{"id":31235,"date":"2023-06-04T16:23:07","date_gmt":"2024-03-10T20:30:55","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87%e5%9c%a8paiza%e4%b8%8a%e5%ad%a6%e4%b9%a0%ef%bc%8c%e6%88%91%e6%8e%8c%e6%8f%a1%e4%ba%86java%e6%96%b9%e6%b3%95%e7%9a%84%e9%80%9f%e6%9f%a5%e8%a1%a8%e3%80%82\/"},"modified":"2025-08-12T22:59:41","modified_gmt":"2025-08-12T14:59:41","slug":"%e9%80%9a%e8%bf%87%e5%9c%a8paiza%e4%b8%8a%e5%ad%a6%e4%b9%a0%ef%bc%8c%e6%88%91%e6%8e%8c%e6%8f%a1%e4%ba%86java%e6%96%b9%e6%b3%95%e7%9a%84%e9%80%9f%e6%9f%a5%e8%a1%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87%e5%9c%a8paiza%e4%b8%8a%e5%ad%a6%e4%b9%a0%ef%bc%8c%e6%88%91%e6%8e%8c%e6%8f%a1%e4%ba%86java%e6%96%b9%e6%b3%95%e7%9a%84%e9%80%9f%e6%9f%a5%e8%a1%a8%e3%80%82\/","title":{"rendered":"\u901a\u8fc7\u5728paiza\u4e0a\u5b66\u4e60\uff0c\u6211\u638c\u63e1\u4e86Java\u65b9\u6cd5\u7684\u901f\u67e5\u8868"},"content":{"rendered":"<h1>\u9996\u5148\u521d\u6b21\u89c1\u9762\uff01\u6211\u662fYoshikawa\uff0c\u8fd9\u5c06\u662f\u6211\u7684\u7b2c\u4e00\u6b21\u6295\u7a3f\uff01<br \/>\n\u5728\u5927\u5b66\u91cc\uff0c\u6211\u542c\u8bf4\u4e86\u5173\u4e8ePaiza\u5b66\u4e60\u7684\u4ecb\u7ecd\uff0c\u4e8e\u662f\u4ea7\u751f\u4e86\u5174\u8da3\u5e76\u5f00\u59cb\u4e86\u5b66\u4e60\u3002<br \/>\n\u5728\u5b66\u4e60\u8fc7\u7a0b\u4e2d\uff0c\u6211\u53d1\u73b0\u4e86\u4e00\u4e9b\u6211\u4e4b\u524d\u4e0d\u77e5\u9053\u7684\u6709\u7528\u7684Java\u65b9\u6cd5\uff0c\u6240\u4ee5\u60f3\u5199\u4e00\u7bc7\u6587\u7ae0\u6765\u4ecb\u7ecd\u5b83\u4eec\u3002<br \/>\n\u5982\u679c\u6709\u9519\u8bef\u6216\u9700\u8981\u8865\u5145\u7684\u5730\u65b9\uff0c\u8bf7\u6307\u51fa\u6765\u3002<\/p>\n<h1>\u76ee\u5f55\u83b7\u53d6\u5b57\u7b26\u4e32a\u7684\u957f\u5ea6<br \/>\n\u68c0\u67e5\u5b57\u7b26\u4e32a\u662f\u5426\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32s<br \/>\n\u63d0\u53d6\u5b57\u7b26\u4e32a\u4e2d\u7b2cn\u81f3\u7b2cm\u4e2a\u5b57\u7b26<br \/>\n\u5c06\u5b57\u7b26\u4e32a\u5206\u5272\u5e76\u5c06\u5206\u5272\u540e\u7684\u5b57\u7b26\u4e32\u5b58\u50a8\u4e3a\u6570\u7ec4<br \/>\n\u5c06\u5b57\u7b26\u4e32a\u8f6c\u6362\u4e3a\u6570\u5b57<br \/>\n\u5c06\u6570\u5b57i\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<br \/>\n\u8ba1\u7b97\u6570\u5b57a\u7684\u7edd\u5bf9\u503c<br \/>\n\u53c2\u8003\u7684\u9875\u9762<\/p>\n<h2>\u63d0\u53d6\u5b57\u7b26\u4e32a\u7684\u957f\u5ea6<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">a<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">()<\/span>\r\n<\/code><\/pre>\n<p>\u65e0\u8bba\u662f\u534a\u89d2\u8fd8\u662f\u5168\u89d2\uff0c\u90fd\u80fd\u591f\u8fd4\u56de\u7ed9\u60a8\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"nc\">String<\/span> <span class=\"n\">str<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"white\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">str2<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u767d\"<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">str<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">());<\/span> <span class=\"c1\">\/\/ 5<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">str2<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">());<\/span> <span class=\"c1\">\/\/ 1<\/span>\r\n<\/code><\/pre>\n<h2>\u8bf7\u7528\u4e2d\u6587\u6539\u8ff0\u4ee5\u4e0b\u53e5\u5b50\uff0c\u4ec5\u9700\u8981\u4e00\u79cd\u9009\u62e9\uff1a\u68c0\u67e5\u5b57\u7b26\u4e32a\u662f\u5426\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32s\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">a<\/span><span class=\"o\">.