{"id":10020690,"date":"2025-03-30T22:24:03","date_gmt":"2025-03-30T14:24:03","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020690"},"modified":"2025-03-30T22:24:03","modified_gmt":"2025-03-30T14:24:03","slug":"%e7%a4%be%e6%8b%9b-java-%e4%b8%ad%e5%8e%82%e9%9d%a2%e8%af%95%e8%ae%b0%e5%bd%95%ef%bc%8c%e9%9a%be%e5%ba%a6%e6%9c%89%e7%82%b9%e5%a4%a7%ef%bc%81","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020690","title":{"rendered":"\u793e\u62db Java \u4e2d\u5382\u9762\u8bd5\u8bb0\u5f55\uff0c\u96be\u5ea6\u6709\u70b9\u5927\uff01"},"content":{"rendered":"<p><strong>\u4e2a\u4eba\u60c5\u51b5<\/strong>\uff1a\u793e\u62db\u4e00\u5e74\u534a<\/p>\n<p><strong>\u9762\u8bd5\u516c\u53f8<\/strong>\uff1a\u4e0a\u6d77\u6d77\u9f0e\u4fe1\u606f\u548c\u6df1\u5733\u5c0f\u8d62\u79d1\u6280<\/p>\n<p><strong>\u9762\u8bd5\u611f\u53d7<\/strong>\uff1a\u603b\u4f53\u96be\u5ea6\u8fd8\u662f\u6709\u70b9\u5927\u7684\uff0c\u7b2c\u4e8c\u5bb6\u516c\u53f8\u62f7\u6253\u7684\u95ee\u9898\u975e\u5e38\u975e\u5e38\u591a\uff0c\u4e00\u5171 60 \u4e2a\u95ee\u9898\uff0c\u591a\u5c11\u6709\u70b9\u79bb\u8c31\u513f\u3002\u4e0d\u8fc7\uff0c\u9762\u8bd5\u4f53\u9a8c\u5f88\u597d\uff0c\u9762\u8bd5\u5b98\u4f1a\u5f15\u5bfc\u5f80\u54ea\u4e2a\u65b9\u5411\u601d\u8003\u3002<\/p>\n<h2>\u4e00\u9762<\/h2>\n<ul>\n<li>\u8bf7\u505a\u4e00\u4e0b\u81ea\u6211\u4ecb\u7ecd\u3002<\/li>\n<li>\u8bf7\u4ecb\u7ecd\u4e00\u4e0b\u4f60\u53c2\u4e0e\u8fc7\u7684\u9879\u76ee\u3002<\/li>\n<li>\u8bf7\u89e3\u91ca\u4e00\u4e0b\u63a5\u53e3\uff08Interface\uff09\u548c\u62bd\u8c61\u7c7b\uff08Abstract Class\uff09\u7684\u533a\u522b\u3002<\/li>\n<li>\u4ec0\u4e48\u662f\u53d7\u68c0\u5f02\u5e38\uff08Checked Exception\uff09\u548c\u975e\u53d7\u68c0\u5f02\u5e38\uff08Unchecked Exception\uff09\uff1f<\/li>\n<li>\u8bf7\u6bd4\u8f83 String\u3001StringBuffer \u548c StringBuilder \u7684\u533a\u522b\u3002<\/li>\n<li>\u8bf7\u5217\u4e3e Object \u7c7b\u4e2d\u7684\u5e38\u7528\u65b9\u6cd5\u3002<\/li>\n<li>HashTable \u548c ConcurrentHashMap \u662f\u5982\u4f55\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u7684\uff1f\u5b83\u4eec\u7684\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>\u6b7b\u9501\u4ea7\u751f\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u907f\u514d\u6b7b\u9501\uff1f<\/li>\n<li>\u8bf7\u8c08\u8c08 Java \u4e2d\u7684\u9501\u673a\u5236\uff08\u4f8b\u5982 synchronized, ReentrantLock \u7b49\uff09\u3002<\/li>\n<li>\u8bf7\u89e3\u91ca\u4e00\u4e0b\u6570\u636e\u5e93\u7684\u884c\u7ea7\u9501\u3002<\/li>\n<li>\u4ec0\u4e48\u662f\u7ebf\u7a0b\uff1f\u8bf7\u4ecb\u7ecd\u4e00\u4e0b