{"id":65818,"date":"2025-05-03T16:33:45","date_gmt":"2025-05-03T08:33:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65818\/"},"modified":"2025-05-03T16:33:45","modified_gmt":"2025-05-03T08:33:45","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e5%ad%97%e7%ac%a6%e7%b1%bb%e5%9e%8b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65818\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u7c7b\u578b"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 char[] \u6570\u7ec4\u7c7b\u578b\uff0c\u6bcf\u4e2a\u5143\u7d20\u521d\u59cb\u5316\u4e3a unicode \u5b57\u7b26 &#8216;u0000&#8217;\u3002\u4f7f\u7528 string \u6570\u7ec4\uff0c\u6bcf\u4e2a\u5143\u7d20\u5b58\u50a8\u4e00\u4e2a\u5b57\u7b26\u5e8f\u5217\u3002\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0cchar \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u662f\u539f\u8bed\u503c\uff0c\u800c string \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u662f\u5bf9\u8c61\u5f15\u7528\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111311302462302.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u7c7b\u578b\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u7c7b\u578b\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5982\u4f55\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 char[] \u6570\u7ec4\u7c7b\u578b<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>char[] arrayName = new char[size];<\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u6307\u5b9a\u5927\u5c0f\u7684\u5b57\u7b26\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u521d\u59cb\u5316\u4e3a Unicode \u5b57\u7b26 &#8216;u0000&#8217;\u3002<\/p>\n<p><strong>2. \u4f7f\u7528 String<\/strong><\/p>\n<p>String arrayName[] = new String[size];<\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u6570\u7ec4\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u3002\u6bcf\u4e2a\u5b57\u7b26\u4e32\u5bf9\u8c61\u90fd\u5b58\u50a8\u4e00\u4e2a\u5b57\u7b26\u5e8f\u5217\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p><strong>\u5b9a\u4e49\u4e00\u4e2a\u5927\u5c0f\u4e3a 10 \u7684 char \u6570\u7ec4<\/strong><\/p>\n<pre>char[] charArray = new char[10];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5b9a\u4e49\u4e00\u4e2a\u5927\u5c0f\u4e3a 5 \u7684 String \u6570\u7ec4<\/strong><\/p>\n<pre>String[] stringArray = new String[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u4e00\u65e6\u5b9a\u4e49\u4e86\u6570\u7ec4\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5176\u5143\u7d20\u3002<\/p>\n<p><strong>\u5bf9\u4e8e char \u6570\u7ec4\uff1a<\/strong><\/p>\n<p>char element = charArray[index];<\/p>\n<p><strong>\u5bf9\u4e8e String \u6570\u7ec4\uff1a<\/strong><\/p>\n<p>String element = stringArray[index];<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u8bbf\u95ee char \u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n<pre>char firstChar = charArray[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8bbf\u95ee String \u6570\u7ec4\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\uff1a<\/p>\n<pre>String thirdString = stringArray[2];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5b57\u7b26\u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u5355\u4e2a\u5b57\u7b26\uff0c\u800c String \u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u5b57\u7b26\u6570\u7ec4\u7684\u5143\u7d20\u662f\u539f\u8bed\u503c\uff0c\u800c String \u6570\u7ec4\u7684\u5143\u7d20\u662f\u5bf9\u8c61\u5f15\u7528\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u5b57\u7b26\u7c7b\u578b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 char[] \u6570\u7ec4\u7c7b\u578b\uff0c\u6bcf\u4e2a\u5143\u7d20\u521d\u59cb\u5316\u4e3a unicode \u5b57\u7b26 &#8216;u0000&#8217;\u3002\u4f7f\u7528 string \u6570\u7ec4\uff0c\u6bcf\u4e2a\u5143\u7d20\u5b58\u50a8\u4e00\u4e2a\u5b57\u7b26\u5e8f\u5217\u3002\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0cchar \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u662f\u539f\u8bed\u503c\uff0c\u800c string \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u662f\u5bf9\u8c61\u5f15\u7528\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4 \u5982\u4f55\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 char[] \u6570\u7ec4\u7c7b\u578b \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b char[] arrayName = new char[size]; \u8fd9\u79cd\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u6307\u5b9a\u5927\u5c0f\u7684\u5b57\u7b26\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u521d\u59cb\u5316\u4e3a Unicode \u5b57\u7b26 &#8216;u0000&#8217;\u3002 2. \u4f7f\u7528 String String arrayName[] = new String[size]; \u8fd9\u79cd\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u6570\u7ec4\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u3002\u6bcf\u4e2a\u5b57\u7b26\u4e32\u5bf9\u8c61\u90fd\u5b58\u50a8\u4e00\u4e2a\u5b57\u7b26\u5e8f\u5217\u3002 \u793a\u4f8b \u5b9a\u4e49\u4e00\u4e2a\u5927\u5c0f\u4e3a 10 \u7684 char \u6570\u7ec4 char[] charArray = new char[10]; \u767b\u5f55\u540e\u590d\u5236 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