<\/span><span class=\"na\">contains<\/span><span class=\"o\">(<\/span><span class=\"n\">s<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5305\u542b\u6307\u5b9a\u7684\u5b57\u7b26\u4e32s\uff0c\u5c31\u8fd4\u56detrue\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"nc\">String<\/span> <span class=\"n\">str<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"Hello\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">str2<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"Thanks\"<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">str<\/span><span class=\"o\">.<\/span><span class=\"na\">contains<\/span><span class=\"o\">(<\/span><span class=\"s\">\"H\"<\/span><span class=\"o\">));<\/span> <span class=\"c1\">\/\/ true<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">str2<\/span><span class=\"o\">.<\/span><span class=\"na\">contains<\/span><span class=\"o\">(<\/span><span class=\"s\">\"a\"<\/span><span class=\"o\">));<\/span> <span class=\"c1\">\/\/ false<\/span>\r\n<\/code><\/pre>\n<h2>\u4ece\u5b57\u7b26\u4e32a\u4e2d\u63d0\u53d6\u7b2cn\u5230\u7b2cm\u4e2a\u5b57\u7b26\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">a<\/span><span class=\"o\">.<\/span><span class=\"na\">substring<\/span><span class=\"o\">(<\/span><span class=\"n\">n<\/span><span class=\"o\">,<\/span><span class=\"n\">m<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<p>\u5c06\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u6807\u8bb0\u4e3a0\u3002<br \/>\n\u867d\u7136\u5199\u4e3a(n, m)\uff0c\u4f46\u5b9e\u9645\u4e0a\u53d6\u51fa\u7684\u662f\u4ecen\u5230m-1\u7684\u8303\u56f4\u5185\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"nc\">String<\/span> <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u3053\u3093\u306b\u3061\u306f\u304a\u5143\u6c17\u3067\u3059\u304b\uff1f\"<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">msg<\/span><span class=\"o\">.<\/span><span class=\"na\">substring<\/span><span class=\"o\">(<\/span><span class=\"mi\">5<\/span><span class=\"o\">,<\/span><span class=\"mi\">11<\/span><span class=\"o\">));<\/span>  <span class=\"c1\">\/\/ \u304a\u5143\u6c17\u3067\u3059\u304b<\/span>\r\n<\/code><\/pre>\n<p>\u4f60\u597d\uff0c\u4f60\u8fc7\u5f97\u597d\u5417\uff1f\u628a&#8221;\u3053\u3093\u306b\u3061\u306f\u304a\u5143\u6c17\u3067\u3059\u304b\uff1f&#8221;\u89c6\u4e3a\u7b2c0\u4e2a\u5b57\u7b26\uff0c&#8221;\u304a\u306f&#8221;\u662f\u7b2c5\u4e2a\u5b57\u7b26\uff0c\u6240\u4ee5\u5f00\u59cb\u7d22\u5f15n\u662f5\u3002<br \/>\n&#8220;\u304b&#8221;\u662f\u7b2c10\u4e2a\u5b57\u7b26\uff0c\u6240\u4ee5\u7ed3\u675f\u7d22\u5f15m\u662f11\u3002<\/p>\n<h2>\u5c06\u5b57\u7b26\u4e32a\u5206\u5272\uff0c\u5e76\u5c06\u5206\u5272\u540e\u7684\u5b57\u7b26\u4e32\u5b58\u50a8\u4e3a\u6570\u7ec4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">a<\/span><span class=\"o\">.