Java \u4e2d\u7684\u591a\u7ebf\u7a0b\u3002<\/li>\n<li>\u4ecb\u7ecd\u4e00\u4e0b Java \u7684\u7ebf\u7a0b\u6c60\uff0c\u5305\u62ec\u6838\u5fc3\u53c2\u6570\u548c\u5e38\u89c1\u7684\u62d2\u7edd\u7b56\u7565\u3002<\/li>\n<li>\u8bf7\u63cf\u8ff0 JVM \u7684\u5185\u5b58\u533a\u57df\u5212\u5206\uff08\u54ea\u4e9b\u662f\u7ebf\u7a0b\u79c1\u6709\uff0c\u54ea\u4e9b\u662f\u5171\u4eab\uff09\uff1fJDK 1.7 \u548c 1.8 \u5728\u8fd9\u65b9\u9762\u6709\u4ec0\u4e48\u4e3b\u8981\u533a\u522b\uff08\u6bd4\u5982\u65b9\u6cd5\u533a\/\u5143\u7a7a\u95f4\uff09\uff1f<\/li>\n<li>\u8bf7\u63cf\u8ff0\u4e00\u6b21\u5178\u578b\u7684\u5783\u573e\u56de\u6536\uff08GC\uff09\u6d41\u7a0b\u3002<\/li>\n<li>\u4f60\u4e86\u89e3\u54ea\u4e9b JVM \u7684\u6838\u5fc3\u914d\u7f6e\u53c2\u6570\uff1f\u4ec0\u4e48\u662f OOM (OutOfMemoryError)\uff1f<\/li>\n<li>\u4ec0\u4e48\u662f\u6570\u636e\u5e93\u4e8b\u52a1\uff1f\u4ec0\u4e48\u662f\u5206\u5e03\u5f0f\u4e8b\u52a1\uff1f\u4f60\u5728\u5de5\u4f5c\u4e2d\u6709\u5b9e\u9645\u4f7f\u7528\u8fc7\u5206\u5e03\u5f0f\u4e8b\u52a1\u5417\uff1f<\/li>\n<li>\u4f60\u901a\u5e38\u5982\u4f55\u8fdb\u884c SQL \u8c03\u4f18\uff1f<\/li>\n<li>\u8fdb\u884c\u63a5\u53e3\u5bf9\u63a5\u65f6\uff0c\u4f60\u4f1a\u9075\u5faa\u54ea\u4e9b\u8bbe\u8ba1\u539f\u5219\uff1f<\/li>\n<li>\u5982\u679c\u4e00\u4e2a\u63a5\u53e3\u8bbf\u95ee\u5f88\u6162\uff0c\u4f60\u4f1a\u5982\u4f55\u6392\u67e5\u95ee\u9898\uff1f<\/li>\n<li>\u8bf7\u89e3\u91ca\u4e00\u4e0b Spring Boot \u7684\u81ea\u52a8\u88c5\u914d\u539f\u7406\u3002<\/li>\n<li>\u5982\u4f55\u8bbe\u8ba1\u65b9\u6848\u6765\u4fdd\u8bc1\u5e93\u5b58\u5728\u9ad8\u5e76\u53d1\u4e0b\u4e0d\u4f1a\u8d85\u5356\uff08\u8d85\u6263\uff09\uff1f\u5982\u4f55\u5904\u7406\u5e76\u53d1\u7684\u51fa\u5e93\u548c\u5165\u5e93\uff1f<\/li>\n<li>\u5982\u679c\u7ebf\u4e0a\u7cfb\u7edf\u53d1\u751f\u5361\u987f\u751a\u81f3\u5bfc\u81f4\u670d\u52a1\u91cd\u542f\uff0c\u4f60\u4f1a\u5982\u4f55\u5206\u6790\u539f\u56e0\uff1f<\/li>\n<\/ul>\n<p><strong>\u53c2\u8003\u7b54\u6848<\/strong>\uff1a\u4e0a\u9762\u7edd\u5927\u90e8\u5206\u9762\u8bd5\u95ee\u9898\u7684\u7b54\u6848\uff0c\u90fd\u53ef\u4ee5\u5728 <strong><a href=\"https:\/\/link.segmentfault.com\/?enc=lgQe3Zzs9XNLRXV%2BEA7jvw%3D%3D.IvDNrSrsJnxfI53IRHI92flwDdB8jgHmUNofh22A4aI%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">JavaGuide<\/a><\/strong> \u548c <strong><a href=\"https:\/\/link.segmentfault.com\/?enc=cou0N%2BkIT9LCXVxehD1RDQ%3D%3D.WNoX6EGHLkAGUHyor%2FSlsJxJTXYPIPyk%2BrtC4K0oSh7XFJC1CqYFmxLGisDtWTGm1Brkd1VCFJEtPhNb31kysg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u300aJava \u9762\u8bd5\u6307\u5317\u300b<\/a><\/strong> \u4e2d\u627e\u5230\u3002<\/p>\n<h2>\u4e00\u9762 \uff08\u53e6\u4e00\u573a\uff09<\/h2>\n<ol>\n<li>\u8bf7\u505a\u4e00\u4e0b\u81ea\u6211\u4ecb\u7ecd\u3002<\/li>\n<li>Redisson \u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u539f\u7406\u662f\u4ec0\u4e48\uff1f\u5b83\u662f\u5982\u4f55\u652f\u6301\u53ef\u91cd\u5165\u7684\uff1f<\/li>\n<li>\u4f7f\u7528 Redisson \u5206\u5e03\u5f0f\u9501\u65f6\uff0c\u672a\u80fd\u83b7\u53d6\u9501\u7684\u7ebf\u7a0b\u4f1a\u963b\u585e\uff0c\u5b83\u4eec\u662f\u5982\u4f55\u88ab\u5524\u9192\u7684\uff1f<\/li>\n<li>\uff08\u9488\u5bf9\u4e0a\u9898\uff09\u4f7f\u7528\u5b9a\u65f6\u4efb\u52a1\u8f6e\u8be2\u6765\u5c1d\u8bd5\u5524\u9192\u8fd9\u4e9b\u963b\u585e\u7684\u7ebf\u7a0b\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u884c\u5417\uff1f\u4e3a\u4ec0\u4e48\uff1f<\/li>\n<li>\u52a8\u6001\u591a\u6570\u636e\u6e90\u5207\u6362\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f\u5176\u57fa\u672c\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>\u8bf7\u8c08\u8c08 ThreadLocal \u7684\u7279\u6027\u548c\u4f5c\u7528\u3002<\/li>\n<li>ThreadLocal \u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u5417\uff1f\u4e3a\u4ec0\u4e48\uff1f\u5982\u4f55\u907f\u514d\uff1f<\/li>\n<li>\u8bf7\u89e3\u91ca\u4e00\u4e0b\u6a21\u677f\u65b9\u6cd5\u8bbe\u8ba1\u6a21\u5f0f\u53ca\u5176\u4e3b\u8981\u4f7f\u7528\u573a\u666f\u3002<\/li>\n<li>\u5728 Java \u4e2d\uff0c\u4f60\u6700\u5e38\u4f7f\u7528\u54ea\u4e9b\u96c6\u5408\u7c7b\uff1f<\/li>\n<li>ArrayList \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u5417\uff1f\u6709\u54ea\u4e9b\u7ebf\u7a0b\u5b89\u5168\u7684 List \u5b9e\u73b0\uff1f<\/li>\n<li>CopyOnWriteArrayList \u662f\u901a\u8fc7\u52a0\u9501\u5b9e\u73b0\u7684\u5417\uff1f\u5b83\u7684\u539f\u7406\u662f\u4ec0\u4e48\uff1f\u9664\u4e86\u5b83\u8fd8\u6709\u5176\u4ed6\u7684\u7ebf\u7a0b\u5b89\u5168 List \u5417\uff08\u5982 Vector, Collections.synchronizedList\uff09\uff1f<\/li>\n<li>\u8bf7\u63cf\u8ff0 HashMap \u7684\u5e95\u5c42\u6570\u636e\u7ed3\u6784\uff08JDK 1.7 \u548c 1.8+\uff09\u3002<\/li>\n<li>\u6570\u7ec4\u548c\u94fe\u8868\u7684\u4e3b\u8981\u533a\u522b\u3001\u5404\u81ea\u7279\u70b9\u4ee5\u53ca\u9002\u7528\u573a\u666f\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>\u5982\u679c HashMap \u4e2d\u53d1\u751f\u4e86\u5927\u91cf\u7684\u54c8\u5e0c\u51b2\u7a81\uff0c\u53ef\u80fd\u7684\u539f\u56e0\u6709\u54ea\u4e9b\uff1f<\/li>\n<li>HashMap \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u5417\uff1f\u8bf7\u4e3e\u4f8b\u8bf4\u660e\u5b83\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u53ef\u80fd\u51fa\u73b0\u7684\u95ee\u9898\uff08\u5982 JDK 1.7 \u7684\u6b7b\u5faa\u73af\uff0cJDK 1.8 \u7684\u6570\u636e\u8986\u76d6\uff09\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u7ebf\u7a0b\u5b89\u5168\u7684 Map\uff0c\u6709\u54ea\u4e9b\u9009\u62e9\uff08\u5982 ConcurrentHashMap, Hashtable, Collections.synchronizedMap\uff09\uff1f<\/li>\n<li>ConcurrentHashMap \u662f\u5982\u4f55\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u7684\uff08\u5206\u6bb5\u9501\/CAS + Synchronized\uff09\uff1f<\/li>\n<li>\u8bf7\u89e3\u91ca\u4e00\u4e0b CAS\uff08Compare-and-Swap\uff09\u64cd\u4f5c\u7684\u539f\u7406\u3002<\/li>\n<li>CAS \u64cd\u4f5c\u4e2d\u7684 ABA \u95ee\u9898\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\uff08\u4f8b\u5982\u4f7f\u7528\u7248\u672c\u53f7\uff09\uff1f<\/li>\n<li>\u7ebf\u7a0b\u6c60\u4e3b\u8981\u7528\u4e8e\u54ea\u4e9b\u573a\u666f\uff1f\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528\u7ebf\u7a0b\u6c60\uff1f\u5b83\u7684\u4f18\u70b9\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>\u7ebf\u7a0b\u6c60\u4e2d\u7684\u963b\u585e\u961f\u5217\uff08BlockingQueue\uff09\u8d77\u4ec0\u4e48\u4f5c\u7528\uff1f\u6709\u54ea\u4e9b\u5e38\u7528\u7684\u963b\u585e\u961f\u5217\u7c7b\u578b\uff1f<\/li>\n<li>\u8bf7\u6bd4\u8f83 synchronized \u548c ReentrantLock \u7684\u4e3b\u8981\u533a\u522b\u3002<\/li>\n<li>\u8bf7\u89e3\u91ca\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u548c\u9762\u5411\u8fc7\u7a0b\u7f16\u7a0b\uff08POP\uff09\u7684\u533a\u522b\u3002<\/li>\n<li>\u4f60\u4e86\u89e3\u51fd\u6570\u5f0f\u7f16\u7a0b\u5417\uff1f\u5b83\u6709\u54ea\u4e9b\u4e3b\u8981\u7279\u6027\uff1f\u8fd9\u4e9b\u7279\u6027\u4e0e\u5e76\u53d1\u7f16\u7a0b\u548c\u7ebf\u7a0b\u5b89\u5168\u6709\u4ec0\u4e48\u5173\u7cfb\uff08\u4f8b\u5982\u4e0d\u53ef\u53d8\u6027\uff09\uff1f<\/li>\n<li>\u5982\u4f55\u6392\u67e5 OOM (OutOfMemoryError) \u95ee\u9898\uff1f<\/li>\n<li>\u9664\u4e86\u5806\u5185\u5b58 OOM\uff0c\u6808\u5185\u5b58\u4f1a\u53d1\u751f OOM\uff08\u66f4\u51c6\u786e\u5730\u8bf4\u662f StackOverflowError\uff09\u5417\uff1f\u4ec0\u4e48\u6837\u7684\u4ee3\u7801\u53ef\u80fd\u5bfc\u81f4\u6808\u6ea2\u51fa\uff1f<\/li>\n<li>\u8bf7\u63cf\u8ff0 Spring \u4e2d Bean \u7684\u5b8c\u6574\u751f\u547d\u5468\u671f\u3002<\/li>\n<li>\u4f60\u4e86\u89e3 Spring \u7684\u4e8b\u52a1\u7ba1\u7406\u5417\uff1f\u54ea\u4e9b\u573a\u666f\u4e0b