{"id":65317,"date":"2025-05-03T11:59:32","date_gmt":"2025-05-03T03:59:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65317\/"},"modified":"2025-05-03T11:59:32","modified_gmt":"2025-05-03T03:59:32","slug":"java%e9%87%8c%e6%80%8e%e4%b9%88%e5%86%99%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65317\/","title":{"rendered":"java\u91cc\u600e\u4e48\u5199\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u503c\u7684\u96c6\u5408\u3002\u58f0\u660e\u6570\u7ec4\u7684\u8bed\u6cd5\u4e3a\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f]\uff1b\u53ef\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u5143\u7d20\uff08\u4ece 0 \u5f00\u59cb\uff09\uff0c\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff0c\u901a\u8fc7\u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111220182249186.jpg\" class=\"aligncenter\" title=\"java\u91cc\u600e\u4e48\u5199\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u91cc\u600e\u4e48\u5199\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u58f0\u660e\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u503c\u7684\u96c6\u5408\u3002\u58f0\u660e\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f]\uff1b<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li> <strong>\u6570\u636e\u7c7b\u578b<\/strong>\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/li>\n<li> <strong>\u6570\u7ec4\u540d<\/strong>\uff1a\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li> <strong>\u5927\u5c0f<\/strong>\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/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>\u6b64\u4ee3\u7801\u58f0\u660e\u4e86\u4e00\u4e2a\u540d\u4e3a numbers \u7684\u6574\u578b\u6570\u7ec4\uff0c\u5176\u4e2d\u53ef\u4ee5\u5b58\u50a8 5 \u4e2a\u6574\u6570\u3002<\/p>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u6807\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4e0b\u6807\u662f\u4ece 0 \u5f00\u59cb\u7684\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>numbers[0] = 10;\nnumbers[1] = 20;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u5c06\u6570\u7ec4 numbers \u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\uff0c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 20\u3002<\/p>\n<p><strong>\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n<p>length \u5c5e\u6027\u5b58\u50a8\u4e86\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u3002<\/p>\n<pre>int length = numbers.length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u5c06 numbers \u6570\u7ec4\u7684\u957f\u5ea6\u5b58\u50a8\u5728\u53d8\u91cf length \u4e2d\u3002<\/p>\n<p><strong>\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>for (int i = 0; i &lt; numbers.length; i++) {\n    System.out.println(numbers[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u5c06\u6253\u5370\u6570\u7ec4 numbers \u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<p>\u8fd8\u53ef\u4ee5\u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\uff1a<\/p>\n<pre>for (int number : numbers) {\n    System.out.println(number);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u91cc\u600e\u4e48\u5199\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u503c\u7684\u96c6\u5408\u3002\u58f0\u660e\u6570\u7ec4\u7684\u8bed\u6cd5\u4e3a\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f]\uff1b\u53ef\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u5143\u7d20\uff08\u4ece 0 \u5f00\u59cb\uff09\uff0c\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff0c\u901a\u8fc7\u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002 Java \u4e2d\u58f0\u660e\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u503c\u7684\u96c6\u5408\u3002\u58f0\u660e\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f]\uff1b \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u6570\u636e\u7c7b\u578b\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\u3002 \u6570\u7ec4\u540d\uff1a\u6570\u7ec4\u7684\u540d\u79f0\u3002 \u5927\u5c0f\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u4ee3\u7801\u58f0\u660e\u4e86\u4e00\u4e2a\u540d\u4e3a numbers \u7684\u6574\u578b\u6570\u7ec4\uff0c\u5176\u4e2d\u53ef\u4ee5\u5b58\u50a8 5 \u4e2a\u6574\u6570\u3002 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e0b\u6807\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4e0b\u6807\u662f\u4ece 0 \u5f00\u59cb\u7684\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b numbers[0] = 10; numbers[1] = 20; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u4ee3\u7801\u5c06\u6570\u7ec4 numbers \u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\uff0c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 20\u3002 [&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-65317","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65317","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=65317"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65317\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}