<\/span><span class=\"na\">split<\/span><span class=\"o\">(<\/span><span class=\"n\">\u533a\u5207\u308a\u305f\u3044\u6587\u5b57\u5217<\/span><span class=\"o\">,<\/span><span class=\"n\">\u5206\u5272\u5f8c\u306e\u8981\u7d20\u6570<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>    <span class=\"nc\">String<\/span> <span class=\"n\">str<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"a,b,c,d,e\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"o\">[]<\/span> <span class=\"n\">strArray<\/span> <span class=\"o\">=<\/span> <span class=\"n\">str<\/span><span class=\"o\">.<\/span><span class=\"na\">split<\/span><span class=\"o\">(<\/span><span class=\"s\">\",\"<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span> <span class=\"o\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"n\">strArray<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span> <span class=\"o\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">++)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">strArray<\/span><span class=\"o\">[<\/span><span class=\"n\">i<\/span><span class=\"o\">]);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    <span class=\"c1\">\/\/ a<\/span>\r\n    <span class=\"c1\">\/\/ b<\/span>\r\n    <span class=\"c1\">\/\/ c<\/span>\r\n    <span class=\"c1\">\/\/ d<\/span>\r\n    <span class=\"c1\">\/\/ e<\/span>\r\n<\/code><\/pre>\n<h2>\u5c06\u5b57\u7b26\u4e32a\u8f6c\u6362\u4e3a\u6570\u5b57<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Integer<\/span><span class=\"o\">.<\/span><span class=\"na\">parseInt<\/span><span class=\"o\">(<\/span><span class=\"n\">a<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5b57\u7b26\u4e32\u7684\u5f00\u5934\u662f0\uff0c\u5219\u4f1a\u8fdb\u884c\u201c\u8865\u96f6\u201d\u64cd\u4f5c\u6765\u5220\u9664\u8be5\u5f00\u5934\u76840\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"nc\">String<\/span> <span class=\"n\">str<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"123\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">str2<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0567\"<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">n<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">.<\/span><span class=\"na\">parseInt<\/span><span class=\"o\">(<\/span><span class=\"n\">str<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">m<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">.<\/span><span class=\"na\">parseInt<\/span><span class=\"o\">(<\/span><span class=\"n\">str2<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">n<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 123<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">m<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 567<\/span>\r\n<\/code><\/pre>\n<h2>\u5c06\u6570\u503ci\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Integer<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>    <span class=\"kt\">int<\/span> <span class=\"n\">n<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">123<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">m<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">789<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">str<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">(<\/span><span class=\"n\">n<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">str2<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Integer<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">(<\/span><span class=\"n\">m<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">str<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 