Spring \u4e8b\u52a1\u4f1a\u5931\u6548\uff1f\u5982\u679c\u60f3\u8ba9\u540c\u4e00\u4e2a\u7c7b\u4e2d\u65b9\u6cd5\u5185\u90e8\u8c03\u7528\u4e5f\u5e94\u7528\u4e8b\u52a1\uff0c\u8be5\u5982\u4f55\u5904\u7406\uff1f<\/li>\n<li>\u5982\u679c\u8ba9\u4f60\u5c01\u88c5\u4e00\u4e2a\u65e5\u5fd7\u7ec4\u4ef6\uff0c\u7528\u4e8e\u81ea\u52a8\u6253\u5370\u63a5\u53e3\u7684\u8bf7\u6c42\u53c2\u6570\u3001\u54cd\u5e94\u7ed3\u679c\u548c\u6267\u884c\u65f6\u95f4\uff0c\u4f60\u4f1a\u5982\u4f55\u8bbe\u8ba1\uff1f<\/li>\n<li>\u5982\u679c\u9700\u8981\u5728\u7cfb\u7edf\u4e2d\u52a0\u5165\u9650\u6d41\u548c\u7194\u65ad\u529f\u80fd\uff0c\u4f60\u4f1a\u8003\u8651\u4f7f\u7528\u54ea\u4e9b\u6280\u672f\uff08\u5982 Sentinel, Resilience4j\uff09\uff1f\u8bf7\u5177\u4f53\u63cf\u8ff0\u4e00\u4e0b\u5b9e\u73b0\u601d\u8def\u3002<\/li>\n<li>\u4f60\u662f\u5982\u4f55\u7406\u89e3\u201c\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\u201d\u7684\uff1f\u5b83\u6709\u4ec0\u4e48\u597d\u5904\uff1f<\/li>\n<li>MySQL \u7d22\u5f15\uff08\u4f8b\u5982 B+ \u6811\u7d22\u5f15\uff09\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>B \u6811\u548c B+ \u6811\u7684\u4e3b\u8981\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u4e3a\u4ec0\u4e48 MySQL \u9009\u62e9 B+ \u6811\uff1f<\/li>\n<li>\u5982\u679c\u9700\u8981\u4e3a a \u548c b \u4e24\u4e2a\u5b57\u6bb5\u521b\u5efa\u8054\u5408\u7d22\u5f15\uff0c\u5e94\u8be5\u521b\u5efa <code>(a, b)<\/code> \u8fd8\u662f <code>(b, a)<\/code>\uff1f\u4f9d\u636e\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>\u8bf7\u5217\u4e3e\u4e00\u4e9b\u5e38\u89c1\u7684\u5bfc\u81f4 MySQL \u7d22\u5f15\u5931\u6548\u7684\u573a\u666f\u3002<\/li>\n<li>\u4e3a\u4ec0\u4e48\u5305\u542b\u5927\u91cf NULL \u503c\u7684\u5217\u4e0a\u5efa\u7acb\u7d22\u5f15\u6548\u679c\u53ef\u80fd\u4e0d\u597d\u6216\u201c\u5931\u6548\u201d\uff1f\uff08\u6ce8\u610f\uff1aMySQL \u5bf9 NULL \u503c\u7d22\u5f15\u5df2\u6709\u4f18\u5316\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u7248\u672c\u548c\u573a\u666f\uff09<\/li>\n<li><code>SELECT *<\/code> \u548c <code>SELECT &lt;\u7d22\u5f15\u5b57\u6bb5&gt;<\/code> \u5728\u4f7f\u7528\u7d22\u5f15\u65b9\u9762\u6709\u4ec0\u4e48\u533a\u522b\uff08\u4f8b\u5982\u8986\u76d6\u7d22\u5f15\uff09\uff1f<\/li>\n<li>\u5982\u4f55\u4e3a\u4e00\u4e2a\u5f88\u957f\u7684\u5b57\u7b26\u4e32\u5b57\u6bb5\uff08\u5982 