{"id":65172,"date":"2025-05-03T17:31:52","date_gmt":"2025-05-03T09:31:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65172\/"},"modified":"2025-05-03T17:31:52","modified_gmt":"2025-05-03T09:31:52","slug":"java%e6%95%b0%e7%bb%84%e5%ae%9a%e4%b9%89%e6%9c%89%e5%93%aa%e4%ba%9b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65172\/","title":{"rendered":"java\u6570\u7ec4\u5b9a\u4e49\u6709\u54ea\u4e9b"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u662f\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u3002\u4e00\u7ef4\u6570\u7ec4\u5b58\u50a8\u5355\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\uff08\u4f8b\u5982\uff1aint[] numbers = new int[10]\uff09\uff0c\u800c\u591a\u7ef4\u6570\u7ec4\u5b58\u50a8\u591a\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\uff08\u4f8b\u5982\uff1aint[][] matrix = new int[3][4]\uff09\u3002\u6570\u7ec4\u5143\u7d20\u53ef\u5728\u5b9a\u4e49\u65f6\u4f7f\u7528\u5927\u62ec\u53f7\u521d\u59cb\u5316\uff08\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}\uff09\u3002\u6570\u7ec4\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\uff08\u4f8b\u5982\uff1aint length = numbers.length; \/\/ 5\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111210041679207.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u5b9a\u4e49\u6709\u54ea\u4e9b\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u5b9a\u4e49\u6709\u54ea\u4e9b\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u5b9a\u4e49<\/strong><\/p>\n<p>Java \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5143\u7d20\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u7d22\u5f15\u4e3a 0\u3002<\/p>\n<p><strong>\u4e00\u7ef4\u6570\u7ec4\u7684\u5b9a\u4e49<\/strong><\/p>\n<p>\u4e00\u7ef4\u6570\u7ec4\u5b58\u50a8\u5355\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u7c7b\u578b[\u5927\u5c0f];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[10];\nString[] names = new String[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u591a\u7ef4\u6570\u7ec4\u7684\u5b9a\u4e49<\/strong><\/p>\n<p>\u591a\u7ef4\u6570\u7ec4\u5b58\u50a8\u591a\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\uff1a<\/p>\n<pre>\u7c7b\u578b[][] \u6570\u7ec4\u540d = new \u7c7b\u578b[\u5927\u5c0f1][\u5927\u5c0f2];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>int[][] matrix = new int[3][4];\nString[][] grid = new String[5][5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u5143\u7d20\u7684\u521d\u59cb\u5316<\/strong><\/p>\n<p>\u53ef\u4ee5\u5728\u5b9a\u4e49\u6570\u7ec4\u65f6\u4f7f\u7528\u5927\u62ec\u53f7\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nString[] names = {\"John\", \"Mary\", \"Bob\"};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6570\u7ec4\u5927\u5c0f<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u5927\u5c0f\uff1a<\/p>\n<pre>int length = numbers.length; \/\/ 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u5b9a\u4e49\u6709\u54ea\u4e9b\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\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u3002\u4e00\u7ef4\u6570\u7ec4\u5b58\u50a8\u5355\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\uff08\u4f8b\u5982\uff1aint[] numbers = new int[10]\uff09\uff0c\u800c\u591a\u7ef4\u6570\u7ec4\u5b58\u50a8\u591a\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\uff08\u4f8b\u5982\uff1aint[][] matrix = new int[3][4]\uff09\u3002\u6570\u7ec4\u5143\u7d20\u53ef\u5728\u5b9a\u4e49\u65f6\u4f7f\u7528\u5927\u62ec\u53f7\u521d\u59cb\u5316\uff08\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}\uff09\u3002\u6570\u7ec4\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\uff08\u4f8b\u5982\uff1aint length = numbers.length; \/\/ 5\uff09\u3002 Java \u6570\u7ec4\u5b9a\u4e49 Java \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5143\u7d20\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u7d22\u5f15\u4e3a 0\u3002 \u4e00\u7ef4\u6570\u7ec4\u7684\u5b9a\u4e49 \u4e00\u7ef4\u6570\u7ec4\u5b58\u50a8\u5355\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u7c7b\u578b[] \u6570\u7ec4\u540d = new \u7c7b\u578b[\u5927\u5c0f]; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a int[] numbers = new int[10]; String[] names = new String[5]; \u767b\u5f55\u540e\u590d\u5236 \u591a\u7ef4\u6570\u7ec4\u7684\u5b9a\u4e49 \u591a\u7ef4\u6570\u7ec4\u5b58\u50a8\u591a\u4e2a\u7ef4\u5ea6\u7684\u5143\u7d20\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\uff1a \u7c7b\u578b[][] \u6570\u7ec4\u540d = [&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-65172","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65172","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=65172"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65172\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}