{"id":66315,"date":"2025-05-03T16:38:59","date_gmt":"2025-05-03T08:38:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66315\/"},"modified":"2025-05-03T16:38:59","modified_gmt":"2025-05-03T08:38:59","slug":"java%e6%80%8e%e4%b9%88%e8%be%93%e5%85%a5%e5%b8%a6%e4%b8%ad%e6%8b%ac%e5%8f%b7%e7%9a%84%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66315\/","title":{"rendered":"java\u600e\u4e48\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u521d\u59cb\u5316\u5668\uff1aint[] numbers = {1, 2, 3, 4, 5};\u4f7f\u7528 new \u5173\u952e\u5b57\uff1aint[] numbers = new int[5];\u4f7f\u7528 stream.toarray()\uff1aint[] numbersarray = numbers.stream().toarray();\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111507032018759.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u7528\u591a\u79cd\u65b9\u6cd5\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4\u3002<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528\u521d\u59cb\u5316\u5668<\/strong><\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u548c\u6700\u5e38\u89c1\u7684\u3002\u5b83\u6d89\u53ca\u4f7f\u7528\u82b1\u62ec\u53f7 ({}) \u548c\u9017\u53f7 (,) \u5c06\u6570\u7ec4\u5143\u7d20\u62ec\u8d77\u6765\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57<\/strong><\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u65b9\u62ec\u53f7 ([]) \u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[] numbers = new int[5];\nnumbers[0] = 1;\nnumbers[1] = 2;\nnumbers[2] = 3;\nnumbers[3] = 4;\nnumbers[4] = 5;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 3\uff1a\u4f7f\u7528 Stream.toArray()<\/strong><\/p>\n<p>Stream.toArray() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u6d41\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>List&lt;Integer&gt; numbers = Arrays.asList(1, 2, 3, 4, 5);\nint[] numbersArray = numbers.stream().toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\u5fc5\u987b\u4e0e\u6570\u7ec4\u7c7b\u578b\u7684\u58f0\u660e\u4e00\u81f4\u3002<\/li>\n<li>\u6570\u7ec4\u5927\u5c0f\u53ea\u80fd\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u3002<\/li>\n<li>Java \u4e2d\u7684\u6570\u7ec4\u662f\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4\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\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u521d\u59cb\u5316\u5668\uff1aint[] numbers = {1, 2, 3, 4, 5};\u4f7f\u7528 new \u5173\u952e\u5b57\uff1aint[] numbers = new int[5];\u4f7f\u7528 stream.toarray()\uff1aint[] numbersarray = numbers.stream().toarray(); \u5982\u4f55\u5728 Java \u4e2d\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u7528\u591a\u79cd\u65b9\u6cd5\u8f93\u5165\u5e26\u4e2d\u62ec\u53f7\u7684\u6570\u7ec4\u3002 \u65b9\u6cd5 1\uff1a\u4f7f\u7528\u521d\u59cb\u5316\u5668 \u8fd9\u79cd\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u548c\u6700\u5e38\u89c1\u7684\u3002\u5b83\u6d89\u53ca\u4f7f\u7528\u82b1\u62ec\u53f7 ({}) \u548c\u9017\u53f7 (,) \u5c06\u6570\u7ec4\u5143\u7d20\u62ec\u8d77\u6765\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57 \u4e5f\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u65b9\u62ec\u53f7 ([]) \u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\u3002\u4f8b\u5982\uff1a int[] numbers = [&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-66315","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66315","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=66315"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66315\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}