{"id":39307,"date":"2024-11-26T12:35:07","date_gmt":"2024-11-26T04:35:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39307\/"},"modified":"2024-11-26T12:35:07","modified_gmt":"2024-11-26T04:35:07","slug":"java%e6%80%8e%e4%b9%88%e5%be%80%e6%95%b0%e7%bb%84%e9%87%8c%e5%8a%a0%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39307\/","title":{"rendered":"java\u600e\u4e48\u5f80\u6570\u7ec4\u91cc\u52a0\u6570\u636e"},"content":{"rendered":"<blockquote><p>\n  \u6709\u4e09\u79cd\u5411 java \u6570\u7ec4\u6dfb\u52a0\u6570\u636e\u7684\u65b9\u6cd5\uff1a\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff1b\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u6216\u5176\u8303\u56f4\uff1b\u521b\u5efa\u65b0\u6570\u7ec4\u5e76\u590d\u5236\u539f\u59cb\u6570\u7ec4\u6570\u636e\uff0c\u518d\u6dfb\u52a0\u65b0\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111606192680076.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5f80\u6570\u7ec4\u91cc\u52a0\u6570\u636e\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5f80\u6570\u7ec4\u91cc\u52a0\u6570\u636e\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5411 Java \u6570\u7ec4\u4e2d\u6dfb\u52a0\u6570\u636e<\/strong><\/p>\n<p>Java \u6570\u7ec4\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u540c\u4e00\u7c7b\u578b\u5143\u7d20\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5411 Java \u6570\u7ec4\u4e2d\u6dfb\u52a0\u6570\u636e\uff1a<\/p>\n<p><strong>\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee<\/strong><\/p>\n<p>\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u5c06\u5176\u66f4\u65b0\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = new int[5];\nnumbers[0] = 10;  \/\/ \u5728\u7d22\u5f15 0 \u5904\u6dfb\u52a0\u503c 10\nnumbers[1] = 20;  \/\/ \u5728\u7d22\u5f15 1 \u5904\u6dfb\u52a0\u503c 20<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.fill() \u65b9\u6cd5\u53ef\u7528\u4e8e\u7528\u6307\u5b9a\u503c\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u6216\u5176\u6307\u5b9a\u8303\u56f4\u5185\u7684\u90e8\u5206\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[5];\nArrays.fill(numbers, 10);  \/\/ \u7528 10 \u586b\u5145\u6574\u4e2a\u6570\u7ec4\nArrays.fill(numbers, 2, 4, 20);  \/\/ \u7528 20 \u586b\u5145\u7d22\u5f15 2 \u5230 3 \u7684\u8303\u56f4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u521b\u5efa\u65b0\u6570\u7ec4\u5e76\u590d\u5236\u6570\u636e<\/strong><\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u5411\u73b0\u6709\u6570\u7ec4\u4e2d\u6dfb\u52a0\u66f4\u591a\u5143\u7d20\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u5927\u5c0f\u8db3\u4ee5\u5bb9\u7eb3\u539f\u59cb\u6570\u7ec4\u548c\u65b0\u5143\u7d20\u3002\u7136\u540e\uff0c\u5c06\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\uff0c\u5e76\u6dfb\u52a0\u65b0\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = {10, 20, 30};\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u6bd4\u539f\u59cb\u6570\u7ec4\u5927\nint[] newArray = new int[numbers.length + 1];\n\n\/\/ \u590d\u5236\u539f\u59cb\u6570\u7ec4\u5143\u7d20\u5230\u65b0\u6570\u7ec4\nSystem.arraycopy(numbers, 0, newArray, 0, numbers.length);\n\n\/\/ \u6dfb\u52a0\u65b0\u5143\u7d20\nnewArray[numbers.length] = 40;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5f80\u6570\u7ec4\u91cc\u52a0\u6570\u636e\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>\u6709\u4e09\u79cd\u5411 java \u6570\u7ec4\u6dfb\u52a0\u6570\u636e\u7684\u65b9\u6cd5\uff1a\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff1b\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u6216\u5176\u8303\u56f4\uff1b\u521b\u5efa\u65b0\u6570\u7ec4\u5e76\u590d\u5236\u539f\u59cb\u6570\u7ec4\u6570\u636e\uff0c\u518d\u6dfb\u52a0\u65b0\u5143\u7d20\u3002 \u5982\u4f55\u5411 Java \u6570\u7ec4\u4e2d\u6dfb\u52a0\u6570\u636e Java \u6570\u7ec4\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u540c\u4e00\u7c7b\u578b\u5143\u7d20\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5411 Java \u6570\u7ec4\u4e2d\u6dfb\u52a0\u6570\u636e\uff1a \u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee \u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u5c06\u5176\u66f4\u65b0\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; numbers[0] = 10; \/\/ \u5728\u7d22\u5f15 0 \u5904\u6dfb\u52a0\u503c 10 numbers[1] = 20; \/\/ \u5728\u7d22\u5f15 1 \u5904\u6dfb\u52a0\u503c 20 \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5 Arrays.fill() \u65b9\u6cd5\u53ef\u7528\u4e8e\u7528\u6307\u5b9a\u503c\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u6216\u5176\u6307\u5b9a\u8303\u56f4\u5185\u7684\u90e8\u5206\u3002\u4f8b\u5982\uff1a int[] numbers = new int[5]; Arrays.fill(numbers, 10); \/\/ \u7528 10 \u586b\u5145\u6574\u4e2a\u6570\u7ec4 Arrays.fill(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-39307","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39307","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=39307"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39307\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}