URL\uff09\u5728\u5927\u6570\u636e\u91cf\u8868\u4e2d\u521b\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\uff08\u4f8b\u5982\u524d\u7f00\u7d22\u5f15\uff09\uff1f<\/li>\n<li>\uff08\u9488\u5bf9\u4e0a\u9898\uff09\u9664\u4e86\u4f7f\u7528\u524d\u7f00\u7d22\u5f15\uff0c\u8fd8\u6709\u6ca1\u6709\u5176\u4ed6\u9700\u8981\u589e\u52a0\u5b57\u6bb5\u7684\u65b9\u5f0f\u6765\u4f18\u5316\u957f\u5b57\u7b26\u4e32\u7d22\u5f15\uff08\u4f8b\u5982\u4f7f\u7528 HASH \u7d22\u5f15\u6216\u5c06 URL \u7279\u5f81\u63d0\u53d6\u5230\u65b0\u5b57\u6bb5\uff09\uff1f<\/li>\n<li>\u4e3a\u4ec0\u4e48\u901a\u5e38\u63a8\u8350\u4f7f\u7528\u81ea\u589e ID \u4f5c\u4e3a MySQL \u8868\u7684\u4e3b\u952e\uff1f<\/li>\n<li>\u8bf7\u4ecb\u7ecd\u4e00\u4e0b\u6570\u636e\u5e93\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\u3002<\/li>\n<li>MySQL \u662f\u5982\u4f55\u5b9e\u73b0\u201c\u8bfb\u5df2\u63d0\u4ea4\u201d\uff08Read Committed\uff09\u548c\u201c\u53ef\u91cd\u590d\u8bfb\u201d\uff08Repeatable Read\uff09\u9694\u79bb\u7ea7\u522b\u7684\uff08\u4f8b\u5982\u901a\u8fc7 MVCC\uff09\uff1f<\/li>\n<li>\u8bf7\u7b80\u8981\u89e3\u91ca\u4e00\u4e0b MVCC\uff08\u591a\u7248\u672c\u5e76\u53d1\u63a7\u5236\uff09\u7684\u539f\u7406\u3002<\/li>\n<li>\u9664\u4e86\u7d22\u5f15\u4f18\u5316\uff0c\u8fd8\u6709\u54ea\u4e9b\u5e38\u89c1\u7684 SQL \u6162\u67e5\u8be2\u4f18\u5316\u65b9\u6cd5\uff1f<\/li>\n<li>Redis \u4e3a\u4ec0\u4e48\u91c7\u7528\u5355\u7ebf\u7a0b\u6a21\u578b\uff1f\u5b83\u5355\u7ebf\u7a0b\u4e3a\u4ec0\u4e48\u8fd8\u80fd\u8fd9\u4e48\u5feb\uff1f<\/li>\n<li>\u4ec0\u4e48\u662f\u7f13\u5b58\u96ea\u5d29\uff1f\u5982\u4f55\u89e3\u51b3\uff1f<\/li>\n<li>\u4ec0\u4e48\u662f\u7f13\u5b58\u7a7f\u900f\uff1f\u5982\u4f55\u89e3\u51b3\uff1f<\/li>\n<li>\u8bf7\u4ecb\u7ecd\u4e00\u4e0b\u5e03\u9686\u8fc7\u6ee4\u5668\uff08Bloom Filter\uff09\u7684\u539f\u7406\u548c\u5e94\u7528\u573a\u666f\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u7edf\u8ba1\u7f51\u7ad9\u641c\u7d22\u67d0\u5173\u952e\u8bcd\u7684\u7528\u6237\u6570\u91cf\uff08UV\uff09\uff0c\u4e14\u5141\u8bb8\u4e00\u5b9a\u8bef\u5dee\uff0c\u4f60\u4f1a\u4f7f\u7528\u4ec0\u4e48\u6280\u672f\uff08\u4f8b\u5982 HyperLogLog\uff09\uff1f<\/li>\n<li>HyperLogLog \u7684\u5e95\u5c42\u539f\u7406\u5927\u81f4\u662f\u600e\u6837\u7684\uff1f\u5b83\u7684\u5185\u5b58\u5360\u7528\u60c5\u51b5\u5982\u4f55\uff1f<\/li>\n<li>\u8bbe\u8ba1\u4e00\u4e2a\u652f\u4ed8\u63a5\u53e3\u65f6\uff0c\u5982\u4f55\u4fdd\u8bc1\u5176\u5e42\u7b49\u6027\uff1f<\/li>\n<li>\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u5982\u4f55\u5728\u4e0d\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u7684\u60c5\u51b5\u4e0b\u4fdd\u8bc1\u652f\u4ed8\u63a5\u53e3\u7684\u5e42\u7b49\u6027\uff08\u4f8b\u5982\u4f7f\u7528\u552f\u4e00\u8bf7\u6c42 