{"id":39350,"date":"2024-11-26T10:42:15","date_gmt":"2024-11-26T02:42:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39350\/"},"modified":"2024-11-26T10:42:15","modified_gmt":"2024-11-26T02:42:15","slug":"java%e9%87%8c%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%bd%ac%e6%8d%a2%e6%88%90int","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39350\/","title":{"rendered":"java\u91cc\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210int"},"content":{"rendered":"<blockquote><p>\n  \u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a int \u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u8f6c\u6362\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 arrays.stream() \u7b80\u5316\u8f6c\u6362\uff0c\u5b83\u5229\u7528\u6d41 api \u5c06\u6570\u7ec4\u5143\u7d20\u6620\u5c04\u4e3a\u6574\u6570\u5e76\u8f6c\u6362\u4e3a\u65b0\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111606455184377.jpg\" class=\"aligncenter\" title=\"java\u91cc\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210int\u63d2\u56fe\" alt=\"java\u91cc\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210int\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a int<\/strong><\/p>\n<p>Java \u4e2d\u7684\u6570\u7ec4\u5305\u542b\u5f15\u7528\u57fa\u672c\u7c7b\u578b\u6216\u5bf9\u8c61\u7684\u5f15\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a int \u7684\u4e24\u79cd\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u8f6c\u6362\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] myArray = {1, 2, 3};\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u6765\u5b58\u50a8\u8f6c\u6362\u540e\u7684\u6574\u6570\nint[] intArray = new int[myArray.length];\n\nfor (int i = 0; i &lt; myArray.length; i++) {\n    intArray[i] = myArray[i];\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 Arrays.stream()<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u4f7f\u7528 Java 8 \u4e2d\u7684\u6d41 API \u6765\u7b80\u5316\u8f6c\u6362\uff1a<\/p>\n<pre>int[] myArray = {1, 2, 3};\n\n\/\/ \u4f7f\u7528 Arrays.stream() \u521b\u5efa\u6d41\nint[] intArray = Arrays.stream(myArray).mapToInt(Integer::intValue).toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u91cc\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210int\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>\u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a int \u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u8f6c\u6362\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 arrays.stream() \u7b80\u5316\u8f6c\u6362\uff0c\u5b83\u5229\u7528\u6d41 api \u5c06\u6570\u7ec4\u5143\u7d20\u6620\u5c04\u4e3a\u6574\u6570\u5e76\u8f6c\u6362\u4e3a\u65b0\u6570\u7ec4\u3002 Java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a int Java \u4e2d\u7684\u6570\u7ec4\u5305\u542b\u5f15\u7528\u57fa\u672c\u7c7b\u578b\u6216\u5bf9\u8c61\u7684\u5f15\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a int \u7684\u4e24\u79cd\u65b9\u6cd5\u3002 \u65b9\u6cd5 1\uff1a\u4f7f\u7528 for \u5faa\u73af \u6b64\u65b9\u6cd5\u904d\u5386\u6570\u7ec4\u5e76\u624b\u52a8\u8f6c\u6362\u6bcf\u4e2a\u5143\u7d20\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = {1, 2, 3}; \/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u6765\u5b58\u50a8\u8f6c\u6362\u540e\u7684\u6574\u6570 int[] intArray = new int[myArray.length]; for (int i = 0; i &lt; myArray.length; i++) { intArray[i] = myArray[i]; } \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1a\u4f7f\u7528 Arrays.stream() [&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-39350","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39350","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=39350"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39350\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}