{"id":66044,"date":"2025-05-03T11:40:51","date_gmt":"2025-05-03T03:40:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66044\/"},"modified":"2025-05-03T11:40:51","modified_gmt":"2025-05-03T03:40:51","slug":"%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e6%94%be%e5%85%a5%e6%95%b0%e7%bb%84%e4%b8%adjava-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66044\/","title":{"rendered":"\u600e\u4e48\u628a\u6570\u653e\u5165\u6570\u7ec4\u4e2djava"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6\u3002\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u6ce8\u610f\u6570\u7ec4\u7d22\u5f15\u5fc5\u987b\u5728 0 \u548c\u6570\u7ec4\u957f\u5ea6\u4e4b\u95f4\u3002\u6570\u7ec4\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u521b\u5efa\u540e\u4e0d\u80fd\u66f4\u6539\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111412125044872.jpg\" class=\"aligncenter\" title=\"\u600e\u4e48\u628a\u6570\u653e\u5165\u6570\u7ec4\u4e2djava\u63d2\u56fe\" alt=\"\u600e\u4e48\u628a\u6570\u653e\u5165\u6570\u7ec4\u4e2djava\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u6570\u7ec4\u5e76\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\u4e2d\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u521b\u5efa\u6570\u7ec4\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521b\u5efa\u6570\u7ec4\u3002<\/p>\n<pre>int[] myArray = new int[length];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d length \u662f\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528\u7d22\u5f15\u8d4b\u503c\uff1a<\/strong>\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\u3002\u7d22\u5f15\u662f\u4ece 0 \u5f00\u59cb\u7684\u3002<\/p>\n<pre>myArray[index] = value;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d index \u662f\u6570\u7ec4\u7d22\u5f15\uff0cvalue \u662f\u8981\u653e\u5165\u7684\u503c\u3002<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4\nint[] numbers = new int[5];\n\n\/\/ \u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\nnumbers[0] = 10;\nnumbers[1] = 20;\nnumbers[2] = 30;\nnumbers[3] = 40;\nnumbers[4] = 50;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u7d22\u5f15\u5fc5\u987b\u5728 0 \u548c\u6570\u7ec4\u957f\u5ea6\u4e4b\u95f4\uff08\u4e0d\u542b\uff09\u3002<\/li>\n<li>\u5982\u679c\u5c1d\u8bd5\u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8303\u56f4\u7684\u7d22\u5f15\uff0c\u4f1a\u629b\u51fa ArrayIndexOutOfBoundsException\u3002<\/li>\n<li>\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u628a\u6570\u653e\u5165\u6570\u7ec4\u4e2djava\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>\u5728 java \u4e2d\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u957f\u5ea6\u3002\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002\u6ce8\u610f\u6570\u7ec4\u7d22\u5f15\u5fc5\u987b\u5728 0 \u548c\u6570\u7ec4\u957f\u5ea6\u4e4b\u95f4\u3002\u6570\u7ec4\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u521b\u5efa\u540e\u4e0d\u80fd\u66f4\u6539\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u6570\u7ec4\u5e76\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\u4e2d\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a \u521b\u5efa\u6570\u7ec4\uff1a\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u521b\u5efa\u6570\u7ec4\u3002 int[] myArray = new int[length]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d length \u662f\u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528\u7d22\u5f15\u8d4b\u503c\uff1a\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4\u3002\u7d22\u5f15\u662f\u4ece 0 \u5f00\u59cb\u7684\u3002 myArray[index] = value; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d index \u662f\u6570\u7ec4\u7d22\u5f15\uff0cvalue \u662f\u8981\u653e\u5165\u7684\u503c\u3002 \u793a\u4f8b\uff1a \/\/ \u521b\u5efa\u957f\u5ea6\u4e3a 5 \u7684\u6570\u7ec4 int[] numbers = new int[5]; \/\/ \u5c06\u6570\u636e\u653e\u5165\u6570\u7ec4 numbers[0] = 10; numbers[1] = 20; 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-66044","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66044","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=66044"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66044\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}