{"id":64120,"date":"2025-05-03T12:26:00","date_gmt":"2025-05-03T04:26:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64120\/"},"modified":"2025-05-03T12:26:00","modified_gmt":"2025-05-03T04:26:00","slug":"java%e5%ad%97%e7%ac%a6%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ad%98%e6%94%be%e5%ad%97%e7%ac%a6%e4%b8%b2-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64120\/","title":{"rendered":"java\u5b57\u7b26\u6570\u7ec4\u600e\u4e48\u5b58\u653e\u5b57\u7b26\u4e32"},"content":{"rendered":"

\n java \u4e2d\uff0c\u5b57\u7b26\u4e32\u672c\u8d28\u4e0a\u662f\u5b57\u7b26\u6570\u7ec4\u3002\u521b\u5efa\u5b57\u7b26\u6570\u7ec4\u540e\uff0c\u53ef\u901a\u8fc7 tochararray() \u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff0c\u6216\u4f7f\u7528 string() \u6784\u9020\u51fd\u6570\u4ece\u5b57\u7b26\u6570\u7ec4\u83b7\u53d6\u5b57\u7b26\u4e32\u3002\u5176\u4ed6\u65b9\u6cd5\u5305\u62ec getchars()\u3001valueof() \u548c copyvalueof()\u3002\u793a\u4f8b\uff1astring str = “java”\uff0c\u521b\u5efa chararray = str.tochararray()\uff0c\u4fee\u6539 chararray[0] = ‘c’\uff0c\u83b7\u53d6\u4fee\u6539\u540e\u7684\u5b57\u7b26\u4e32 modifiedstr = new string(charar\n<\/p><\/blockquote>\n

\"java\u5b57\u7b26\u6570\u7ec4\u600e\u4e48\u5b58\u653e\u5b57\u7b26\u4e32\u63d2\u56fe\"<\/p>\n

Java \u5b57\u7b26\u6570\u7ec4\u5b58\u50a8\u5b57\u7b26\u4e32<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u4e00\u4e2a\u5b57\u7b26\u4e32\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4ee3\u8868\u4e00\u4e2a\u5b57\u7b26\u3002\u5b57\u7b26\u6570\u7ec4\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\uff0c\u56e0\u6b64\u5b58\u50a8\u5b57\u7b26\u4e32\u65f6\u9700\u8981\u8003\u8651\u5176\u957f\u5ea6\u3002<\/p>\n

\u521b\u5efa\u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n

\u8981\u521b\u5efa\u5b57\u7b26\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n

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

char[] charArray = new char[length];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d length \u662f\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002<\/p>\n
\u5c06\u5b57\u7b26\u4e32\u5b58\u50a8\u5230\u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528 toCharArray() \u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff1a<\/p>\n
String str = \"Hello\";\nchar[] charArray = str.toCharArray();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u64cd\u4f5c\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u590d\u5236\u5230\u5b57\u7b26\u6570\u7ec4\u4e2d\u3002<\/p>\n
\u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6\u5b57\u7b26\u4e32<\/strong><\/p>\n
\u8981\u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528 String() \u6784\u9020\u51fd\u6570\uff1a<\/p>\n
String str = new String(charArray);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u64cd\u4f5c\u5c06\u5b57\u7b26\u6570\u7ec4\u4e2d\u7684\u5b57\u7b26\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n
\u5176\u4ed6\u65b9\u6cd5<\/strong><\/p>\n
\u9664\u4e86 toCharArray() \u548c String()\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u5b58\u50a8\u5230\u5b57\u7b26\u6570\u7ec4\u6216\u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6\u5b57\u7b26\u4e32\uff1a<\/p>\n
    \n
  • getChars()\uff1a\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u590d\u5236\u5230\u5b57\u7b26\u6570\u7ec4\u4e2d\u3002<\/li>\n
  • valueOf()\uff1a\u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u3002<\/li>\n
  • copyValueOf()\uff1a\u521b\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u526f\u672c\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528\u5b57\u7b26\u6570\u7ec4\u5b58\u50a8\u548c\u83b7\u53d6\u5b57\u7b26\u4e32\uff1a<\/p>\n
    String str = \"Java\";\nchar[] charArray = str.toCharArray();\n\n\/\/ \u4fee\u6539\u5b57\u7b26\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5b57\u7b26\ncharArray[0] = 'C';\n\n\/\/ \u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6\u4fee\u6539\u540e\u7684\u5b57\u7b26\u4e32\nString modifiedStr = new String(charArray);\n\nSystem.out.println(modifiedStr); \/\/ \u8f93\u51fa\uff1aCava<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u5b57\u7b26\u6570\u7ec4\u600e\u4e48\u5b58\u653e\u5b57\u7b26\u4e32\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    java \u4e2d\uff0c\u5b57\u7b26\u4e32\u672c\u8d28\u4e0a\u662f\u5b57\u7b26\u6570\u7ec4\u3002\u521b\u5efa\u5b57\u7b26\u6570\u7ec4\u540e\uff0c\u53ef\u901a\u8fc7 tochararray() \u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff0c\u6216\u4f7f\u7528 string() \u6784\u9020\u51fd\u6570\u4ece\u5b57\u7b26\u6570\u7ec4\u83b7\u53d6\u5b57\u7b26\u4e32\u3002\u5176\u4ed6\u65b9\u6cd5\u5305\u62ec getchars()\u3001valueof() \u548c copyvalueof()\u3002\u793a\u4f8b\uff1astring str = “java”\uff0c\u521b\u5efa chararray = str.tochararray()\uff0c\u4fee\u6539 chararray[0] = ‘c’\uff0c\u83b7\u53d6\u4fee\u6539\u540e\u7684\u5b57\u7b26\u4e32 modifiedstr = new string(charar Java \u5b57\u7b26\u6570\u7ec4\u5b58\u50a8\u5b57\u7b26\u4e32 \u5728 Java \u4e2d\uff0c\u4e00\u4e2a\u5b57\u7b26\u4e32\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4ee3\u8868\u4e00\u4e2a\u5b57\u7b26\u3002\u5b57\u7b26\u6570\u7ec4\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\uff0c\u56e0\u6b64\u5b58\u50a8\u5b57\u7b26\u4e32\u65f6\u9700\u8981\u8003\u8651\u5176\u957f\u5ea6\u3002 \u521b\u5efa\u5b57\u7b26\u6570\u7ec4 \u8981\u521b\u5efa\u5b57\u7b26\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b char[] charArray = new char[length]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d length \u662f\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002 \u5c06\u5b57\u7b26\u4e32\u5b58\u50a8\u5230\u5b57\u7b26\u6570\u7ec4 \u53ef\u4ee5\u4f7f\u7528 toCharArray() \u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff1a String str = “Hello”; char[] charArray = str.toCharArray(); \u767b\u5f55\u540e\u590d\u5236 \u6b64\u64cd\u4f5c\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u590d\u5236\u5230\u5b57\u7b26\u6570\u7ec4\u4e2d\u3002 \u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6\u5b57\u7b26\u4e32 \u8981\u4ece\u5b57\u7b26\u6570\u7ec4\u4e2d\u83b7\u53d6\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528 […]<\/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-64120","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64120","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=64120"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64120\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}