{"id":89410,"date":"2025-11-18T13:00:00","date_gmt":"2025-11-18T13:00:00","guid":{"rendered":"https:\/\/www.azul.com\/blog\/the-art-of-performance-tuning-in-java\/"},"modified":"2025-12-12T20:30:32","modified_gmt":"2025-12-12T20:30:32","slug":"the-art-of-performance-tuning-in-java","status":"publish","type":"post","link":"https:\/\/www.azul.com\/zh-hans\/blog\/the-art-of-performance-tuning-in-java\/","title":{"rendered":"Java \u6027\u80fd\u8c03\u4f18\u7684\u827a\u672f"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-\u5982\u679c\u60a8\u7684\u4ee3\u7801\u6d6a\u8d39\u4e86-1000-\u500d\u4ee5\u4e0a-\u4e3a\u4ec0\u4e48\u5728\u4e91\u4e2d\u8282\u7701-30-\u6beb\u65e0\u610f\u4e49\">\u5982\u679c\u60a8\u7684\u4ee3\u7801\u6d6a\u8d39\u4e86 1000 \u500d\u4ee5\u4e0a\uff0c\u4e3a\u4ec0\u4e48\u5728\u4e91\u4e2d\u8282\u7701 30% \u6beb\u65e0\u610f\u4e49<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u603b\u7ed3\"><em><em>\u603b\u7ed3<\/em>\u00a0<\/em>\u00a0<\/h2>\n\n\n\n<p><em>\u5f53 Kirk Pepperdine \u8981\u6c42\u5f00\u53d1\u4eba\u5458\u89e3\u51b3\u6d89\u53ca Java \u4ee3\u7801\u7247\u6bb5\u7684\u6027\u80fd\u6311\u6218\u65f6\uff0cAzul \u9996\u5e2d\u9500\u552e\u5de5\u7a0b\u5e08 Daniel Witkowski \u5c1d\u8bd5\u89e3\u51b3\u8be5\u95ee\u9898\u3002\u4ed6\u53d1\u73b0\uff0c\u6311\u6218\u4e0e\u5176\u8bf4\u5728\u4e8e\u6027\u80fd\uff0c\u4e0d\u5982\u8bf4\u5728\u4e8e\u6211\u4eec\u7684\u601d\u7ef4\u65b9\u5f0f\uff0c\u56e0\u4e3a\u8f6f\u4ef6\u6d6a\u8d39\u5728\u672a\u88ab\u5ea6\u91cf\u4e4b\u524d\u662f\u4e0d\u53ef\u89c1\u7684\u3002<\/em>\u00a0<\/p>\n\n\n\n<p><em>\u00a0\u5728\u672c\u6587\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\uff1a<\/em>\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>\u4ee5\u4e0d\u540c\u7684\u601d\u7ef4\u65b9\u5f0f\u770b\u5f85\u4ee3\u7801\uff0c\u5728\u6027\u80fd\uff08\u4ee5\u53ca\u6210\u672c\uff09\u65b9\u9762\u6240\u80fd\u5e26\u6765\u7684\u63d0\u5347\uff0c\u5f80\u5f80\u8d85\u8fc7\u786c\u4ef6\u8c03\u4f18<\/em>\u00a0<\/li>\n\n\n\n<li><em>\u8bb8\u591a\u73b0\u5b9e\u4e16\u754c\u7684\u7cfb\u7edf\u8868\u73b0\u5f97\u5c31\u50cf\u7528\u6574\u6d01\u4ee3\u7801\u4f2a\u88c5\u7684\u9690\u5f62\u4f4e\u6548<\/em>\u00a0<\/li>\n\n\n\n<li><em>\u6b63\u5219\u8868\u8fbe\u5f0f\u5f15\u64ce\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f15\u53d1\u9501\u5b9a\u6574\u4e2a\u7ebf\u7a0b\u7684<\/em><em>\u201c<\/em><em>\u707e\u96be\u6027\u56de\u6eaf<\/em><em>\u201d<\/em>\u00a0<\/li>\n\n\n\n<li><em>\u6709\u65f6\uff0c\u4f7f\u7528<\/em><em> JVM <\/em><em>\u4e2d\u5df2\u6709\u7684\u5185\u5bb9\u6bd4\u521b\u5efa\u65b0\u5185\u5bb9\u66f4\u5feb\u3001\u66f4\u5b89\u5168<\/em>\u00a0<\/li>\n\n\n\n<li><em>\u79fb\u9664\u65b9\u6cd5\u8c03\u7528\u3001<\/em><em>Unicode <\/em><em>\u5f00\u9500\u548c\u65e0\u5173\u68c0\u67e5\u80fd\u591f\u63d0\u5347\u6027\u80fd\u5e76\u8282\u7701\u6210\u672c<\/em>\u00a0<\/li>\n\n\n\n<li><em>\u5feb\u901f\u5931\u8d25\u3001\u9996\u5148\u68c0\u67e5\u6700\u7b80\u5355\u7684\u6761\u4ef6\u5e76\u8df3\u8fc7\u4e0d\u5fc5\u8981\u7684\u5de5\u4f5c\u7684\u4ee3\u7801\u53ef\u80fd\u975e\u5e38\u6709\u6548<\/em>\u00a0<\/li>\n<\/ul>\n\n\n\n<p>\u51e0\u5468\u524d\uff0c<a href=\"https:\/\/www.kodewerk.com\/java\/performance\/2025\/09\/28\/puzzling-performance.html\" target=\"_blank\" rel=\"noreferrer noopener\">Kirk Pepperdine<\/a> \u53d1\u5e03\u4e86\u4e00\u9879\u4ee4\u4eba\u7740\u8ff7\u7684\u6027\u80fd\u6311\u6218\u2014\u2014\u4e00\u6bb5\u770b\u4f3c\u5fae\u4e0d\u8db3\u9053\u7684 Java \u4ee3\u7801\u7247\u6bb5\uff0c\u4f46\u5374\u4ea7\u751f\u4e86\u4ee4\u4eba\u8d39\u89e3\u7684\u8fd0\u884c\u65f6\u884c\u4e3a\u3002&nbsp;<\/p>\n\n\n\n<p>\u4ed6\u9080\u8bf7\u8bfb\u8005\u5c1d\u8bd5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u5982\u679c\u60a8\u8fd8\u6ca1\u6709\u770b\u5230\u5b83\uff0c\u8bf7\u5728\u8fd9\u91cc\u505c\u4e00\u4e0b\u5e76\u4eb2\u81ea\u5c1d\u8bd5\u4e00\u4e0b &#8211; \u5f53\u60a8\u5b8c\u6210\u540e\uff0c<a href=\"https:\/\/www.kodewerk.com\/java\/performance\/2025\/10\/13\/a-solution-to-a-puzzling-performance-puzzler.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u8bf7\u67e5\u770b Kirk \u7684\u5b98\u65b9\u89e3\u51b3\u65b9\u6848<\/a>\u3002<\/p>\n\n\n\n<p>\u5f53\u6211\u770b\u5230\u5b83\u65f6\uff0c\u6211\u8ba4\u4e3a\u91cd\u65b0\u5ba1\u89c6\u4e00\u4e9b\u57fa\u7840\u77e5\u8bc6\u5c06\u662f\u4e00\u4e2a\u6709\u8da3\u7684\u7ec3\u4e60\u2014\u2014\u4f46\u6211\u8d8a\u6df1\u5165\uff0c\u6211\u5c31\u8d8a\u610f\u8bc6\u5230\u8fd9\u4e0d\u4ec5\u4ec5\u5173\u4e8e\u6027\u80fd\u3002\u8fd9\u662f\u5173\u4e8e\u6211\u4eec\u7684\u601d\u8003\u65b9\u5f0f\u3002&nbsp;<\/p>\n\n\n\n<p>\u8fd9\u8ba9\u6211\u53cd\u601d\uff0c\u4f5c\u4e3a\u5f00\u53d1\u4eba\u5458\uff0c\u6211\u4eec\u7ecf\u5e38\u65e0\u610f\u8bc6\u5730\u4ee5\u6548\u7387\u6362\u53d6\u4fbf\u5229\uff0c\u6211\u4eec\u5728\u57fa\u7840\u8bbe\u65bd\u3001\u8ba1\u7b97\u8d44\u6e90\u4e43\u81f3\u80fd\u6e90\u4e0a\u7684\u5927\u91cf\u6d6a\u8d39\uff0c\u5e76\u975e\u6e90\u4e8e\u7cdf\u7cd5\u7684\u67b6\u6784\uff0c\u800c\u662f\u6e90\u4e8e\u90a3\u4e9b\u5fae\u5c0f\u3001\u770b\u4f3c\u65e0\u5173\u7d27\u8981\u7684\u7f16\u7801\u51b3\u7b56\u3002&nbsp;<\/p>\n\n\n\n<p>\u6211\u4eec\u90fd\u559c\u6b22\u8c08\u8bba<a href=\"https:\/\/www.azul.com\/use-cases\/cloud-cost-optimization\/\">\u4e91\u6210\u672c\u4f18\u5316<\/a>\uff1a\u5982\u4f55\u901a\u8fc7\u8c03\u6574 AWS \u914d\u7f6e\u6216\u5c06\u5de5\u4f5c\u8d1f\u8f7d\u8f6c\u79fb\u5230\uff08\u6216\u4e0d\u8f6c\u79fb\uff09\u7ade\u4ef7\u5f62\u5b9e\u4f8b\u6765\u8282\u7701 30%\u300140%\uff0c\u751a\u81f3 50%\u3002\u4f46\u6211\u4eec\u5f88\u5c11\u95ee\u4e00\u4e2a\u66f4\u7b80\u5355\u7684\u95ee\u9898\uff1a<\/p>\n\n\n\n<p><em>\u5982\u679c\u6211\u4eec\u7684\u8f6f\u4ef6\u6b63\u5728\u6d6a\u8d39\u7684\u8d44\u6e90\u5df2\u7ecf\u6bd4\u5e94\u6709\u7684\u91cf\u591a\u4e86<\/em><em> 1000 <\/em><em>\u500d\uff0c\u8be5\u600e\u4e48\u529e\uff1f<\/em><em><\/em><\/p>\n\n\n\n<p>\u8fd9\u624d\u662f\u6027\u80fd\u8c03\u4f18\u7684\u771f\u6b63\u8981\u4e49\u2014\u2014\u4e0d\u5728\u4e8e\u8ffd\u9010\u6beb\u79d2\u7ea7\u7684\u63d0\u5347\uff0c\u800c\u5728\u4e8e\u53d1\u73b0\u90a3\u4e9b\u6211\u4eec\u5bf9\u4f4e\u6548\u89c6\u800c\u4e0d\u89c1\u7684\u5730\u65b9\u3002&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-\u5feb\u901f\u73b0\u5b9e\u68c0\u67e5-\u7f16\u7a0b\u8bed\u8a00\u548c\u80fd\u6e90\u6d88\u8017\">1.