{"id":65303,"date":"2025-05-03T10:38:37","date_gmt":"2025-05-03T02:38:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65303\/"},"modified":"2025-05-03T10:38:37","modified_gmt":"2025-05-03T02:38:37","slug":"java-%e5%ad%97%e7%ac%a6%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%a3%b0%e6%98%8e-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65303\/","title":{"rendered":"java \u5b57\u7b26\u6570\u7ec4\u600e\u4e48\u58f0\u660e"},"content":{"rendered":"

\n java \u4e2d\u58f0\u660e\u5b57\u7b26\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 char[] \u58f0\u660e\u548c\u521d\u59cb\u5316\u6570\u7ec4\u3002\u4f7f\u7528 char[] \u58f0\u660e\u5e76\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\u3002\u5c06 string \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\u3002\u4ece\u73b0\u6709\u6570\u7ec4\u590d\u5236\u4e00\u5b9a\u6570\u91cf\u5143\u7d20\u5230\u65b0\u6570\u7ec4\u3002\u7528\u6307\u5b9a\u5b57\u7b26\u586b\u5145\u6570\u7ec4\u6240\u6709\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java<\/p>\n

\u5982\u4f55\u58f0\u660e Java \u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n

Java \u4e2d\u58f0\u660e\u5b57\u7b26\u6570\u7ec4\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n

1. \u4f7f\u7528 char[] \u58f0\u660e<\/strong><\/p>\n

\u8fd9\u79cd\u65b9\u6cd5\u76f4\u63a5\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\uff1a<\/p>\n

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

char[] charArray = new char[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0csize \u8868\u793a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5b83\u6307\u5b9a\u4e86\u6570\u7ec4\u53ef\u4ee5\u5bb9\u7eb3\u591a\u5c11\u4e2a\u5b57\u7b26\u5143\u7d20\u3002<\/p>\n
2. \u4f7f\u7528 char[] \u58f0\u660e\u5e76\u521d\u59cb\u5316<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u5141\u8bb8\u60a8\u5728\u58f0\u660e\u65f6\u540c\u65f6\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n
char[] charArray = { 'a', 'b', 'c', 'd', 'e' };<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 String \u7684 toCharArray() \u65b9\u6cd5<\/strong><\/p>\n
\u5982\u679c\u60a8\u6709\u4e00\u4e2a String \u5bf9\u8c61\uff0c\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff1a<\/p>\n
String str = \"Hello World\";\nchar[] charArray = str.toCharArray();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u5141\u8bb8\u60a8\u4ece\u73b0\u6709\u6570\u7ec4\u590d\u5236\u4e00\u5b9a\u6570\u91cf\u7684\u5143\u7d20\u5230\u4e00\u4e2a\u65b0\u6570\u7ec4\uff1a<\/p>\n
char[] originalArray = { 'a', 'b', 'c', 'd', 'e' };\nchar[] copiedArray = Arrays.copyOf(originalArray, 3);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
5. \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u5141\u8bb8\u60a8\u7528\u6307\u5b9a\u5b57\u7b26\u586b\u5145\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\uff1a<\/p>\n
char[] charArray = new char[size];\nArrays.fill(charArray, 'x');<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava \u5b57\u7b26\u6570\u7ec4\u600e\u4e48\u58f0\u660e\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\u58f0\u660e\u5b57\u7b26\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 char[] \u58f0\u660e\u548c\u521d\u59cb\u5316\u6570\u7ec4\u3002\u4f7f\u7528 char[] \u58f0\u660e\u5e76\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\u3002\u5c06 string \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\u3002\u4ece\u73b0\u6709\u6570\u7ec4\u590d\u5236\u4e00\u5b9a\u6570\u91cf\u5143\u7d20\u5230\u65b0\u6570\u7ec4\u3002\u7528\u6307\u5b9a\u5b57\u7b26\u586b\u5145\u6570\u7ec4\u6240\u6709\u5143\u7d20\u3002 \u5982\u4f55\u58f0\u660e Java \u5b57\u7b26\u6570\u7ec4 Java \u4e2d\u58f0\u660e\u5b57\u7b26\u6570\u7ec4\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a 1. \u4f7f\u7528 char[] \u58f0\u660e \u8fd9\u79cd\u65b9\u6cd5\u76f4\u63a5\u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b char[] charArray = new char[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0csize \u8868\u793a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5b83\u6307\u5b9a\u4e86\u6570\u7ec4\u53ef\u4ee5\u5bb9\u7eb3\u591a\u5c11\u4e2a\u5b57\u7b26\u5143\u7d20\u3002 2. \u4f7f\u7528 char[] \u58f0\u660e\u5e76\u521d\u59cb\u5316 \u6b64\u65b9\u6cd5\u5141\u8bb8\u60a8\u5728\u58f0\u660e\u65f6\u540c\u65f6\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a char[] charArray = { ‘a’, ‘b’, ‘c’, ‘d’, ‘e’ }; \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528 String \u7684 toCharArray() \u65b9\u6cd5 \u5982\u679c\u60a8\u6709\u4e00\u4e2a String \u5bf9\u8c61\uff0c\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff1a String str = […]<\/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-65303","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65303","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=65303"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65303\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}