{"id":36725,"date":"2024-11-26T09:17:56","date_gmt":"2024-11-26T01:17:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36725\/"},"modified":"2024-11-26T09:17:56","modified_gmt":"2024-11-26T01:17:56","slug":"java%e6%80%8e%e4%b9%88%e9%94%ae%e5%85%a5%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36725\/","title":{"rendered":"java\u600e\u4e48\u952e\u5165\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u952e\u5165\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u952e\u5165\u3001\u4f7f\u7528\u6570\u7ec4\u6784\u9020\u51fd\u6570\u3001\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u3001\u4f7f\u7528 for \u5faa\u73af\uff0c\u4ee5\u53ca\u4f7f\u7528\u6d41 api\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111214495663280.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u952e\u5165\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u952e\u5165\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u952e\u5165\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u952e\u5165\uff1a<\/strong><\/p>\n<p>\u76f4\u63a5\u952e\u5165\u662f\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5143\u7d20\u7c7b\u578b\u5df2\u77e5\u7684\u5c0f\u6570\u7ec4\u3002\u4f8b\u5982\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>\u4f7f\u7528\u6570\u7ec4\u6784\u9020\u51fd\u6570\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u6570\u7ec4\u6784\u9020\u51fd\u6570\u5141\u8bb8\u6307\u5b9a\u6570\u7ec4\u7684\u7c7b\u578b\u548c\u957f\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[5];\nString[] names = new String[3];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>Arrays.fill() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u6307\u5b9a\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[5];\nArrays.fill(numbers, 0);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 for \u5faa\u73af\uff1a<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u952e\u5165\u6570\u7ec4\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[5];\nfor (int i = 0; i &lt; numbers.length; i++) {\n    numbers[i] = i + 1;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u6d41 API\uff1a<\/strong><\/p>\n<p>Java 8 \u5f15\u5165\u4e86\u6d41 API\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u952e\u5165\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = IntStream.range(1, 6).toArray();\nString[] names = Stream.of(\"John\", \"Mary\", \"Bob\").toArray(String[]::new);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u952e\u5165\u6570\u7ec4\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>\u5728 java \u4e2d\u952e\u5165\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u952e\u5165\u3001\u4f7f\u7528\u6570\u7ec4\u6784\u9020\u51fd\u6570\u3001\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\u3001\u4f7f\u7528 for \u5faa\u73af\uff0c\u4ee5\u53ca\u4f7f\u7528\u6d41 api\u3002 \u5982\u4f55\u5728 Java \u4e2d\u952e\u5165\u6570\u7ec4 \u76f4\u63a5\u952e\u5165\uff1a \u76f4\u63a5\u952e\u5165\u662f\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5143\u7d20\u7c7b\u578b\u5df2\u77e5\u7684\u5c0f\u6570\u7ec4\u3002\u4f8b\u5982\uff1a int[] numbers = {1, 2, 3, 4, 5}; String[] names = {&#8220;John&#8221;, &#8220;Mary&#8221;, &#8220;Bob&#8221;}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u6570\u7ec4\u6784\u9020\u51fd\u6570\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u7ec4\u6784\u9020\u51fd\u6570\u5141\u8bb8\u6307\u5b9a\u6570\u7ec4\u7684\u7c7b\u578b\u548c\u957f\u5ea6\u3002\u4f8b\u5982\uff1a int[] numbers = new int[5]; String[] names = new String[3]; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\uff1a Arrays.fill() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a\u6307\u5b9a\u7684\u503c\u3002\u4f8b\u5982\uff1a int[] numbers = new int[5]; Arrays.fill(numbers, 0); \u767b\u5f55\u540e\u590d\u5236 [&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-36725","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36725","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=36725"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36725\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}