{"id":37617,"date":"2024-11-26T15:26:34","date_gmt":"2024-11-26T07:26:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37617\/"},"modified":"2024-11-26T15:26:34","modified_gmt":"2024-11-26T07:26:34","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e5%ad%98%e5%85%a5%e9%9b%86%e5%90%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37617\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u7ec4\u5b58\u5165\u96c6\u5408"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5c06\u6570\u7ec4\u5b58\u5165\u96c6\u5408\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 collection.addall\u3001\u5229\u7528 arrays.stream\u3001\u501f\u52a9 java 8+ api intstream.of \u548c\u91c7\u7528\u5faa\u73af\u904d\u5386\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111307515648895.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u7ec4\u5b58\u5165\u96c6\u5408\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u7ec4\u5b58\u5165\u96c6\u5408\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5c06\u6570\u7ec4\u5b58\u5165\u96c6\u5408<\/strong><\/p>\n<p><strong>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 Collection.addAll<\/strong><\/p>\n<pre>List&lt;Integer&gt; list = new ArrayList&lt;&gt;();\nint[] arr = {1, 2, 3, 4, 5};\n\n\/\/ \u5c06\u6570\u7ec4\u5143\u7d20\u9010\u4e2a\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\nlist.addAll(Arrays.asList(arr));\n\n\/\/ \u6216\u8005\uff0c\u4f7f\u7528\u7b80\u5316\u5199\u6cd5\nlist.addAll(arr);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 Arrays.stream<\/strong><\/p>\n<pre>List&lt;Integer&gt; list = Arrays.stream(arr).boxed().toList();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528 Java 8 \u53ca\u66f4\u9ad8\u7248\u672c\u7684 API<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>List&lt;Integer&gt; list = IntStream.of(arr).boxed().toList();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5\u56db\uff1a\u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n<pre>List&lt;Integer&gt; list = new ArrayList&lt;&gt;();\nfor (int element : arr) {\n    list.add(element);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u5b58\u5165\u96c6\u5408\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\u5c06\u6570\u7ec4\u5b58\u5165\u96c6\u5408\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 collection.addall\u3001\u5229\u7528 arrays.stream\u3001\u501f\u52a9 java 8+ api intstream.of \u548c\u91c7\u7528\u5faa\u73af\u904d\u5386\u3002 Java \u4e2d\u5c06\u6570\u7ec4\u5b58\u5165\u96c6\u5408 \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 Collection.addAll List&lt;Integer&gt; list = new ArrayList&lt;&gt;(); int[] arr = {1, 2, 3, 4, 5}; \/\/ \u5c06\u6570\u7ec4\u5143\u7d20\u9010\u4e2a\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d list.addAll(Arrays.asList(arr)); \/\/ \u6216\u8005\uff0c\u4f7f\u7528\u7b80\u5316\u5199\u6cd5 list.addAll(arr); \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 Arrays.stream List&lt;Integer&gt; list = Arrays.stream(arr).boxed().toList(); \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528 Java 8 \u53ca\u66f4\u9ad8\u7248\u672c\u7684 API \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b List&lt;Integer&gt; list = IntStream.of(arr).boxed().toList(); \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u56db\uff1a\u4f7f\u7528\u5faa\u73af List&lt;Integer&gt; list = [&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-37617","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37617","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=37617"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37617\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}