\u5feb\u901f\u73b0\u5b9e\u68c0\u67e5\u2014\u2014\u7f16\u7a0b\u8bed\u8a00\u548c\u80fd\u6e90\u6d88\u8017\u00a0\u00a0<\/h2>\n\n\n\n<p>A remarkable <a href=\"https:\/\/greenlab.di.uminho.pt\/wp-content\/uploads\/2017\/09\/paperSLE.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">study comparing the energy efficiency of 27 programming languages<\/a> quantified what many of us intuitively know: language choice matters \u2014 not just for speed, but for environmental impact.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u8bed\u8a00<\/strong><\/th><th><strong>\u80fd\u6e90\u4f7f\u7528\u4e0e C \u8bed\u8a00\u5bf9\u6bd4<\/strong><\/th><th><strong>\u76f8\u5bf9\u6027\u80fd<\/strong><\/th><th><strong>\u5178\u578b\u7528\u9014<\/strong><\/th><\/tr><\/thead><tbody><tr><td>C<\/td><td>1 \u500d<\/td><td>\u57fa\u51c6<\/td><td>\u5d4c\u5165\u5f0f\u7cfb\u7edf<\/td><\/tr><tr><td>C++<\/td><td>1.2 \u500d<\/td><td>\u63a5\u8fd1\u539f\u751f<\/td><td>\u9ad8\u6027\u80fd\u7cfb\u7edf<\/td><\/tr><tr><td>Java<\/td><td>\u7ea6 1.5-2 \u500d<\/td><td>JIT \u7f16\u8bd1<\/td><td>\u4f01\u4e1a\u7ea7\uff0c\u540e\u7aef<\/td><\/tr><tr><td>Python<\/td><td>\u7ea6 50 \u500d<\/td><td>\u5df2\u89e3\u91ca<\/td><td>\u811a\u672c\u3001AI\u3001ML<\/td><\/tr><tr><td>Ruby\/PHP<\/td><td>\u7ea6 40 \u500d<\/td><td>\u5df2\u89e3\u91ca<\/td><td>Web \u540e\u7aef<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u8fd9\u4e0d\u662f\u62fc\u5199\u9519\u8bef\u2014\u2014\u5bf9\u4e8e\u5b8c\u5168\u76f8\u540c\u7684\u7b97\u6cd5\uff0cPython \u7684\u80fd\u8017\u53ef\u80fd\u662f C \u7684 50 \u500d\u3002Java \u4ecb\u4e8e\u4e24\u8005\u4e4b\u95f4\u2014\u2014\u4f46\u8fd9\u53ea\u662f\u5f53\u6211\u4eec\u7f16\u5199\u9ad8\u6548\u4ee3\u7801\u65f6\u7684\u60c5\u51b5\u3002\u7f16\u5199\u4e0d\u5f53\u7684 Java \u5f88\u5bb9\u6613\u8868\u73b0\u5f97\u50cf\u4e00\u4e2a\u56e0\u5496\u5561\u56e0\u8fc7\u91cf\u800c\u5931\u63a7\u7684\u811a\u672c\u8bed\u8a00\u3002&nbsp;<\/p>\n\n\n\n<p>\u89c4\u6a21\u4f1a\u5c06\u4e00\u5207\u6210\u500d\u653e\u5927\u3002&nbsp;<\/p>\n\n\n\n<p>\u5373\u4f7f\u5728\u62e5\u6709\u9ad8\u5ea6\u5148\u8fdb\u786c\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0cGoogle \u4e5f\u901a\u8fc7\u4f18\u5316\u800c\u975e\u6269\u5c55\u5b9e\u73b0\u4e86\u5de8\u5927\u7684\u8282\u7701\u2014\u2014<a href=\"https:\/\/blog.google\/outreach-initiatives\/environment\/deepmind-ai-reduces-energy-used-for\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u501f\u52a9 DeepMind AI\uff0c\u5c06\u6570\u636e\u4e2d\u5fc3\u7684\u5236\u51b7\u80fd\u8017\u964d\u4f4e\u4e86\u6700\u9ad8 40%<\/a>\uff0c\u5e76\u5c06\u6574\u4f53\u80fd\u8017\u51cf\u5c11\u4e86\u7ea6 15%\u3002&nbsp;<\/p>\n\n\n\n<p>\u4e0d\u662f\u901a\u8fc7\u8d2d\u4e70\u66f4\u591a\u670d\u52a1\u5668\uff0c\u800c\u662f\u901a\u8fc7\u66f4\u660e\u667a\u5730\u601d\u8003\u73b0\u6709\u7cfb\u7edf\u5982\u4f55\u4f7f\u7528\u8d44\u6e90\u3002\u7136\u800c\u6211\u4eec\u4e2d\u7684\u8bb8\u591a\u4eba\u5374\u505a\u4e86\u76f8\u53cd\u7684\u4e8b\u60c5\u3002\u6211\u4eec\u4f7f\u7528\u52a8\u6001\u7684\u89e3\u91ca\u578b\u8bed\u8a00\u6784\u5efa\u5fae\u670d\u52a1\uff0c\u7136\u540e\u82b1\u8d39\u6570\u6708\u65f6\u95f4\u5fae\u8c03\u81ea\u52a8\u6269\u5c55\u89c4\u5219\uff0c\u4ee5\u4fdd\u6301\u6210\u672c\u5728\u53ef\u63a5\u53d7\u8303\u56f4\u5185\u3002\u6211\u4eec\u6a2a\u5411\u6269\u5c55\u800c\u4e0d\u662f\u7eb5\u5411\u4f18\u5316\uff0c\u6dfb\u52a0\u8282\u70b9\u800c\u4e0d\u662f\u6539\u8fdb\u903b\u8f91\u3002&nbsp;<\/p>\n\n\n\n<p>\u8fd9\u6b63\u662f\u672c\u6587\u7684\u6838\u5fc3\u2014\u2014\u901a\u8fc7\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u601d\u8003\u4ee3\u7801\uff0c\u6211\u4eec\u80fd\u591f\u5728\u6027\u80fd\uff08\u4ee5\u53ca\u6210\u672c\uff09\u65b9\u9762\u53d6\u5f97\u6bd4\u4efb\u4f55\u786c\u4ef6\u8c03\u4f18\u66f4\u663e\u8457\u7684\u63d0\u5347\u3002&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-\u7b2c\u4e00\u6b65-\u5c06\u5f02\u5e38\u4f5c\u4e3a\u903b\u8f91-nbsp\">2.\u7b2c\u4e00\u6b65\u2014\u2014\u5c06\u5f02\u5e38\u4f5c\u4e3a\u903b\u8f91&nbsp;<\/h2>\n\n\n\n<p>\u521d\u59cb\u7684\u672a\u7ecf\u4f18\u5316\u57fa\u7ebf\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p class=\"has-black-background-color has-background\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-white-color\">public static&nbsp;boolean&nbsp;checkIntegerOrg(String&nbsp;testInteger) {&nbsp;<br>&nbsp;&nbsp;&nbsp; try {&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Integer&nbsp;theInteger&nbsp;= new Integer(testInteger);&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return (theInteger.toString() != &#8220;&#8221;) &amp;&amp;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (theInteger.intValue() &gt; 10) &amp;&amp;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ((theInteger.intValue() &gt;= 2) &amp;&amp; (theInteger.intValue() &lt;= 