span><span class=\"mi\">10<\/span><span class=\"o\">,<\/span><span class=\"mi\">20<\/span><span class=\"o\">,<\/span><span class=\"mi\">30<\/span><span class=\"o\">};<\/span>\r\n<span class=\"kt\">int<\/span><span class=\"o\">[]<\/span> <span class=\"n\">scores<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span><span class=\"mi\">10<\/span><span class=\"o\">,<\/span><span class=\"mi\">20<\/span><span class=\"o\">,<\/span><span class=\"mi\">30<\/span><span class=\"o\">};<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u3059\u3079\u3066\u7b49\u4fa1<\/span>\r\n<\/code><\/pre>\n<h3>\u591a\u7ef4\u6570\u7ec4<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ \u6b63\u5f0f\u306a\u66f8\u304d\u65b9<\/span>\r\n<span class=\"nc\">String<\/span><span class=\"o\">[][]<\/span> <span class=\"n\">scores<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">String<\/span><span class=\"o\">[<\/span><span class=\"mi\">2<\/span><span class=\"o\">][<\/span><span class=\"mi\">3<\/span><span class=\"o\">];<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">][<\/span><span class=\"mi\">0<\/span><span class=\"o\">]=<\/span><span class=\"s\">\"A1\"<\/span><span class=\"o\">;<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">][<\/span><span class=\"mi\">1<\/span><span class=\"o\">]=<\/span><span class=\"s\">\"A2\"<\/span><span class=\"o\">;<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">][<\/span><span class=\"mi\">2<\/span><span class=\"o\">]=<\/span><span class=\"s\">\"A3\"<\/span><span class=\"o\">;<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">][<\/span><span class=\"mi\">0<\/span><span class=\"o\">]=<\/span><span class=\"s\">\"B1\"<\/span><span class=\"o\">;<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">][<\/span><span class=\"mi\">1<\/span><span class=\"o\">]=<\/span><span class=\"s\">\"B2\"<\/span><span class=\"o\">;<\/span>\r\n<span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">][<\/span><span class=\"mi\">2<\/span><span class=\"o\">]=<\/span><span class=\"s\">\"B3\"<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u591a\u6b21\u5143\u914d\u5217\u306e\u7565\u8a18\u6cd5<\/span>\r\n<span class=\"nc\">String<\/span><span class=\"o\">[][]<\/span> <span class=\"n\">scores<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{{<\/span><span class=\"s\">\"A1\"<\/span><span class=\"o\">,<\/span><span class=\"s\">\"A2\"<\/span><span class=\"o\">,<\/span><span class=\"s\">\"A3\"<\/span><span class=\"o\">},{<\/span><span class=\"s\">\"B1\"<\/span><span class=\"o\">,<\/span><span class=\"s\">\"B2\"<\/span><span class=\"o\">,<\/span><span class=\"s\">\"B3\"<\/span><span class=\"o\">}};<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u3059\u3079\u3066\u7b49\u4fa1<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528\u914d\u5217\u7684for\u5faa\u73af\u548c\u589e\u5f3a\u578bfor\u5faa\u73af\u3002<\/h2>\n<p>\u914d\u5217\u540d.length\u80fd\u591f\u83b7\u53d6\u5e76\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ \u914d\u5217\u306e\u4f5c\u6210<\/span>\r\n<span class=\"kt\">int<\/span><span class=\"o\">[]<\/span> <span class=\"n\">scores<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span><span class=\"mi\">10<\/span><span class=\"o\">,<\/span><span class=\"mi\">20<\/span><span class=\"o\">,<\/span><span class=\"mi\">30<\/span><span class=\"o\">};<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u4e00\u822c\u7684\u306afor\u69cb\u6587<\/span>\r\n<span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">scores<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++){<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"n\">i<\/span><span class=\"o\">]);<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u62e1\u5f35for\u69cb\u6587<\/span>\r\n<span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"nl\">value:<\/span><span class=\"n\">scores<\/span><span class=\"o\">){<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">values<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5728\u591a\u7ef4\u6570\u7ec4\u7684\u60c5\u51b5\u4e0b<\/h3>\n<pre class=\"post-pre\"><code>\r\n<span class=\"c1\">\/\/ \u914d\u5217\u306e\u4f5c\u6210<\/span>\r\n<span class=\"kt\">int<\/span> <span class=\"n\">scores<\/span><span class=\"o\">[][]={{<\/span><span class=\"mi\">10<\/span><span class=\"o\">,<\/span><span class=\"mi\">11<\/span><span class=\"o\">,<\/span><span class=\"mi\">12<\/span><span class=\"o\">},{<\/span><span class=\"mi\">21<\/span><span class=\"o\">,<\/span><span class=\"mi\">22<\/span><span class=\"o\">,<\/span><span class=\"mi\">23<\/span><span class=\"o\">}};<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u4e00\u822c\u7684\u306afor\u69cb\u6587<\/span>\r\n<span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">scores<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++){<\/span>\r\n    <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">ii<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">ii<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"n\">i<\/span><span class=\"o\">].<\/span><span class=\"na\">length<\/span><span class=\"o\">;<\/span> <span class=\"n\">ii<\/span><span class=\"o\">++){<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">scores<\/span><span class=\"o\">[<\/span><span class=\"n\">i<\/span><span class=\"o\">][<\/span><span class=\"n\">ii<\/span><span class=\"o\">]);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u53c2\u8003\u4e66\u7c4d\u7684\u66ff\u4ee3\u9009\u62e9<\/h1>\n<p>\u300aJava\u5165\u95e8\u7b2c2\u7248\u300b\u7b2c138-166\u9875<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u7ec4 \u914d\u5217\u306e\u7a2e\u985e \u914d\u5217 \u591a\u6b21\u5143\u914d\u5217 \u914d\u5217\u306efor\u69cb\u6587 \u62e1\u5f35for\u69cb\u6587 int\u914d\u5217\u8981\u7d20\u306e\u5e73\u5747\u8a08\u7b97\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31605","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Java\u3011\u6570\u7ec4\u7b14\u8bb0 - Blog - Silicon Cloud<\/title>\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\/\u3010java\u3011\u6570\u7ec4\u7b14\u8bb0-3\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Java\u3011\u6570\u7ec4\u7b14\u8bb0\" \/>\n<meta property=\"og:description\" content=\"\u6570\u7ec4 \u914d\u5217\u306e\u7a2e\u985e \u914d\u5217 \u591a\u6b21\u5143\u914d\u5217 \u914d\u5217\u306efor\u69cb\u6587 \u62e1\u5f35for\u69cb\u6587 int\u914d\u5217\u8981\u7d20\u306e\u5e73\u5747\u8a08\u7b97\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u6570\u7ec4\u7b14\u8bb0-3\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-14T21:26:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T18:48:34+00:00\" \/>\n<meta name=\"author\" content=\"\u65b0, \u97f5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta 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