{"id":66933,"date":"2025-05-03T14:53:24","date_gmt":"2025-05-03T06:53:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66933\/"},"modified":"2025-05-03T14:53:24","modified_gmt":"2025-05-03T06:53:24","slug":"java%e6%80%8e%e4%b9%88%e5%b0%86%e4%b8%80%e7%bb%84%e6%95%b0%e5%8a%a0%e8%bf%9b%e6%95%b0%e7%bb%84%e9%87%8c-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66933\/","title":{"rendered":"java\u600e\u4e48\u5c06\u4e00\u7ec4\u6570\u52a0\u8fdb\u6570\u7ec4\u91cc"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5c06\u6570\u5b57\u6570\u7ec4\u6dfb\u52a0\u5230\u73b0\u6709\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a1) \u76f4\u63a5\u8d4b\u503c\uff1a\u4f7f\u7528\u5faa\u73af\u9010\u4e2a\u6dfb\u52a0\u5143\u7d20\uff1b2) system.arraycopy()\uff1a\u590d\u5236\u6e90\u6570\u7ec4\u5230\u76ee\u6807\u6570\u7ec4\u6307\u5b9a\u4f4d\u7f6e\uff1b3) arrays.copyof()\uff08java 6+\uff09\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u5305\u542b\u4e24\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5143\u7d20\uff1b4) list \u548c toarray()\uff1a\u5c06\u6e90\u6570\u7ec4\u8f6c\u6362\u4e3a list\uff0c\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u7136\u540e\u8f6c\u6362\u4e3a\u65b0\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111719334476215.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5c06\u4e00\u7ec4\u6570\u52a0\u8fdb\u6570\u7ec4\u91cc\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5c06\u4e00\u7ec4\u6570\u52a0\u8fdb\u6570\u7ec4\u91cc\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5c06\u4e00\u7ec4\u6570\u5b57\u6dfb\u52a0\u5230\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5c06\u4e00\u7ec4\u6570\u5b57\u6dfb\u52a0\u5230\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>\u76f4\u63a5\u8d4b\u503c\uff1a<\/strong><\/p>\n<pre>int[] myArray = {1, 2, 3}; \/\/ \u521d\u59cb\u5316\u6570\u7ec4\nint[] yourArray = {4, 5, 6}; \/\/ \u521b\u5efa\u8981\u6dfb\u52a0\u7684\u6570\u7ec4\n\n\/\/ \u5c06 yourArray \u7684\u5143\u7d20\u6dfb\u52a0\u5230 myArray\nfor (int i = 0; i &lt; yourArray.length; i++) {\n    myArray[i + myArray.length] = yourArray[i];\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] myArray = {1, 2, 3}; \/\/ \u521d\u59cb\u5316\u6570\u7ec4\nint[] yourArray = {4, 5, 6}; \/\/ \u521b\u5efa\u8981\u6dfb\u52a0\u7684\u6570\u7ec4\n\n\/\/ \u4f7f\u7528 System.arraycopy() \u590d\u5236\u6570\u7ec4\nSystem.arraycopy(yourArray, 0, myArray, myArray.length, yourArray.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\uff08Java 6 \u53ca\u66f4\u9ad8\u7248\u672c\uff09\uff1a<\/strong><\/p>\n<pre>int[] myArray = {1, 2, 3}; \/\/ \u521d\u59cb\u5316\u6570\u7ec4\nint[] yourArray = {4, 5, 6}; \/\/ \u521b\u5efa\u8981\u6dfb\u52a0\u7684\u6570\u7ec4\n\n\/\/ \u4f7f\u7528 Arrays.copyOf() \u590d\u5236\u6570\u7ec4\nmyArray = Arrays.copyOf(myArray, myArray.length + yourArray.length);\nSystem.arraycopy(yourArray, 0, myArray, myArray.length, yourArray.