100000)) &amp;&amp;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (theInteger.toString().charAt(0) == &#8216;3&#8217;);&nbsp;<br>&nbsp;&nbsp;&nbsp; } catch (NumberFormatException&nbsp;err) {&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; }<\/mark><br><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-white-color\">}<\/mark><\/p>\n\n\n\n<p>\u770b\u8d77\u6765\u5f88\u5408\u7406\uff0c\u5bf9\u5427\uff1f\u5982\u679c\u5b57\u7b26\u4e32\u4e0d\u662f\u6570\u5b57\uff0c\u6211\u4eec\u4f1a\u6355\u83b7\u5f02\u5e38\u5e76\u7ee7\u7eed\u8fdb\u884c\u3002\u770b\u4f3c\u7b80\u5355\uff0c&nbsp;<\/p>\n\n\n\n<p>\u4f46\u4e8b\u5b9e\u5e76\u975e\u5982\u6b64\u3002&nbsp;<\/p>\n\n\n\n<p>\u5728\u8bb8\u591a\u8f93\u5165\u4e0d\u662f\u6570\u5b57\u7684\u6570\u636e\u96c6\u4e2d\uff0c\u6b64\u4ee3\u7801\u7684\u6027\u80fd\u975e\u5e38\u7cdf\u7cd5\u3002\u6bcf\u4e2a\u65e0\u6548\u8f93\u5165\u90fd\u4f1a\u89e6\u53d1&nbsp;NumberFormatException\uff0c\u800c Java \u4e2d\u7684\u6bcf\u4e2a\u5f02\u5e38\u90fd\u4f1a\u5e26\u6765\u6c89\u91cd\u7684\u4ee3\u4ef7\u3002\u5f15\u53d1\u5f02\u5e38\u4e0e\u8fd4\u56de\u503c\u4e0d\u540c\u3002\u5b83\u4f1a\u521b\u5efa\u4e00\u4e2a\u6210\u719f\u7684\u5bf9\u8c61\uff0c\u6355\u83b7\u5806\u6808\u8ddf\u8e2a\uff0c\u5e76\u4e0e JVM \u5185\u90e8\u540c\u6b65\u3002CPU \u82b1\u5728\u8bb0\u8d26\u4e0a\u7684\u65f6\u95f4\u591a\u4e8e\u5b8c\u6210\u6709\u7528\u5de5\u4f5c\u7684\u65f6\u95f4\u3002&nbsp;<\/p>\n\n\n\n<p>\u4e00\u4f4d\u540c\u4e8b\u66fe\u7ecf\u544a\u8bc9\u6211\uff0c\u201c\u6211\u4eec\u9a8c\u8bc1\u5c42\u7684\u8fd0\u884c\u901f\u5ea6\u6162\u4e8e\u6570\u636e\u5e93\u67e5\u8be2\u3002\u201d\u5f53\u6211\u67e5\u770b\u65f6\uff0c\u6bcf\u6761\u4e0d\u826f\u8bb0\u5f55\u90fd\u4f1a\u5f15\u53d1\u5e76\u8bb0\u5f55\u5f02\u5e38\u3002\u5e94\u7528\u7a0b\u5e8f\u5e76\u975e\u53d7\u5236\u4e8e I\/O\uff0c\u800c\u662f\u53d7\u5236\u4e8e\u5f02\u5e38\u3002\u8fd9\u5c31\u662f\u8bb8\u591a\u73b0\u5b9e\u4e16\u754c\u7cfb\u7edf\u7684\u8868\u73b0\u2014\u2014\u7528\u6574\u6d01\u4ee3\u7801\u4f2a\u88c5\u7684\u9690\u5f62\u4f4e\u6548\u3002&nbsp;<\/p>\n\n\n\n<p><em>\u5c06\u5f02\u5e38\u7528\u4e8e\u903b\u8f91\uff0c\u5c31\u597d\u6bd4\u4e3a\u4e86\u786e\u8ba4\u81ea\u5df1\u662f\u5426\u6709\u8109\u640f\u800c\u53eb\u6551\u62a4\u8f66<\/em><em>\u2014\u2014<\/em><em>\u5728\u6280\u672f\u4e0a\u867d\u7136\u6b63\u786e\uff0c\u4f46\u6548\u7387\u6781\u5176\u4f4e\u4e0b\u3002<\/em><em>&nbsp;<\/em><em><\/em><\/p>\n\n\n\n<p>\u65c5\u7a0b\u7531\u6b64\u5f00\u59cb\u2014\u2014\u4e09\u4e2a\u6570\u636e\u96c6\uff0c\u6bcf\u4e00\u4e2a\u90fd\u6bd4\u524d\u4e00\u4e2a\u66f4\u6df7\u4e71\uff0c\u5305\u542b\u66f4\u591a\u4e0d\u6b63\u786e\u6216\u683c\u5f0f\u9519\u8bef\u7684\u6761\u76ee [\u56fe 1]\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1197\" height=\"415\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Kirk-Pepperdine-Optimization-Challenge-CN.png?auto=format&crop=faces,entropy&fit=max&q=80&s=bf227b41e1ab2633a4ab66512fee7321\" alt=\"\" class=\"wp-image-89412\"\/><figcaption class=\"wp-element-caption\"><strong>1\uff1a<\/strong>\u6027\u80fd\u8c03\u4f18\u4e4b\u65c5\u4ece\u4e09\u4e2a\u6570\u636e\u96c6\u5f00\u59cb\uff0c\u6bcf\u4e00\u4e2a\u90fd\u6bd4\u524d\u4e00\u4e2a\u66f4\u6df7\u4e71\u3002<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-\u5c1d\u8bd5\u4e8c-\u6b63\u5219\u8868\u8fbe\u5f0f\u9677\u9631-nbsp\">3.\u5c1d\u8bd5\u4e8c \u2013 \u6b63\u5219\u8868\u8fbe\u5f0f\u9677\u9631&nbsp;<\/h2>\n\n\n\n<p>\u6211\u51b3\u5fc3\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4e8e\u662f\u60f3\u5230\uff1a\u5728\u89e3\u6790\u4e4b\u524d\uff0c\u5148\u5bf9\u8f93\u5165\u8fdb\u884c\u9a8c\u8bc1\u3002\u5f88\u81ea\u7136\u5730\uff0c\u6211\u60f3\u5230\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n\n\n\n<p class=\"has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-1cc24ee75b1726e92a622fd8598fcde0\">public static&nbsp;boolean&nbsp;checkIntegerRegExp(String&nbsp;testInteger) {&nbsp;<br>&nbsp;&nbsp;&nbsp; try {&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (testInteger.length() &gt; 6) return false;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (!testInteger.matches(&#8220;^\\\\d{1,6}$&#8221;)) return false;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Integer&nbsp;theInteger&nbsp;=&nbsp;Integer.valueOf(testInteger);&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int&nbsp;val&nbsp;=&nbsp;theInteger.intValue();&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return (val&nbsp;&gt; 10) &amp;&amp; (val&nbsp;&lt;= 100000) &amp;&amp; (testInteger.charAt(0) == &#8216;3&#8217;);&nbsp;<br>&nbsp;&nbsp;&nbsp; } catch (NumberFormatException&nbsp;err) {&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; }&nbsp;<br>}<\/p>\n\n\n\n<p>\u5b83\u770b\u8d77\u6765\u65e2\u4f18\u96c5\u53c8\u5b89\u5168\u3002\u7ed3\u679c\u5374\u66f4\u6162\u3002\u6162\u5f97\u591a [\u56fe 2]\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1265\" height=\"525\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Kirk-Pepperdine-Optimization-Challenge-2-CN.png?auto=format&crop=faces,entropy&fit=max&q=80&s=76c3fbd476685e0ffeda0858e1719522\" alt=\"\" class=\"wp-image-89418\"\/><figcaption class=\"wp-element-caption\"><strong>\u56fe 2\uff1a<\/strong>\u5728\u89e3\u6790\u4e4b\u524d\u9a8c\u8bc1\u8f93\u5165\u770b\u8d77\u6765\u65e2\u4f18\u96c5\u53c8\u5b89\u5168\uff0c\u4f46\u4e8b\u5b9e\u8bc1\u660e\u901f\u5ea6\u6162\u5f97\u591a\u3002<\/figcaption><\/figure>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u80fd\u6210\u4e3a\u7279\u6d1b\u4f0a\u6728\u9a6c&nbsp;<\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\uff1f\u56e0\u4e3a\u6bcf\u6b21 