{"id":38716,"date":"2024-11-26T11:55:43","date_gmt":"2024-11-26T03:55:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38716\/"},"modified":"2024-11-26T11:55:43","modified_gmt":"2024-11-26T03:55:43","slug":"java%e6%80%8e%e4%b9%88%e5%b0%86%e5%ad%97%e7%ac%a6%e6%94%be%e5%9c%a8%e6%95%b0%e7%bb%84%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38716\/","title":{"rendered":"java\u600e\u4e48\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d\u7684\u6b65\u9aa4\u5305\u62ec\uff1a1. \u58f0\u660e char \u6570\u7ec4\uff1b2. \u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521d\u59cb\u5316\u6570\u7ec4\uff1b3. \u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff1b4. \u901a\u8fc7\u7d22\u5f15\u8bbe\u7f6e\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5c06\u5b57\u7b26\u653e\u5728 Java \u6570\u7ec4\u4e2d<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d\uff1a<\/p>\n

1. \u58f0\u660e\u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n

\u9996\u5148\uff0c\u9700\u8981\u58f0\u660e\u4e00\u4e2a char \u7c7b\u578b\u7684\u6570\u7ec4\u6765\u5b58\u50a8\u5b57\u7b26\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

char[] charArray;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n
\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5927\u5c0f\uff1a<\/p>\n
charArray = new char[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n
3. \u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u76f4\u5230 length – 1 \u7ed3\u675f\uff1a<\/p>\n
char c = charArray[index];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u8bbe\u7f6e\u5143\u7d20<\/strong><\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbe\u7f6e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
charArray[index] = c;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d\uff1a<\/p>\n
char[] charArray = new char[5];\n\n\/\/ \u8bbe\u7f6e\u6570\u7ec4\u4e2d\u7684\u503c\ncharArray[0] = 'H';\ncharArray[1] = 'e';\ncharArray[2] = 'l';\ncharArray[3] = 'l';\ncharArray[4] = 'o';\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u503c\nchar firstChar = charArray[0];\n\n\/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7684\u503c\nfor (char c : charArray) {\n    System.out.print(c);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
Hello<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d\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":"
\u5728 java \u4e2d\uff0c\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d\u7684\u6b65\u9aa4\u5305\u62ec\uff1a1. \u58f0\u660e char \u6570\u7ec4\uff1b2. \u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521d\u59cb\u5316\u6570\u7ec4\uff1b3. \u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\uff1b4. \u901a\u8fc7\u7d22\u5f15\u8bbe\u7f6e\u5143\u7d20\u3002 \u5982\u4f55\u5c06\u5b57\u7b26\u653e\u5728 Java \u6570\u7ec4\u4e2d \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u5b57\u7b26\u653e\u5728\u6570\u7ec4\u4e2d\uff1a 1. \u58f0\u660e\u5b57\u7b26\u6570\u7ec4 \u9996\u5148\uff0c\u9700\u8981\u58f0\u660e\u4e00\u4e2a char \u7c7b\u578b\u7684\u6570\u7ec4\u6765\u5b58\u50a8\u5b57\u7b26\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b char[] charArray; \u767b\u5f55\u540e\u590d\u5236 2. \u521d\u59cb\u5316\u6570\u7ec4 \u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\u5e76\u6307\u5b9a\u5927\u5c0f\uff1a charArray = new char[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 3. \u8bbf\u95ee\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u76f4\u5230 length – 1 \u7ed3\u675f\uff1a char c = charArray[index]; \u767b\u5f55\u540e\u590d\u5236 4. \u8bbe\u7f6e\u5143\u7d20 […]<\/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-38716","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38716","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=38716"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38716\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}