{"id":37054,"date":"2024-11-26T10:19:21","date_gmt":"2024-11-26T02:19:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37054\/"},"modified":"2024-11-26T10:19:21","modified_gmt":"2024-11-26T02:19:21","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%b0%83%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37054\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u600e\u4e48\u8c03\u7528"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u8c03\u7528\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u58f0\u660e\u6570\u7ec4\uff1a\u6307\u5b9a\u6570\u7ec4\u7c7b\u578b\u548c\u957f\u5ea6\u3002\u4f8b\u5982\uff1aint[] numbers = new int[5];\u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528\u7d22\u5f15\uff0c\u4f8b\u5982\uff1anumbers[2] = 10;\u904d\u5386\u6570\u7ec4\uff1a\u4f7f\u7528\u5faa\u73af\uff0c\u4f8b\u5982\uff1afor (int number : numbers) {&#8230;};\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1a\u4f7f\u7528 length \u5c5e\u6027\uff0c\u4f8b\u5982\uff1aint length = numbers.length;\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff1a\u4f8b\u5982\uff1aint[][] matrix = new int3;\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111300243132975.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u8c03\u7528\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u8c03\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u8c03\u7528 Java \u6570\u7ec4<\/strong><\/p>\n<p>Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u4e00\u7cfb\u5217\u76f8\u540c\u7c7b\u578b\u7684\u503c\u3002\u6570\u7ec4\u901a\u8fc7\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u6765\u8c03\u7528\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u6307\u5411\u6570\u7ec4\u5143\u7d20\u7684\u5f15\u7528\u3002\u4ee5\u4e0b\u662f\u8c03\u7528 Java \u6570\u7ec4\u7684\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u58f0\u660e\u6570\u7ec4\uff1a<\/strong><br \/>\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u7c7b\u578b\u548c\u957f\u5ea6\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u957f\u5ea6];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = new int[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><br \/>\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u6700\u5927\u7d22\u5f15\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>\u6570\u7ec4\u540d[\u7d22\u5f15]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>numbers[2] = 10;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u6216 enhanced for \u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 enhanced for \u5faa\u73af\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>for (int number : numbers) {\n    \/\/ \u5904\u7406\u6570\u7ec4\u5143\u7d20\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u6570\u7ec4\u957f\u5ea6\uff1a<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int length = numbers.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>5. \u591a\u7ef4\u6570\u7ec4\uff1a<\/strong><br \/>Java \u4e5f\u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u4f8b\u5982\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] matrix = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><br \/>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u58f0\u660e\u3001\u8bbf\u95ee\u548c\u904d\u5386 Java \u6570\u7ec4\uff1a<\/p>\n<pre>public class Main {\n    public static void main(String[] args) {\n        \/\/ \u58f0\u660e\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\n        int[] numbers = new int[5];\n\n        \/\/ \u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20\n        numbers[0] = 1;\n        numbers[1] = 2;\n        numbers[2] = 3;\n        numbers[3] = 4;\n        numbers[4] = 5;\n\n        \/\/ \u904d\u5386\u6570\u7ec4\n        for (int number : numbers) {\n            System.out.println(number);\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>1\n2\n3\n4\n5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u600e\u4e48\u8c03\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u8c03\u7528\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u58f0\u660e\u6570\u7ec4\uff1a\u6307\u5b9a\u6570\u7ec4\u7c7b\u578b\u548c\u957f\u5ea6\u3002\u4f8b\u5982\uff1aint[] numbers = new int[5];\u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528\u7d22\u5f15\uff0c\u4f8b\u5982\uff1anumbers[2] = 10;\u904d\u5386\u6570\u7ec4\uff1a\u4f7f\u7528\u5faa\u73af\uff0c\u4f8b\u5982\uff1afor (int number : numbers) {&#8230;};\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff1a\u4f7f\u7528 length \u5c5e\u6027\uff0c\u4f8b\u5982\uff1aint length = numbers.length;\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff1a\u4f8b\u5982\uff1aint[][] matrix = new int3; \u5982\u4f55\u8c03\u7528 Java \u6570\u7ec4 Java \u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u4e00\u7cfb\u5217\u76f8\u540c\u7c7b\u578b\u7684\u503c\u3002\u6570\u7ec4\u901a\u8fc7\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\u6765\u8c03\u7528\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u6307\u5411\u6570\u7ec4\u5143\u7d20\u7684\u5f15\u7528\u3002\u4ee5\u4e0b\u662f\u8c03\u7528 Java \u6570\u7ec4\u7684\u6b65\u9aa4\uff1a 1. \u58f0\u660e\u6570\u7ec4\uff1a\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u7c7b\u578b\u548c\u957f\u5ea6\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u957f\u5ea6]; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u6700\u5927\u7d22\u5f15\u4e3a\u6570\u7ec4\u957f\u5ea6\u51cf 1\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u6570\u7ec4\u540d[\u7d22\u5f15] \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b numbers[2] [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-37054","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=37054"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37054\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}