matches() \u8fd0\u884c\u65f6\uff0c\u5b83\u90fd\u4f1a\u5728\u540e\u53f0\u542f\u52a8\u4e00\u4e2a\u5fae\u578b\u72b6\u6001\u673a\u2014\u2014\u89e3\u6790\u6a21\u5f0f\uff0c\u7f16\u8bd1\u5b83\uff0c\u521b\u5efa\u4e00\u4e2a\u5339\u914d\u5668\uff0c\u9010\u4e2a\u5b57\u7b26\u5730\u904d\u5386\u8f93\u5165\u3002\u5982\u679c\u60a8\u5728\u70ed\u8def\u5f84\u4e2d\u6267\u884c\u6b64\u64cd\u4f5c\uff08\u4f8b\u5982\u9a8c\u8bc1\u3001\u89e3\u6790\u6216\u8bf7\u6c42\u8fc7\u6ee4\uff09\uff0c\u90a3\u4e48\u60a8\u7684 CPU \u4f1a\u82b1\u8d39\u66f4\u591a\u65f6\u95f4\u6765\u89e3\u7801\u6b63\u5219\u8868\u8fbe\u5f0f\u8bed\u6cd5\uff0c\u800c\u4e0d\u662f\u68c0\u67e5\u5b9e\u9645\u5b57\u7b26\u3002&nbsp;<\/p>\n\n\n\n<p>Jeff Atwood \u65e9\u5728\u4ed6\u7684\u535a\u5ba2\u6587\u7ae0\u300a<a href=\"https:\/\/blog.codinghorror.com\/regex-performance\/\" target=\"_blank\" rel=\"noreferrer noopener\">Regex Performance<\/a>\u300b\uff08\u6b63\u5219\u8868\u8fbe\u5f0f\u6027\u80fd\uff09\u4e2d\u5c31\u5bf9\u6b64\u53d1\u51fa\u8fc7\u8b66\u544a\u3002\u4ed6\u6307\u51fa\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u5f15\u64ce\u53ef\u80fd\u4f1a\u8f7b\u677e\u5bfc\u81f4\u4e25\u91cd\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f15\u53d1\u9501\u5b9a\u6574\u4e2a\u7ebf\u7a0b\u7684\u201c\u707e\u96be\u6027\u56de\u6eaf\u201d\u3002&nbsp;<\/p>\n\n\n\n<p>\u5728\u6211\u81ea\u5df1\u7684\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u4e00\u4e2a\u65e8\u5728\u8fc7\u6ee4\u65e0\u6548 ID \u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u53d8\u6210\u4e86 CPU \u7194\u7089\u3002\u5c06\u5176\u66ff\u6362\u4e3a\u7b80\u5355\u7684\u5b57\u7b26\u5faa\u73af\u53ef\u5c06 CPU \u65f6\u95f4\u51cf\u5c11 90%\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u5f88\u65b9\u4fbf\u3002&nbsp;&nbsp;<\/p>\n\n\n\n<p><em>\u6b63\u5219\u8868\u8fbe\u5f0f\u5c31\u50cf<\/em><em> SQL <\/em><em>\u4e2d\u7684\u901a\u914d\u7b26\uff0c\u5bf9\u4e8e\u5c11\u91cf\u8bb0\u5f55\u6765\u8bf4\u6ca1\u95ee\u9898\uff0c\u4f46\u5927\u89c4\u6a21\u65f6\u5c31\u5f88\u5371\u9669\uff0c\u5728\u5b9e\u9645\u751f\u4ea7\u4ee3\u7801\u4e2d\u4f1a\u8868\u73b0\u51fa\u6570\u91cf\u7ea7\u7684\u901f\u5ea6\u51cf\u6162\u3002<\/em><em><\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-\u7b2c\u4e09\u6b65-\u8ba9-cpu-\u5598\u53e3\u6c14-nbsp\">4 \u7b2c\u4e09\u6b65 \u2013 \u8ba9 CPU \u5598\u53e3\u6c14&nbsp;<\/h2>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e9b\u66f4\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u5982\u679c\u6211\u4eec\u53ea\u4f7f\u7528 Java \u5df2\u7ecf\u63d0\u4f9b\u7684\u529f\u80fd\u2014\u2014\u6ca1\u6709\u6b63\u5219\u8868\u8fbe\u5f0f\u9b54\u6cd5\u6216\u5f02\u5e38\u9677\u9631\uff0c\u4f1a\u600e\u4e48\u6837\uff1f<\/p>\n\n\n\n<p class=\"has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-62d993b35f5ae2014a5e63fcd170fe2e\">public static&nbsp;boolean&nbsp;checkIntegerIsDigit(String&nbsp;testInteger) {&nbsp;<br>&nbsp;&nbsp;&nbsp; if (testInteger.length() &gt; 6)&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; if (testInteger.charAt(0) != &#8216;3&#8217;)&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; for (int&nbsp;i&nbsp;= 1;&nbsp;i&nbsp;&lt;&nbsp;testInteger.length();&nbsp;i++) {&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (!Character.isDigit(testInteger.charAt(i))) return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; }&nbsp;<br>&nbsp;&nbsp;&nbsp; int&nbsp;val&nbsp;=&nbsp;Integer.parseInt(testInteger);&nbsp;<br>&nbsp;&nbsp;&nbsp; return (val&nbsp;&gt; 10) &amp;&amp; (val&nbsp;&lt;= 100000);&nbsp;<br>}&nbsp;<\/p>\n\n\n\n<p>\u6027\u80fd\u7acb\u5373\u63d0\u9ad8\u4e86\u4e00\u4e2a\u6570\u91cf\u7ea7 [\u56fe 3]\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1084\" height=\"534\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Kirk-Pepperdine-Optimization-Challenge-3.png?auto=format&crop=faces,entropy&fit=max&q=80&s=17fcd685954a1483f019e4362bb57ba7\" alt=\"\" class=\"wp-image-89424\"\/><figcaption class=\"wp-element-caption\"><strong>\u56fe 3\uff1a<\/strong>\u4ec5\u4f9d\u8d56 Java \u5df2\u7ecf\u63d0\u4f9b\u7684\u529f\u80fd\uff0c\u800c\u4e0d\u4f7f\u7528\u6b63\u5219\u9b54\u6cd5\u6216\u5f02\u5e38\u9677\u9631\uff0c\u4f7f\u6027\u80fd\u63d0\u5347\u4e86\u4e00\u4e2a\u6570\u91cf\u7ea7\u3002<\/figcaption><\/figure>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\uff1f\u56e0\u4e3a CPU \u559c\u6b22\u53ef\u9884\u6d4b\u6027\u3002&nbsp;<\/p>\n\n\n\n<p>\u903b\u8f91\u5f88\u7b80\u5355\u4e14\u53ef\u9884\u6d4b\u3002\u5206\u652f\u5f88\u5bb9\u6613\u63a8\u6d4b\uff0c\u5185\u5b58\u8bbf\u95ee\u662f\u987a\u5e8f\u7684\uff0c\u5e76\u4e14\u4e0d\u5b58\u5728\u9690\u85cf\u7684\u5206\u914d\u3002\u6ca1\u6709\u5f02\u5e38\uff0c\u6ca1\u6709\u6b63\u5219\u8868\u8fbe\u5f0f\u5f15\u64ce\uff0c\u6ca1\u6709\u5bf9\u8c61\u521b\u5efa\u3002\u53ea\u662f\u5e72\u51c0\u3001\u786e\u5b9a\u6027\u7684\u5de5\u4f5c\u3002&nbsp;<\/p>\n\n\n\n<p><em>\u4e86\u89e3\u60a8\u7684\u8bed\u8a00\u5df2\u7ecf\u63d0\u4f9b\u7684\u529f\u80fd\u662f\u503c\u5f97\u7684\u3002<\/em><em>&nbsp;<\/em><em><\/em><\/p>\n\n\n\n<p>\u53e6\u4e00\u6761\u7ecf\u9a8c\u6559\u8bad\uff1a\u4e86\u89e3\u60a8\u7684\u6807\u51c6\u5e93\u3002\u8bf8\u5982 Character.isDigit() \u6216 Integer.parseInt() \u4e4b\u7c7b\u7684\u65b9\u6cd5\u5b58\u5728\u81ea\u6709\u5176\u539f\u56e0\u2014\u2014\u5b83\u4eec\u901a\u5e38\u7531\u90a3\u4e9b\u5728 JVM \u4e0a\u8017\u8d39\u591a\u5e74\u65f6\u95f4\u3001\u81f4\u529b\u4e8e\u538b\u69a8\u51fa\u6bcf\u4e00\u4e2a\u7eb3\u79d2\u6027\u80fd\u7684\u5de5\u7a0b\u5e08\u7f16\u5199\u3002\u60a8\u5e76\u4e0d\u603b\u662f\u9700\u8981\u91cd\u65b0\u53d1\u660e\u8f6e\u5b50\u3002\u6709\u65f6\uff0c\u5229\u7528\u73b0\u6709\u7684\u529f\u80fd\u4e0d\u4ec5\u66f4\u5feb\uff0c\u800c\u4e14\u66f4\u5b89\u5168\u3002&nbsp;<\/p>\n\n\n\n<p>\u867d\u7136\u5e76\u4e0d\u5b8c\u7f8e\uff0c\u4f46\u5b83\u4eec\u5bf9\u4e8e\u5927\u591a\u6570\u60c5\u51b5\u6765\u8bf4\u5df2\u7ecf\u8db3\u591f\u597d\u4e86\uff0c\u53ef\u4ee5\u8ba9\u60a8\u5feb\u901f\u521b\u5efa\u9ad8\u6027\u80fd\u3001\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u3002&nbsp;<\/p>\n\n\n\n<p>\u6b63\u5982\u4e00\u4f4d\u9ad8\u7ea7\u5de5\u7a0b\u5e08\u66fe\u7ecf\u544a\u8bc9\u6211\u7684\uff1a&nbsp;<\/p>\n\n\n\n<p><em>\u201c<\/em><em>\u597d\u7684\u4ee3\u7801\u5e76\u4e0d\u662f\u901a\u5411\u7b54\u6848\u7684\u6700\u77ed\u8def\u5f84\uff0c\u800c\u662f\u5bf9<\/em><em> CPU <\/em><em>\u548c\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u60ca\u559c\u6700\u5c11\u7684\u8def\u5f84\u3002<\/em><em>\u201d&nbsp;<\/em><em><\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-\u7b2c\u56db\u6b65-\u624b\u5de5\u6253\u9020\u7684\u7cbe\u786e\u6027-nbsp\">5.\u7b2c\u56db\u6b65\u2014\u2014\u624b\u5de5\u6253\u9020\u7684\u7cbe\u786e\u6027&nbsp;<\/h2>\n\n\n\n<p>\u4f46\u6211\u60f3\u77e5\u9053\u81ea\u5df1\u80fd\u591f\u8d70\u5230\u591a\u8fdc\u3002\u4e8e\u662f\u6211\u751a\u81f3\u53bb\u6389\u4e86\u5185\u7f6e\u51fd\u6570\uff0c\u7f16\u5199\u4e86\u81ea\u5df1\u7684\u7248\u672c\uff1a<\/p>\n\n\n\n<p class=\"has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-168de7ebe1f9bff34313b876440a7067\">public static&nbsp;boolean&nbsp;checkIntegerCustomIsDigit(String&nbsp;testInteger) {&nbsp;<br>&nbsp;&nbsp;&nbsp; if (testInteger.length() &gt; 6)&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; if (testInteger.charAt(0) != &#8216;3&#8217;)&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; for (int&nbsp;i&nbsp;= 1;&nbsp;i&nbsp;&lt;&nbsp;testInteger.length();&nbsp;i++) {&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char c =&nbsp;testInteger.charAt(i);&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (c &lt; &#8216;0&#8217; || c &gt; &#8216;9&#8217;) return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; }&nbsp;<br>&nbsp;&nbsp;&nbsp; int&nbsp;val&nbsp;=&nbsp;fastParseInt(testInteger);&nbsp;<br>&nbsp;&nbsp;&nbsp; return (val&nbsp;&gt; 10) &amp;&amp; (val&nbsp;&lt;= 100000);&nbsp;<br>}&nbsp;<br>&nbsp;&nbsp;<br>public static int&nbsp;fastParseInt(String s) {&nbsp;<br>&nbsp;&nbsp;&nbsp; int num = 0;&nbsp;<br>&nbsp;&nbsp;&nbsp; for (int&nbsp;i&nbsp;= 0;&nbsp;i&nbsp;&lt;&nbsp;s.length();&nbsp;i++)&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; num = num * 10 + (s.charAt(i) &#8211; &#8216;0&#8217;);&nbsp;<br>&nbsp;&nbsp;&nbsp; return num;&nbsp;<br>}<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u624b\u5de5\u5236\u4f5c\u7684\u7248\u672c\u7684\u8fd0\u884c\u901f\u5ea6\u5927\u7ea6\u4e3a Character.isDigit() \u7684 2 \u500d\u3002\u4e3a\u4ec0\u4e48\uff1f\u6ca1\u6709\u65b9\u6cd5\u8c03\u7528\uff0c\u6ca1\u6709 Unicode \u5f00\u9500\uff0c\u6ca1\u6709\u65e0\u5173\u7684\u68c0\u67e5 [\u56fe 4]\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1252\" height=\"660\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Kirk-Pepperdine-Optimization-Challenge-4.png?auto=format&crop=faces,entropy&fit=max&q=80&s=2706102d1b4d484093fcb65c040988e4\" alt=\"\" class=\"wp-image-89430\"\/><figcaption class=\"wp-element-caption\"><strong>\u56fe 4\uff1a<\/strong>\u4e00\u4e2a\u624b\u5de5\u5236\u4f5c\u7684\u7248\u672c\u751a\u81f3\u53bb\u6389\u4e86\u5185\u7f6e\u51fd\u6570\uff0c\u5176\u901f\u5ea6\u5927\u7ea6\u4e3a Character.isDigit() \u7684 2 \u500d\u3002<\/figcaption><\/figure>\n\n\n\n<p>\u4f46\u8fd9\u79cd\u6539\u8fdb\u662f\u6709\u4ee3\u4ef7\u7684\u3002\u8fd9\u6bb5\u4ee3\u7801\u7684\u901a\u7528\u6027\u8f83\u5dee\uff0c\u524d\u77bb\u6027\u4e0d\u8db3\uff0c\u5e76\u4e14\u5728\u53ef\u8bfb\u6027\u4e0a\u7a0d\u663e\u6b20\u7f3a\u3002\u6211\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4e5f\u89c1\u8fc7\u7c7b\u4f3c\u7684\u6a21\u5f0f\u3002\u5728\u67d0\u4e2a\u4f4e\u5ef6\u8fdf\u7684\u91d1\u878d\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u5728\u5173\u952e\u8def\u5f84\u4e0a\u66ff\u6362\u4e86 Integer.parseInt()\uff0c\u8be5\u8def\u5f84\u6bcf\u79d2\u9700\u8981\u5904\u7406\u6570\u767e\u4e07\u6761\u6d88\u606f\u3002\u6bcf\u767e\u4e07\u6761\u6d88\u606f\u7684\u589e\u76ca\u4e3a 300 \u6beb\u79d2\u3002\u5728\u5355\u72ec\u4f7f\u7528\u65f6\u5fae\u4e0d\u8db3\u9053\uff0c\u4f46\u5728\u5168\u7403\u89c4\u6a21\u4e0b\u5374\u5177\u6709\u53d8\u9769\u6027\u3002&nbsp;<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u7cbe\u786e\u4e0e\u6267\u5ff5\u4e4b\u95f4\u4ecd\u7136\u5b58\u5728\u5fae\u5999\u7684\u754c\u9650\u3002\u6709\u65f6\uff0c\u6700\u4f18\u5316\u7684\u4ee3\u7801\u4e5f\u662f\u6700\u96be\u7ef4\u62a4\u7684\u3002\u4f18\u5316\u5e94\u5f53\u670d\u52a1\u4e8e\u7cfb\u7edf\uff0c\u800c\u4e0d\u662f\u670d\u52a1\u4e8e\u4e2a\u4eba\u7684\u81ea\u8d1f\u3002&nbsp;<\/p>\n\n\n\n<p>\u8fd9\u79cd\u7a0b\u5ea6\u7684\u4f18\u5316\u5728\u4f55\u65f6\u624d\u6709\u610f\u4e49\uff1f&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u70ed\u8def\u5f84\uff1a<\/strong>\u89e3\u6790\u6570\u767e\u4e07\u6761\u8bb0\u5f55\u3001\u7f51\u7edc\u9a8c\u8bc1\u6216\u6570\u636e\u63d0\u53d6\u3002\u00a0<\/li>\n\n\n\n<li><strong>\u5df2\u77e5\u9650\u5236\uff1a<\/strong>ASCII \u6570\u5b57\uff0c\u56fa\u5b9a\u957f\u5ea6\u3002\u00a0<\/li>\n\n\n\n<li><strong>\u5728\u5927\u89c4\u6a21\u7cfb\u7edf\u4e2d\uff1a<\/strong>\u5fae\u5c0f\u7684\u4f4e\u6548\u4f1a\u88ab\u65e0\u9650\u653e\u5927\u3002\u00a0<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u4e0d\u8fc7\uff0c\u8fd9\u79cd\u4f18\u5316\u662f\u6709\u4ee3\u4ef7\u7684\uff1a\u66f4\u590d\u6742\uff0c\u901a\u7528\u6027\u66f4\u4f4e\u3002\u5e94\u5f53\u6709\u610f\u8bc6\u5730\u4f7f\u7528\u5b83\u4eec\uff0c\u800c\u4e0d\u662f\u4e60\u60ef\u6027\u5730\u4f9d\u8d56\u3002\u00a0<\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-6-\u7b2c\u4e94\u6b65-\u66f4\u5feb\u5730\u5931\u8d25-\u66f4\u806a\u660e\u5730\u601d\u8003-nbsp\">6.