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 List \u548c toArray() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<pre>import java.util.Arrays;\nimport java.util.List;\n\nList&lt;Integer&gt; myList = Arrays.asList(1, 2, 3); \/\/ \u521d\u59cb\u5316\u96c6\u5408\nList&lt;Integer&gt; yourList = Arrays.asList(4, 5, 6); \/\/ \u521b\u5efa\u8981\u6dfb\u52a0\u7684\u96c6\u5408\n\n\/\/ \u5c06 yourList \u6dfb\u52a0\u5230 myList\nmyList.addAll(yourList);\n\n\/\/ \u5c06 myList \u8f6c\u6362\u4e3a\u6570\u7ec4\nint[] myArray = myList.toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e0a\u8ff0\u65b9\u6cd5\u5047\u8bbe myArray \u6709\u8db3\u591f\u7684\u7a7a\u95f4\u5bb9\u7eb3 yourArray \u7684\u5143\u7d20\u3002<\/li>\n<li>\u76f4\u63a5\u8d4b\u503c\u65b9\u6cd5\u6bd4\u8f83\u539f\u59cb\uff0c\u4e0d\u9002\u7528\u4e8e\u5927\u578b\u6570\u7ec4\u3002<\/li>\n<li>System.arraycopy() \u65b9\u6cd5\u66f4\u6709\u6548\uff0c\u4f46\u9700\u8981\u624b\u52a8\u6307\u5b9a\u76ee\u6807\u6570\u7ec4\u7684\u5f00\u59cb\u4f4d\u7f6e\u548c\u957f\u5ea6\u3002<\/li>\n<li>Arrays.copyOf() \u65b9\u6cd5\u8f83\u65b0\uff0c\u4f7f\u7528\u66f4\u7b80\u5355\u3002<\/li>\n<li>List \u548c toArray() \u65b9\u6cd5\u9700\u8981\u989d\u5916\u7684\u5185\u5b58\u5f00\u9500\uff0c\u4f46\u4ee3\u7801\u66f4\u7b80\u6d01\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5c06\u4e00\u7ec4\u6570\u52a0\u8fdb\u6570\u7ec4\u91cc\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\uff0c\u5c06\u6570\u5b57\u6570\u7ec4\u6dfb\u52a0\u5230\u73b0\u6709\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a1) \u76f4\u63a5\u8d4b\u503c\uff1a\u4f7f\u7528\u5faa\u73af\u9010\u4e2a\u6dfb\u52a0\u5143\u7d20\uff1b2) system.arraycopy()\uff1a\u590d\u5236\u6e90\u6570\u7ec4\u5230\u76ee\u6807\u6570\u7ec4\u6307\u5b9a\u4f4d\u7f6e\uff1b3) arrays.copyof()\uff08java 6+\uff09\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u5305\u542b\u4e24\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5143\u7d20\uff1b4) list \u548c toarray()\uff1a\u5c06\u6e90\u6570\u7ec4\u8f6c\u6362\u4e3a list\uff0c\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u7136\u540e\u8f6c\u6362\u4e3a\u65b0\u6570\u7ec4\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5c06\u4e00\u7ec4\u6570\u5b57\u6dfb\u52a0\u5230\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u5c06\u4e00\u7ec4\u6570\u5b57\u6dfb\u52a0\u5230\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a \u76f4\u63a5\u8d4b\u503c\uff1a int[] myArray = {1, 2, 3}; \/\/ \u521d\u59cb\u5316\u6570\u7ec4 int[] yourArray = {4, 5, 6}; \/\/ \u521b\u5efa\u8981\u6dfb\u52a0\u7684\u6570\u7ec4 \/\/ \u5c06 yourArray \u7684\u5143\u7d20\u6dfb\u52a0\u5230 myArray for (int i = 0; i &lt; yourArray.length; i++) { myArray[i + myArray.length] = yourArray[i]; } [&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-66933","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66933","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=66933"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66933\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}