{"id":67039,"date":"2025-05-03T14:26:54","date_gmt":"2025-05-03T06:26:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67039\/"},"modified":"2025-05-03T14:26:54","modified_gmt":"2025-05-03T06:26:54","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e5%ad%97%e7%ac%a6%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67039\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 char[] \u5173\u952e\u5b57\uff1achar[] mychararray = new char[size];\u4f7f\u7528 string\uff1astring mystring = “hello world”;\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\uff1a<\/p>\n

1. \u4f7f\u7528 char[] \u5173\u952e\u5b57<\/strong><\/p>\n

\u8fd9\u662f\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

char[] myCharArray = new char[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • myCharArray \u662f\u5b57\u7b26\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u5305\u542b 10 \u4e2a\u5b57\u7b26\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
    char[] myCharArray = new char[10];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    2. \u4f7f\u7528 String<\/strong><\/p>\n
    \u867d\u7136 String \u4e0d\u662f\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u7c7b\u578b\uff0c\u4f46\u5b83\u53ef\u4ee5\u88ab\u7528\u4f5c\u5b57\u7b26\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    String myString = \"Hello World\";<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d myString \u662f\u5b57\u7b26\u4e32\u7684\u540d\u79f0\uff0c\u800c Hello World \u662f\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u3002<\/p>\n
    \u5b57\u7b26\u6570\u7ec4\u7684\u4f7f\u7528<\/strong><\/p>\n
    \u5b57\u7b26\u6570\u7ec4\u4e00\u65e6\u5b9a\u4e49\uff0c\u5c31\u53ef\u4ee5\u50cf\u666e\u901a\u6570\u7ec4\u4e00\u6837\u4f7f\u7528\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u8bbe\u7f6e\u503c\uff0c\u5e76\u904d\u5386\u6570\u7ec4\u3002<\/p>\n
    \u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
    char firstChar = myCharArray[0];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8981\u8bbe\u7f6e\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
    myCharArray[0] = 'A';<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8981\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\uff1a<\/p>\n
    for (char c : myCharArray) {\n  System.out.println(c);\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\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":"
    java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 char[] \u5173\u952e\u5b57\uff1achar[] mychararray = new char[size];\u4f7f\u7528 string\uff1astring mystring = “hello world”; \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\uff1a 1. \u4f7f\u7528 char[] \u5173\u952e\u5b57 \u8fd9\u662f\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b char[] myCharArray = new char[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a myCharArray \u662f\u5b57\u7b26\u6570\u7ec4\u7684\u540d\u79f0\u3002 size \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u5305\u542b 10 \u4e2a\u5b57\u7b26\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a char[] myCharArray = new char[10]; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 String \u867d\u7136 String \u4e0d\u662f\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u7c7b\u578b\uff0c\u4f46\u5b83\u53ef\u4ee5\u88ab\u7528\u4f5c\u5b57\u7b26\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a String myString = “Hello […]<\/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-67039","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67039","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=67039"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67039\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}