{"id":65512,"date":"2025-05-03T10:17:34","date_gmt":"2025-05-03T02:17:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65512\/"},"modified":"2025-05-03T10:17:34","modified_gmt":"2025-05-03T02:17:34","slug":"java%e6%80%8e%e4%b9%88%e5%b0%86%e5%a4%8d%e5%88%b6string%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65512\/","title":{"rendered":"java\u600e\u4e48\u5c06\u590d\u5236string\u6570\u7ec4"},"content":{"rendered":"

\n \u5171\u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u590d\u5236 string \u6570\u7ec4\uff1a\u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\u6d45\u62f7\u8d1d\u6307\u5b9a\u957f\u5ea6\u7684\u5143\u7d20\u3002\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u624b\u52a8\u4ece\u6e90\u6570\u7ec4\u590d\u5236\u5230\u76ee\u6807\u6570\u7ec4\u3002\u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u590d\u5236\u6bcf\u4e2a\u5143\u7d20\uff08\u6d45\u62f7\u8d1d\uff09\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5c06\u590d\u5236string\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5c06\u590d\u5236\u4e00\u4e2a String \u6570\u7ec4<\/strong><\/p>\n

\u4e3a\u4e86\u590d\u5236\u4e00\u4e2a String \u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\uff1a<\/strong><\/p>\n

Arrays.copyOf() \u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u548c\u4e00\u4e2a\u8981\u590d\u5236\u6210\u7684\u6570\u7ec4\u957f\u5ea6\u4f5c\u4e3a\u53c2\u6570\u3002\u5b83\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u6307\u5b9a\u957f\u5ea6\u7684\u5143\u7d20\u7684\u526f\u672c\u3002<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

String[] originalArray = {\"Java\", \"Python\", \"C++\"};\nString[] copyArray = Arrays.copyOf(originalArray, originalArray.length);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\uff1a<\/strong><\/p>\n
System.arraycopy() \u65b9\u6cd5\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u5143\u7d20\u5230\u76ee\u6807\u6570\u7ec4\u4e2d\u3002\u5b83\u63a5\u53d7\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n
    \n
  • \u6e90\u6570\u7ec4<\/li>\n
  • \u6e90\u6570\u7ec4\u4e2d\u7684\u8d77\u59cb\u4f4d\u7f6e<\/li>\n
  • \u76ee\u6807\u6570\u7ec4<\/li>\n
  • \u76ee\u6807\u6570\u7ec4\u4e2d\u7684\u8d77\u59cb\u4f4d\u7f6e<\/li>\n
  • \u8981\u590d\u5236\u7684\u5143\u7d20\u6570<\/li>\n<\/ul>\n
    String[] originalArray = {\"Java\", \"Python\", \"C++\"};\nString[] copyArray = new String[originalArray.length];\nSystem.arraycopy(originalArray, 0, copyArray, 0, originalArray.length);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    3. \u4f7f\u7528 for \u5faa\u73af\uff1a<\/strong><\/p>\n
    \u4e5f\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u590d\u5236\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n
    String[] originalArray = {\"Java\", \"Python\", \"C++\"};\nString[] copyArray = new String[originalArray.length];\nfor (int i = 0; i < originalArray.length; i++) {\n    copyArray[i] = originalArray[i];\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u4e0a\u8ff0\u6240\u6709\u65b9\u6cd5\u90fd\u662f\u6d45\u62f7\u8d1d\uff0c\u5b83\u4eec\u53ea\u4f1a\u590d\u5236\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u4f1a\u590d\u5236\u5b9e\u9645\u7684\u5b57\u7b26\u4e32\u5bf9\u8c61\u3002<\/li>\n
    • \u5982\u679c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u65b0\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u6df1\u5ea6\u62f7\u8d1d\uff0c\u53ef\u4ee5\u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\u5e76\u5c06\u5176\u4e0e clone() \u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5c06\u590d\u5236string\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":"
      \u5171\u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u590d\u5236 string \u6570\u7ec4\uff1a\u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\u6d45\u62f7\u8d1d\u6307\u5b9a\u957f\u5ea6\u7684\u5143\u7d20\u3002\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u624b\u52a8\u4ece\u6e90\u6570\u7ec4\u590d\u5236\u5230\u76ee\u6807\u6570\u7ec4\u3002\u4f7f\u7528 for \u5faa\u73af\u624b\u52a8\u590d\u5236\u6bcf\u4e2a\u5143\u7d20\uff08\u6d45\u62f7\u8d1d\uff09\u3002 \u5982\u4f55\u5c06\u590d\u5236\u4e00\u4e2a String \u6570\u7ec4 \u4e3a\u4e86\u590d\u5236\u4e00\u4e2a String \u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\uff1a Arrays.copyOf() \u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u548c\u4e00\u4e2a\u8981\u590d\u5236\u6210\u7684\u6570\u7ec4\u957f\u5ea6\u4f5c\u4e3a\u53c2\u6570\u3002\u5b83\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u6307\u5b9a\u957f\u5ea6\u7684\u5143\u7d20\u7684\u526f\u672c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] originalArray = {“Java”, “Python”, “C++”}; String[] copyArray = Arrays.copyOf(originalArray, originalArray.length); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\uff1a System.arraycopy() \u65b9\u6cd5\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u5143\u7d20\u5230\u76ee\u6807\u6570\u7ec4\u4e2d\u3002\u5b83\u63a5\u53d7\u4ee5\u4e0b\u53c2\u6570\uff1a \u6e90\u6570\u7ec4 \u6e90\u6570\u7ec4\u4e2d\u7684\u8d77\u59cb\u4f4d\u7f6e \u76ee\u6807\u6570\u7ec4 \u76ee\u6807\u6570\u7ec4\u4e2d\u7684\u8d77\u59cb\u4f4d\u7f6e \u8981\u590d\u5236\u7684\u5143\u7d20\u6570 String[] originalArray = {“Java”, “Python”, “C++”}; String[] copyArray = new […]<\/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-65512","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65512","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=65512"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65512\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}