{"id":38621,"date":"2024-11-26T11:43:27","date_gmt":"2024-11-26T03:43:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38621\/"},"modified":"2024-11-26T11:43:27","modified_gmt":"2024-11-26T03:43:27","slug":"java%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%a4%8d%e5%88%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38621\/","title":{"rendered":"java\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u590d\u5236"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u590d\u5236\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. \u4f7f\u7528 arrays.copyof() \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u957f\u5ea6\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\uff0c\u590d\u5236\u6240\u6709\u5143\u7d20\uff1b2. \u4f7f\u7528 system.arraycopy() \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u957f\u5ea6\u53ef\u6307\u5b9a\uff0c\u9009\u62e9\u6027\u5730\u590d\u5236\u6307\u5b9a\u8303\u56f4\u7684\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111504003280702.jpg\" class=\"aligncenter\" title=\"java\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u590d\u5236\u63d2\u56fe\" alt=\"java\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u590d\u5236\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u590d\u5236 Java \u4e2d\u7684<\/strong><\/p>\n<p>\u590d\u5236 Java \u4e2d\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5<\/strong><\/p>\n<pre>\/\/ \u539f\u59cb\u6570\u7ec4\nString[] originalArray = {\"Java\", \"Python\", \"C++\"};\n\n\/\/ \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u957f\u5ea6\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\nString[] newArray = Arrays.copyOf(originalArray, originalArray.length);\n\n\/\/ \u68c0\u67e5\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\nboolean isEqual = Arrays.equals(originalArray, newArray);\nSystem.out.println(isEqual); \/\/ true<\/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>\/\/ \u539f\u59cb\u6570\u7ec4\nString[] originalArray = {\"Java\", \"Python\", \"C++\"};\n\n\/\/ \u65b0\u6570\u7ec4\uff0c\u957f\u5ea6\u5927\u4e8e\u539f\u59cb\u6570\u7ec4\nString[] newArray = new String[originalArray.length + 1];\n\n\/\/ \u590d\u5236\u6570\u7ec4\nSystem.arraycopy(originalArray, 0, newArray, 0, originalArray.length);\n\n\/\/ \u68c0\u67e5\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\nboolean isEqual = Arrays.equals(originalArray, newArray);\nSystem.out.println(isEqual); \/\/ true<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong><\/strong><\/p>\n<ul>\n<li> <strong>Arrays.copyOf()<\/strong> \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\uff0c\u5e76\u4e14\u590d\u5236\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/li>\n<li> <strong>System.arraycopy()<\/strong> \u5141\u8bb8\u60a8\u6307\u5b9a\u65b0\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5e76\u9009\u62e9\u6027\u5730\u590d\u5236\u6307\u5b9a\u8303\u56f4\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p>\u6839\u636e\u9700\u8981\uff0c\u9009\u62e9\u6700\u9002\u5408\u60a8\u9700\u6c42\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u7684\u600e\u4e48\u590d\u5236\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\u590d\u5236\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. \u4f7f\u7528 arrays.copyof() \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u957f\u5ea6\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\uff0c\u590d\u5236\u6240\u6709\u5143\u7d20\uff1b2. \u4f7f\u7528 system.arraycopy() \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u957f\u5ea6\u53ef\u6307\u5b9a\uff0c\u9009\u62e9\u6027\u5730\u590d\u5236\u6307\u5b9a\u8303\u56f4\u7684\u5143\u7d20\u3002 \u5982\u4f55\u590d\u5236 Java \u4e2d\u7684 \u590d\u5236 Java \u4e2d\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5 \/\/ \u539f\u59cb\u6570\u7ec4 String[] originalArray = {&#8220;Java&#8221;, &#8220;Python&#8221;, &#8220;C++&#8221;}; \/\/ \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u957f\u5ea6\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c String[] newArray = Arrays.copyOf(originalArray, originalArray.length); \/\/ \u68c0\u67e5\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49 boolean isEqual = Arrays.equals(originalArray, newArray); System.out.println(isEqual); \/\/ true \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \/\/ \u539f\u59cb\u6570\u7ec4 String[] originalArray = {&#8220;Java&#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-38621","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38621","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=38621"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38621\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}