\u7b2c\u4e94\u6b65\u2014\u2014\u66f4\u5feb\u5730\u5931\u8d25\uff0c\u66f4\u806a\u660e\u5730\u601d\u8003&nbsp;<\/h2>\n\n\n\n<p>\u6700\u7ec8\uff0c\u6211\u6784\u5efa\u4e86\u4e00\u4e2a\u5feb\u901f\u5931\u8d25\u7684\u7248\u672c\uff0c\u9996\u5148\u68c0\u67e5\u6700\u7b80\u5355\u7684\u6761\u4ef6\uff0c\u5e76\u8df3\u8fc7\u4e0d\u5fc5\u8981\u7684\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p class=\"has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-ffbec76967c273b267dd538fbf7cd272\">public static&nbsp;boolean&nbsp;checkIntegerFinal(String&nbsp;testInteger) {&nbsp;<br>&nbsp;&nbsp;&nbsp; if (testInteger.length() &gt; 5 ||&nbsp;testInteger.length() &lt; 2)&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; if (testInteger.charAt(0) != &#8216;3&#8217;)&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; for (int&nbsp;i&nbsp;= 1;&nbsp;i&nbsp;&lt;&nbsp;testInteger.length();&nbsp;i++) {&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; char c =&nbsp;testInteger.charAt(i);&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (c &lt; &#8216;0&#8217; || c &gt; &#8216;9&#8217;) return false;&nbsp;<br>&nbsp;&nbsp;&nbsp; }&nbsp;<br>&nbsp;&nbsp;&nbsp; return true;&nbsp;<br>}<\/p>\n\n\n\n<p>\u8be5\u7248\u672c\u7684\u6027\u80fd\u53ef\u8fbe\u539f\u59cb\u7248\u672c\u7684 10 \u500d\u5230 50 \u500d\uff0c\u51e0\u4e4e\u4e0e Kirk \u81ea\u5df1\u5c55\u5f00\u7684 switch-case \u53d8\u4f53\uff08\u5728\u56fe 5 \u4e2d\u6807\u8bb0\u4e3a\u201c\u6700\u4f73\u201d\uff09\u76f8\u5f53\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1283\" height=\"825\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Kirk-Pepperdine-Optimization-Challenge-5.png?auto=format&crop=faces,entropy&fit=max&q=80&s=cd443894f7c6f52a0ffe93e5944500ec\" alt=\"\" class=\"wp-image-89436\"\/><figcaption class=\"wp-element-caption\"><strong>\u56fe 5.<\/strong>\u8be5\u7248\u672c\u901a\u8fc7\u5feb\u901f\u5931\u8d25\u3001\u4f18\u5148\u68c0\u67e5\u6700\u7b80\u5355\u7684\u6761\u4ef6\u5e76\u8df3\u8fc7\u4e0d\u5fc5\u8981\u7684\u5de5\u4f5c\uff0c\u5176\u6027\u80fd\u53ef\u8fbe\u539f\u59cb\u7248\u672c\u7684 10 \u500d\u5230 50 \u500d\u3002<\/figcaption><\/figure>\n\n\n\n<p>\u5728\u90a3\u4e00\u523b\uff0c\u6211\u610f\u8bc6\u5230\u4e86\u4e00\u70b9\uff1a\u4f18\u5316\u7684\u8fc7\u7a0b\u672c\u8eab\u6240\u5e26\u6765\u7684\u542f\u793a\uff0c\u5f80\u5f80\u6bd4\u6700\u7ec8\u7ed3\u679c\u66f4\u4e3a\u6df1\u523b\u3002\u6bcf\u4e00\u6b65\uff08\u5f02\u5e38\u5220\u9664\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u66ff\u6362\u3001\u5faa\u73af\u7b80\u5316\uff09\u90fd\u5265\u53bb\u4e86\u5c42\u5c42\u6d6a\u8d39\u3002\u7ed3\u679c\u4e0d\u4ec5\u4ec5\u662f\u66f4\u5feb\u7684\u4ee3\u7801\uff0c\u800c\u662f\u66f4\u6e05\u6670\u7684\u601d\u7ef4\u65b9\u5f0f\u3002\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-7-\u6548\u7387\u7ecf\u6d4e\u5b66\">7.\u6548\u7387\u7ecf\u6d4e\u5b66\u00a0<\/h2>\n\n\n\n<p>\u4e91\u8ba1\u7b97\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u65e0\u9650\u7684\u53ef\u6269\u5c55\u6027\uff0c\u4e5f\u5e26\u6765\u4e86\u5ffd\u89c6\u6d6a\u8d39\u7684\u65e0\u9650\u8bf1\u60d1\u3002\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u4eec\u901a\u8fc7\u589e\u52a0\u786c\u4ef6\u6765\u89e3\u51b3\u95ee\u9898\u3002\u00a0\u00a0<\/li>\n\n\n\n<li>\u6211\u4eec\u9009\u62e9\u81ea\u52a8\u6269\u7f29\uff0c\u800c\u4e0d\u662f\u8fdb\u884c\u6df1\u5165\u5206\u6790\u3002\u00a0\u00a0<\/li>\n\n\n\n<li>\u6211\u4eec\u201c\u76d1\u63a7\u201d\u4f4e\u6548\u7387\uff0c\u800c\u4e0d\u662f\u5c06\u5176\u6d88\u9664\u3002\u00a0<\/li>\n<\/ul>\n\n\n\n<p>\u4f46\u4f4e\u6548\u7387\u5e76\u4e0d\u4f1a\u5728\u4e91\u4e2d\u6d88\u5931\uff0c\u53cd\u800c\u4f1a\u6210\u500d\u589e\u52a0\u3002\u6bcf\u4e2a\u989d\u5916\u7684 CPU \u5468\u671f\u90fd\u4f1a\u5728\u6570\u5341\u4e2a\u533a\u57df\u7684\u6570\u5343\u53f0\u673a\u5668\u4e0a\u8fd0\u884c\u3002&nbsp;<\/p>\n\n\n\n<p>\u6211\u4eec\u6a2a\u5411\u6269\u5c55\u800c\u4e0d\u662f\u4f18\u5316\u3002\u6211\u4eec\u9009\u62e9\u201c\u81ea\u52a8\u4fee\u590d\u201d\uff0c\u800c\u4e0d\u662f\u771f\u6b63\u7406\u89e3\u95ee\u9898\u3002\u6211\u4eec\u4f9d\u8d56\u66f4\u5927\u7684\u673a\u5668\u800c\u4e0d\u662f\u66f4\u597d\u7684\u4ee3\u7801\u3002&nbsp;<\/p>\n\n\n\n<p>\u964d\u4f4e\u4e91\u6210\u672c\u7684\u6700\u7b80\u5355\u7684\u73b0\u5b9e\u65b9\u6cd5\u4e4b\u4e00\u4e0d\u662f\u91cd\u5199\u4ee3\u7801\uff0c\u800c\u662f\u5728\u66f4\u597d\u7684\u8fd0\u884c\u65f6\u4e0a\u8fd0\u884c\u5b83\u3002\u4ee5\u5927\u578b Kafka \u90e8\u7f72\u4e3a\u4f8b\u3002\u5728 Azul \u81ea\u5df1\u7684\u57fa\u51c6\u6d4b\u8bd5\u4e2d\uff0c\u4e0e\u539f\u751f OpenJDK \u76f8\u6bd4\uff0c\u5728\u76f8\u540c\u7684 P99 \u5ef6\u8fdf SLA \u4e0b\uff0c<a href=\"https:\/\/www.azul.com\/zh-hans\/blog\/apache-kafka-performance-on-azul-platform-prime-vs-vanilla-openjdk\/\">Azul Platform Prime \u4e0a\u7684 Apache Kafka \u7684\u6700\u5927\u541e\u5410\u91cf\u9ad8\u51fa\u7ea6 45%<\/a>\uff0c\u53ef\u7528\u5bb9\u91cf\u9ad8\u51fa\u7ea6 30%\u3002\u5982\u679c\u4fdd\u6301\u76f8\u540c\u7684\u5de5\u4f5c\u8d1f\u8f7d\u548c