123<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">str2<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 789<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">str<\/span> <span class=\"o\">+<\/span> <span class=\"n\">str2<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 123789 \u2190str,str2\u304cint\u578b\u3060\u3068912\u304c\u51fa\u529b\u3055\u308c\u308b<\/span>\r\n<\/code><\/pre>\n<h2>\u6c42\u89e3\u6570\u503ca\u7684\u7edd\u5bf9\u503c<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">Math<\/span><span class=\"o\">.<\/span><span class=\"na\">abs<\/span><span class=\"o\">(<\/span><span class=\"n\">a<\/span><span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8981\u4f7f\u7528if\u8bed\u53e5\u6765\u8ba1\u7b97\u7edd\u5bf9\u503c\uff0c\u90a3\u4e48\u8fd9\u4e2a\u4ee3\u7801\u9002\u5408\u90a3\u4e9b\u60f3\u8981\u51cf\u5c11\u4ee3\u7801\u957f\u5ea6\u7684\u4eba\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"kt\">int<\/span> <span class=\"n\">n<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">234<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">m<\/span> <span class=\"o\">=<\/span> <span class=\"o\">-<\/span><span class=\"mi\">456<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"nc\">Math<\/span><span class=\"o\">.<\/span><span class=\"na\">abs<\/span><span class=\"o\">(<\/span><span class=\"n\">n<\/span><span class=\"o\">));<\/span> <span class=\"c1\">\/\/234<\/span>\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"nc\">Math<\/span><span class=\"o\">.<\/span><span class=\"na\">abs<\/span><span class=\"o\">(<\/span><span class=\"n\">m<\/span><span class=\"o\">));<\/span> <span class=\"c1\">\/\/456<\/span>\r\n<\/code><\/pre>\n<h1>\u6211\u5df2\u7ecf\u53c2\u8003\u4e86\u8fd9\u4e2a\u9875\u9762\u3002\u611f\u8c22\u60a8\u5728\u672c\u6b21\u5199\u4f5c\u8fc7\u7a0b\u4e2d\u63d0\u4f9b\u4ee5\u4e0b\u9875\u9762\u4f5c\u4e3a\u53c2\u8003\u3002\u975e\u5e38\u611f\u8c22\u3002<\/p>\n<p>\u3010Java\u3011\u4f7f\u7528length()\u548clength\u51fd\u6570\u83b7\u53d6\u5b57\u7b26\u4e32\u548c\u6570\u7ec4\u7684\u957f\u5ea6\uff01<br \/>\n\u3010\u901f\u7fd2Java\u3011\u4f7f\u7528String\u7684contains\u51fd\u6570\u6765\u5224\u65ad\u662f\u5426\u5305\u542b\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5<br \/>\n\u83b7\u53d6\u6307\u5b9a\u5f00\u59cb\u548c\u7ed3\u5c3e\u7d22\u5f15\u7684\u5b50\u5b57\u7b26\u4e32<br \/>\n\u73b0\u5f79\u5de5\u7a0b\u5e08\u89e3\u91caJava\u4e2dsplit\u7684\u7528\u6cd5<br \/>\n\u5728Java\u4e2d\u8fdb\u884c\u6570\u503c\u548c\u5b57\u7b26\u4e32\u8f6c\u6362\u5e76\u4e0d\u9700\u8981\u7279\u522b\u5f3a\u8c03<br \/>\nLet&#8217;s\u7f16\u7a0b\uff0c\u83b7\u53d6\u7edd\u5bf9\u503c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u521d\u6b21\u89c1\u9762\uff01\u6211\u662fYoshikawa\uff0c\u8fd9\u5c06\u662f\u6211\u7684\u7b2c\u4e00\u6b21\u6295\u7a3f\uff01 \u5728\u5927\u5b66\u91cc\uff0c\u6211\u542c\u8bf4\u4e86\u5173\u4e8ePaiza\u5b66\u4e60\u7684\u4ecb\u7ecd\uff0c\u4e8e\u662f [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31235","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u901a\u8fc7\u5728paiza\u4e0a\u5b66\u4e60\uff0c\u6211\u638c\u63e1\u4e86Java\u65b9\u6cd5\u7684\u901f\u67e5\u8868 - Blog 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