{"id":67047,"date":"2025-05-03T14:44:09","date_gmt":"2025-05-03T06:44:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67047\/"},"modified":"2025-05-03T14:44:09","modified_gmt":"2025-05-03T06:44:09","slug":"java%e4%b8%a4%e4%b8%aa%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%90%88%e5%b9%b6-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67047\/","title":{"rendered":"Java\u4e24\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5408\u5e76"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u53ef\u91c7\u7528 stream api \u6216 system.arraycopy() \u65b9\u6cd5\u5408\u5e76\u5b57\u7b26\u4e32\u6570\u7ec4\u3002stream api \u9002\u7528\u4e8e\u5c0f\u6570\u7ec4\uff0c\u4ee3\u7801\u7b80\u6d01\uff1bsystem.arraycopy() \u65b9\u6cd5\u66f4\u9002\u5408\u5927\u6570\u7ec4\uff0c\u4ee3\u7801\u5197\u957f\u4f46\u6548\u7387\u8f83\u9ad8\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111816421939538.jpg\" class=\"aligncenter\" title=\"Java\u4e24\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5408\u5e76\u63d2\u56fe\" alt=\"Java\u4e24\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5408\u5e76\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5408\u5e76\u4e24\u4e2a<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5408\u5e76\u4e24\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 Java Stream API<\/strong><\/p>\n<pre>String[] array1 = {\"a\", \"b\", \"c\"};\nString[] array2 = {\"d\", \"e\", \"f\"};\n\nString[] mergedArray = Stream.concat(Arrays.stream(array1), Arrays.stream(array2))\n        .toArray(String[]::new);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] array1 = {\"a\", \"b\", \"c\"};\nString[] array2 = {\"d\", \"e\", \"f\"};\nString[] mergedArray = new String[array1.length + array2.length];\n\nSystem.arraycopy(array1, 0, mergedArray, 0, array1.length);\nSystem.arraycopy(array2, 0, mergedArray, array1.length, array2.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4e24\u79cd\u65b9\u6cd5\u7684\u5bf9\u6bd4<\/strong><\/p>\n<ul>\n<li> <strong>Stream API<\/strong>\uff1a\u4ee3\u7801\u7b80\u6d01\uff0c\u4f46\u5bf9\u4e8e\u5927\u578b\u6570\u7ec4\u53ef\u80fd\u4f1a\u9020\u6210\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<li> <strong>System.arraycopy() \u65b9\u6cd5<\/strong>\uff1a\u6548\u7387\u66f4\u9ad8\uff0c\u4f46\u4ee3\u7801\u66f4\u5197\u957f\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5bf9\u4e8e\u5c0f\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 Stream API\uff1b\u5bf9\u4e8e\u5927\u6570\u7ec4\uff0c\u5efa\u8bae\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u4e24\u4e2a\u600e\u4e48\u5408\u5e76\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>java \u4e2d\u53ef\u91c7\u7528 stream api \u6216 system.arraycopy() \u65b9\u6cd5\u5408\u5e76\u5b57\u7b26\u4e32\u6570\u7ec4\u3002stream api \u9002\u7528\u4e8e\u5c0f\u6570\u7ec4\uff0c\u4ee3\u7801\u7b80\u6d01\uff1bsystem.arraycopy() \u65b9\u6cd5\u66f4\u9002\u5408\u5927\u6570\u7ec4\uff0c\u4ee3\u7801\u5197\u957f\u4f46\u6548\u7387\u8f83\u9ad8\u3002 Java \u4e2d\u5408\u5e76\u4e24\u4e2a \u5728 Java \u4e2d\uff0c\u5408\u5e76\u4e24\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\uff1a 1. \u4f7f\u7528 Java Stream API String[] array1 = {&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;}; String[] array2 = {&#8220;d&#8221;, &#8220;e&#8221;, &#8220;f&#8221;}; String[] mergedArray = Stream.concat(Arrays.stream(array1), Arrays.stream(array2)) .toArray(String[]::new); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] array1 = {&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;}; String[] array2 = {&#8220;d&#8221;, &#8220;e&#8221;, [&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-67047","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67047","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=67047"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67047\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}