SLA\uff0c\u8fd9\u4e00\u6027\u80fd\u4f59\u91cf\u610f\u5473\u7740\u5b8c\u6210\u76f8\u540c\u5de5\u4f5c\u6240\u9700\u7684\u4ee3\u7406\u6570\u91cf\u51cf\u5c11\u7ea6 30\u201340%\uff0c\u56e0\u6b64 Kafka \u57fa\u7840\u8bbe\u65bd\u6210\u672c\uff08\u8ba1\u7b97\u3001\u5b58\u50a8\u3001\u7f51\u7edc\u548c\u8fd0\u8425\u5f00\u9500\uff09\u4e5f\u76f8\u5e94\u964d\u4f4e 30\u201340%\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4ec5\u4ec5\u5207\u6362 JVM \u5c31\u80fd\u5e26\u6765\u90a3\u79cd\u8282\u7701\u6548\u679c\uff0c\u800c\u8fd9\u901a\u5e38\u662f\u5927\u591a\u6570\u56e2\u961f\u9700\u8981\u82b1\u8d39\u6570\u6708\uff0c\u901a\u8fc7\u5b9e\u4f8b\u8c03\u4f18\u548c\u9884\u7559\u5bb9\u91cf\u8c08\u5224\u624d\u80fd\u5b9e\u73b0\u7684\u3002&nbsp;<\/p>\n\n\n\n<p>\u88ab Facebook \u6536\u8d2d\u540e\uff0c<a href=\"https:\/\/www.wired.com\/2015\/09\/whatsapp-serves-900-million-users-50-engineers\/\" target=\"_blank\" rel=\"noreferrer noopener\">WhatsApp \u4ec5\u7528 35 \u540d\u5de5\u7a0b\u5e08\u5c31\u4e3a\u8d85\u8fc7 4.5 \u4ebf\u7528\u6237\u63d0\u4f9b\u670d\u52a1<\/a>\u3002\u8fd9\u4e0d\u662f\u9b54\u6cd5\uff0c\u800c\u662f\u5de5\u7a0b\u4e0a\u7684\u81ea\u5f8b\u3001\u5bf9\u6548\u7387\u7684\u6267\u7740\uff0c\u4ee5\u53ca\u4e3a\u5e76\u53d1\u4f18\u5316\u7684\u8fd0\u884c\u65f6\u3002&nbsp;<\/p>\n\n\n\n<p>\u6548\u7387\u6269\u5c55\u7684\u662f\u4eba\u5458\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u670d\u52a1\u5668\u3002&nbsp;<\/p>\n\n\n\n<p><em>\u6210\u672c\u6700\u4f4e\u7684\u4f18\u5316\u662f\u5728\u90e8\u7f72\u4e4b\u524d\u5b8c\u6210\u7684\u4f18\u5316\u3002<\/em><em>&nbsp;<\/em><em><\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u9690\u6027\u7684\u80fd\u6e90\u8d26\u5355\">\u9690\u6027\u7684\u80fd\u6e90\u8d26\u5355\u00a0<\/h2>\n\n\n\n<p>\u8ba1\u7b97\u5373\u80fd\u6e90\u3002\u4f4e\u6548\u7684\u8f6f\u4ef6\u4f1a\u5728\u65e0\u58f0\u4e2d\u589e\u52a0\u78b3\u8db3\u8ff9\u3002&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u7ecf\u8fc7\u4f18\u5316\u7684\u4ee3\u7801\u4e0d\u4ec5\u6210\u672c\u66f4\u4f4e\uff0c\u4e5f\u66f4\u73af\u4fdd\u3002\u4e91\u6548\u7387\u548c\u53ef\u6301\u7eed\u6027\u59cb\u4e8e\u952e\u76d8\uff0c\u800c\u4e0d\u662f\u8d26\u5355\u9762\u677f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-8-\u827a\u672f-\u800c\u975e\u7b97\u6cd5\">8.\u827a\u672f\uff0c\u800c\u975e\u7b97\u6cd5\u00a0<\/h2>\n\n\n\n<p>\u6027\u80fd\u8c03\u4f18\u4e0e\u5176\u8bf4\u662f\u8bed\u6cd5\u95ee\u9898\uff0c\u4e0d\u5982\u8bf4\u662f\u5de5\u827a\u95ee\u9898\u3002\u8fd9\u5173\u4e4e\u597d\u5947\u5fc3\u3001\u5bf9\u7ec6\u8282\u7684\u5173\u6ce8\uff0c\u4ee5\u53ca\u5bf9\u673a\u5668\u7684\u5c0a\u91cd\u3002\u8fd9\u5173\u4e4e\u4e8e\u53d1\u73b0\u7cbe\u786e\u4e4b\u7f8e\u4e0e\u52a8\u4f5c\u7b80\u7ea6\u4e4b\u7f8e\u3002&nbsp;<\/p>\n\n\n\n<p>\u4e00\u6bb5\u8c03\u4f18\u5f97\u5f53\u7684\u51fd\u6570\uff0c\u5c31\u50cf\u4e00\u9996\u4ff3\u53e5\uff1a\u7b80\u6d01\u3001\u5e73\u8861\u3001\u8868\u610f\u660e\u786e\u3002&nbsp;<\/p>\n\n\n\n<p><em>\u771f\u6b63\u7684\u6027\u80fd\u4f18\u5316\u5de5\u4f5c\uff0c\u4e0d\u5728\u4e8e\u8282\u7701\u6beb\u79d2\u7ea7\u65f6\u95f4\uff0c\u800c\u5728\u4e8e\u7f16\u5199\u4ee3\u7801\u65f6\u7684\u5ba1\u614e\u601d\u8003\u3002<\/em><em>&nbsp;<\/em><em><\/em><\/p>\n\n\n\n<p>Knuth \u64b0\u5199\u4e86\u300aThe Art of Computer Programming\u300b\uff08\u8ba1\u7b97\u673a\u7a0b\u5e8f\u8bbe\u8ba1\u827a\u672f\uff09\uff0c\u800c\u4e0d\u662f\u300aThe Science of Computer Programming\u300b\uff08\u8ba1\u7b97\u673a\u7a0b\u5e8f\u8bbe\u8ba1\u79d1\u5b66\uff09\uff0c\u8fd9\u662f\u6709\u539f\u56e0\u7684\uff1a\u79d1\u5b66\u754c\u5b9a\u4e86\u54ea\u4e9b\u4e8b\u53ef\u80fd\u5b9e\u73b0\uff0c\u800c\u827a\u672f\u5219\u51b3\u5b9a\u4e86\u54ea\u4e9b\u4e8b\u503c\u5f97\u53bb\u505a\u3002&nbsp;<\/p>\n\n\n\n<p>\u6bcf\u9879\u4f18\u5316\u90fd\u4f1a\u4ea7\u751f\u6210\u672c\u3002\u5173\u952e\u5728\u4e8e\u77e5\u9053\u54ea\u4e9b\u6210\u672c\u503c\u5f97\u4ed8\u51fa\u3002&nbsp;.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-9-\u7ed3\u8bed-\u4ee3\u7801\u5982\u5de5\u827a\">9.\u7ed3\u8bed\u2014\u2014\u4ee3\u7801\u5982\u5de5\u827a\u00a0<\/h2>\n\n\n\n<p>\u6211\u7684\u6700\u7ec8\u5b9e\u73b0\u5e76\u4e0d\u5b8c\u7f8e\u3002Kirk \u7684\u5b9e\u73b0\u4ecd\u7136\u5feb\u4e86\u4e00\u70b9\u3002\u4f46\u8fd9\u4e0d\u662f\u91cd\u70b9\u3002\u5173\u952e\u5728\u4e8e\uff0c\u8f6f\u4ef6\u7684\u6d6a\u8d39\u5728\u88ab\u5ea6\u91cf\u4e4b\u524d\u662f\u4e0d\u53ef\u89c1\u7684\u3002\u6211\u4eec\u5df2\u7ecf\u5c06\u4f4e\u6548\u5e38\u6001\u5316\uff0c\u56e0\u4e3a\u4e91\u8ba1\u7b97\u7528\u5f39\u6027\u5c06\u5176\u63a9\u76d6\u3002\u6211\u4eec\u79f0\u4e4b\u4e3a\u201c\u5f39\u6027\u201d\uff0c\u4f46\u5b83\u5f80\u5f80\u53ea\u662f\u8fc7\u5ea6\u914d\u7f6e\u3002&nbsp;<\/p>\n\n\n\n<p>\u4e00\u4f4d\u5bfc\u5e08\u66fe\u7ecf\u544a\u8bc9\u6211\uff0c&nbsp;<\/p>\n\n\n\n<p><em>\u201c<\/em><em>\u5982\u679c\u4f60\u80fd\u7528\u94b1\u89e3\u51b3\u6027\u80fd\u95ee\u9898\uff0c\u90a3\u4e48\u95ee\u9898\u5e76\u6ca1\u6709\u5f97\u5230\u89e3\u51b3<\/em><em>\u2014\u2014<\/em><em>\u800c\u662f\u88ab\u63a8\u8fdf\u4e86\u3002<\/em><em>\u201d&nbsp;<\/em><em><\/em><\/p>\n\n\n\n<p>\u4ed6\u662f\u5bf9\u7684\u3002\u5982\u679c\u60a8\u7684\u4ee3\u7801\u6d6a\u8d39\u4e86 1000 \u500d\u7684\u8d44\u6e90\uff0c\u90a3\u4e48\u8282\u7701 30% \u7684\u4e91\u8d26\u5355\u5e76\u6ca1\u6709\u591a\u5927\u610f\u4e49\u3002\u4f18\u5316\u5e76\u4e0d\u4e3a\u65f6\u8fc7\u65e9\uff0c\u800c\u662f\u6709\u610f\u4e3a\u4e4b\u3002&nbsp;<\/p>\n\n\n\n<p>\u5173\u952e\u4e0d\u5728\u4e8e\u5b8c\u7f8e\uff0c\u800c\u5728\u4e8e\u89c9\u5bdf\u3002\u6240\u4ee5\u4e0b\u6b21\u90e8\u7f72\u670d\u52a1\u65f6\uff0c\u95ee\u95ee\u81ea\u5df1\uff1a&nbsp;sk