{"id":34574,"date":"2024-11-26T16:38:21","date_gmt":"2024-11-26T08:38:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34574\/"},"modified":"2024-11-26T16:38:21","modified_gmt":"2024-11-26T08:38:21","slug":"java%e6%80%8e%e4%b9%88%e7%bb%99%e6%95%b0%e7%bb%84%e5%85%a8%e8%b5%8b%e5%80%bc%e4%b8%ba%e9%9b%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34574\/","title":{"rendered":"java\u600e\u4e48\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5faa\u73af\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u4f7f\u7528 java 8 \u6d41\u4f7f\u7528 memset() \u65b9\u6cd5\uff08\u4ec5\u9650 c \u4e2d\u7684 java\uff09\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110217131621049.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6\u63d2\u56fe\" alt=\"java\u600e\u4e48\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7528 Java \u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6<\/strong><\/p>\n<p>Java \u4e2d\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n<p>\u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u96f6\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] array = new int[5];\n\nfor (int i = 0; i &lt; array.length; i++) {\n    array[i] = 0;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n<p>Java \u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a Arrays.fill() \u7684\u5b9e\u7528\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u7ed9\u5b9a\u503c\u3002<\/p>\n<pre>int[] array = new int[5];\nArrays.fill(array, 0);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 Java 8 \u6d41<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86\u6d41 API\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u7b80\u6d01\u7684\u65b9\u6cd5\u6765\u5904\u7406\u6570\u7ec4\u3002<\/p>\n<pre>int[] array = new int[5];\nIntStream.range(0, array.length).forEach(i -&gt; array[i] = 0);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528 memset() \u65b9\u6cd5\uff08\u4ec5\u9650 C \u4e2d\u7684 Java\uff09<\/strong><\/p>\n<p>\u5982\u679c\u5728 C \u4e2d\u4f7f\u7528 Java\uff0c\u53ef\u4ee5\u4f7f\u7528 memset() \u65b9\u6cd5\u6765\u5c06\u5b57\u8282\u6570\u7ec4\u521d\u59cb\u5316\u4e3a\u96f6\u3002<\/p>\n<pre>byte[] byteArray = new byte[5];\nArrays.memset(byteArray, (byte)0);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6\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\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5faa\u73af\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u4f7f\u7528 java 8 \u6d41\u4f7f\u7528 memset() \u65b9\u6cd5\uff08\u4ec5\u9650 c \u4e2d\u7684 java\uff09 \u5982\u4f55\u7528 Java \u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6 Java \u4e2d\u7ed9\u6570\u7ec4\u5168\u8d4b\u503c\u4e3a\u96f6\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u4f7f\u7528\u5faa\u73af \u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u96f6\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] array = new int[5]; for (int i = 0; i &lt; array.length; i++) { array[i] = 0; } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5 Java \u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a Arrays.fill() \u7684\u5b9e\u7528\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u7ed9\u5b9a\u503c\u3002 int[] array = new int[5]; Arrays.fill(array, [&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-34574","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34574","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=34574"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34574\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}