yourself:\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u6bb5\u4ee3\u7801\u4e2d\u6709\u591a\u5c11\u771f\u6b63\u9700\u8981\u8fd0\u884c\uff1f\u00a0<\/li>\n\n\n\n<li>\u591a\u4e45\u8fd0\u884c\u4e00\u6b21\uff1f\u00a0<\/li>\n\n\n\n<li>\u6210\u672c\u662f\u591a\u5c11\u2014\u2014CPU\u3001\u5185\u5b58\u8fd8\u662f\u80fd\u6e90\uff1f\u00a0<\/li>\n<\/ul>\n\n\n\n<p>\u5f52\u6839\u7ed3\u5e95\uff0c\u6027\u80fd\u8c03\u4f18\u4e0d\u4ec5\u662f\u6280\u672f\u95ee\u9898\uff0c\u66f4\u662f\u4f26\u7406\u95ee\u9898\u3002\u5173\u952e\u5728\u4e8e\u4ee5\u5c0a\u91cd\u7684\u6001\u5ea6\u4f7f\u7528\u8d44\u6e90\u2014\u2014\u4e3a\u4e86\u60a8\u7684\u7528\u6237\u3001\u60a8\u7684\u516c\u53f8\uff0c\u4ee5\u53ca\u6574\u4e2a\u5730\u7403\u3002&nbsp;<\/p>\n\n\n\n<p>\u6027\u80fd\u8c03\u4f18\u7684\u827a\u672f\u5728\u4e8e\u8ba4\u8bc6\u5230\uff1a\u6548\u7387\u5373\u4f18\u96c5\u3002<\/p>\n\n\n\n\n\n<section    class=\"c-cta-band c-cta-band--color-light c-cta-band--mt-xl c-cta-band--mb-lg c-cta-band--pt-default c-cta-band--pb-default c-cta-band--color-1 o-component o-component--color-light o-component--mt-xl o-component--mb-lg o-component--pt-default o-component--pb-default\"\n\n            id=\"block_fad25f0d9bff53d50b8f450d2c2f0f0b\"\n    \n    >\n    \n    <div class=\"o-component__wrap\">\n                    <div class=\"o-container\">\n        \n<div class=\"c-cta-band__wrap c-cta-band__wrap--shadow c-cta-band__wrap--bg-white\" id=\"c-cta-band__wrap--block_fad25f0d9bff53d50b8f450d2c2f0f0b\">\n            \n    <span class=\"o-picture o-picture--background o-picture--cover o-picture--no-radius\">\n\n<picture>\n                        \n            \n            <source\n                media=\"(max-width: 425px)\"\n                srcset=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=362&#038;s=1152b3ee14b096ed4b1d3769b93f3f56 1x, https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=724&#038;s=bb8439ddf7f3ce578c8b206acb5ad323 2x\"\n            >\n                    \n            \n            <source\n                media=\"(max-width: 767px)\"\n                srcset=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=704&#038;s=a135e13b7488a6cc40bb2890fb197d47 1x, https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=1408&#038;s=02af5d26a70181f15b7d61afe0a6be73 2x\"\n            >\n                    \n            \n            <source\n                media=\"(max-width: 1023px)\"\n                srcset=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=960&#038;s=4b794a2b8a02b05bb8a2d03a71232564 1x, https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=1920&#038;s=7bcfb4abe29b7e5304662134fc031a6f 2x\"\n            >\n                    \n            \n            <source\n                media=\"(max-width: 1440px)\"\n                srcset=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=1120&#038;s=51ecea875cb065f8be8d45f71c13be7c 1x, https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=2240&#038;s=94780b06caa00250a4cb2f7fa3ee7382 2x\"\n            >\n            \n    <img alt=\"Teal CTA Band\" class=\"o-picture__image\" height=\"228\" loading=\"lazy\" onerror=\"this.onerror=null;this.srcset=&quot;https:\/\/www.azul.com\/wp-content\/uploads\/Teal-CTA-Band.jpg&quot;;while(this.parentNode.getElementsByTagName(&quot;source&quot;).length){this.parentNode.getElementsByTagName(&quot;source&quot;)[0].remove();}\" onload=\"if (this.parentNode.previousElementSibling) this.parentNode.previousElementSibling.remove()\" srcset=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=1120&#038;s=51ecea875cb065f8be8d45f71c13be7c 1x, https:\/\/azul.imgix.net\/wp-content\/uploads\/Teal-CTA-Band.jpg?auto=format&#038;crop=faces,entropy&#038;fit=max&#038;q=80&#038;w=2240&#038;s=94780b06caa00250a4cb2f7fa3ee7382 2x\" width=\"1120\">\n<\/picture>\n\n\n    <\/span>\n    \n    <div class=\"c-cta-band__content\">\n        <div class=\"c-cta-band__text\" id=\"c-cta-band__text--block_fad25f0d9bff53d50b8f450d2c2f0f0b\">\n                            \n<h2  class=\"c-cta-band__headline o-headline o-headline--h2 s-medium\"\n    >\n  High-Performance Java Platform<\/h2>\n            \n                    <\/div>\n\n                    <div class=\"c-cta-band__cta\">\n                \n<a  class=\"c-cta-band__cta-btn o-button o-button--navy-900 o-button--white-solid\"\n\n  data-cta-band-modal-id=\"cta-band-form-modal-block_fad25f0d9bff53d50b8f450d2c2f0f0b\" href='https:\/\/www.azul.com\/products\/prime' target=''\n  >\n  \n  \n  <span class=\"o-button__label\">Learn More<\/span>\n\n  \n  <\/a>\n            <\/div>\n        \n            <\/div>\n<\/div>\n\n\n          <\/div>\n      <\/div>\n<\/section>\n\n<style>\n            #block_fad25f0d9bff53d50b8f450d2c2f0f0b,\n        #block_fad25f0d9bff53d50b8f450d2c2f0f0b input::placeholder {\n            color: light;\n        }\n    <\/style>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53 Kirk Pepperdine \u8981\u6c42\u5f00\u53d1\u4eba\u5458\u89e3\u51b3\u6d89\u53ca Java \u4ee3\u7801\u7247\u6bb5\u7684\u6027\u80fd\u6311\u6218\u65f6\uff0cAzul \u9996\u5e2d\u9500\u552e\u5de5\u7a0b\u5e08 Daniel Witkowski \u5c1d\u8bd5\u89e3\u51b3\u8be5\u95ee\u9898\u3002\u4ed6\u53d1\u73b0\uff0c\u6311\u6218\u4e0e\u5176\u8bf4\u5728\u4e8e\u6027\u80fd\uff0c\u4e0d\u5982\u8bf4\u5728\u4e8e\u6211\u4eec\u7684\u601d\u7ef4\u65b9\u5f0f\uff0c\u56e0\u4e3a\u8f6f\u4ef6\u6d6a\u8d39\u5728\u672a\u88ab\u5ea6\u91cf\u4e4b\u524d\u662f\u4e0d\u53ef\u89c1\u7684\u3002 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