ID + \u72b6\u6001\u673a\/\u53bb\u91cd\u8868\uff09\uff1f<\/li>\n<li>\u8bf7\u63cf\u8ff0\u4e00\u4e0b\u4f7f\u7528\u4e50\u89c2\u9501\uff08\u4f8b\u5982\u57fa\u4e8e\u7248\u672c\u53f7\uff09\u7684\u57fa\u672c\u6d41\u7a0b\u3002<\/li>\n<li>\u8bf7\u518d\u6b21\u4ecb\u7ecd\u4e00\u4e0b\u4f60\u7684\u9879\u76ee\u53ca\u5176\u7cfb\u7edf\u67b6\u6784\u3002<\/li>\n<li>\u5982\u679c\u5c06\u4e00\u4e2a\u5355\u4f53\u5e94\u7528\u6539\u9020\u4e3a\u5fae\u670d\u52a1\u67b6\u6784\uff0c\u4e3b\u8981\u9700\u8981\u8003\u8651\u54ea\u4e9b\u65b9\u9762\uff1f\u670d\u52a1\u95f4\u7684\u8c03\u7528\u901a\u5e38\u5982\u4f55\u5b9e\u73b0\uff1f\u63cf\u8ff0\u4e00\u4e0b\u524d\u7aef\u8bf7\u6c42\u5230\u8fbe\u540e\u7aef\u5fae\u670d\u52a1\u7684\u5178\u578b\u6d41\u7a0b\u3002<\/li>\n<li>Nginx \u5e38\u7528\u7684\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u6709\u54ea\u4e9b\uff1f\u5982\u679c\u540e\u7aef\u67d0\u4e2a\u670d\u52a1\u8282\u70b9\u6545\u969c\uff0cNginx \u662f\u5982\u4f55\u611f\u77e5\u5e76\u5904\u7406\u7684\uff08\u5065\u5eb7\u68c0\u67e5\uff09\uff1f<\/li>\n<li>\u5982\u679c\u8ba9\u4f60\u4e3a\u4e00\u4e2a\u7cfb\u7edf\u8bbe\u8ba1\u76d1\u63a7\u4f53\u7cfb\uff0c\u4f60\u4f1a\u5173\u6ce8\u54ea\u4e9b\u5173\u952e\u6307\u6807\uff1f\u76d1\u63a7\u7cfb\u7edf\u901a\u5e38\u5982\u4f55\u91c7\u96c6\u8fd9\u4e9b\u6570\u636e\uff1f<\/li>\n<li>\u5728\u5de5\u4f5c\u4e4b\u5916\uff0c\u4f60\u5b66\u4e60\u6216\u4e86\u89e3\u5230\u7684\u6bd4\u8f83\u6709\u6311\u6218\u6027\u7684\u6280\u672f\u95ee\u9898\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>\uff08\u5982\u679c\u9002\u7528\uff09\u4f60\u8ba4\u4e3a\u4ece\u4f20\u7edf\u4f01\u4e1a\u80cc\u666f\u5982\u4f55\u5feb\u901f\u9002\u5e94\u4e92\u8054\u7f51\u516c\u53f8\u7684\u5de5\u4f5c\u8282\u594f\u548c\u6587\u5316\uff1f<\/li>\n<li>\u4f60\u5bf9\u5f53\u524d\u4eba\u5de5\u667a\u80fd\uff08AI\uff09\u7684\u53d1\u5c55\u6709\u4ec0\u4e48\u770b\u6cd5\uff1f\u5b83\u5bf9\u8f6f\u4ef6\u5f00\u53d1\u53ef\u80fd\u5e26\u6765\u54ea\u4e9b\u5f71\u54cd\uff1f<\/li>\n<\/ol>\n<h2>\u4e8c\u9762<\/h2>\n<ul>\n<li>\u5982\u679c\u8ba9\u4f60\u6307\u5bfc\u4e00\u4f4d\u65b0\u4eba\u6392\u67e5\u7ebf\u4e0a\u63a5\u53e3\u54cd\u5e94\u6162\u7684\u95ee\u9898\uff0c\u4f60\u4f1a\u5efa\u8bae\u4ed6\u4ece\u54ea\u4e9b\u65b9\u9762\u5165\u624b\uff1f\u5982\u4f55\u5206\u6790\u548c\u8fdb\u884c SQL \u8c03\u4f18\uff1f<\/li>\n<li>\u4e3a\u4ec0\u4e48\u9009\u62e9\u4f7f\u7528 Spring Boot\uff1f\u5047\u8bbe\u4e00\u4e2a\u516c\u53f8\u5b98\u7f51\u4f7f\u7528 Spring Boot\uff0c\u4f60\u8ba4\u4e3a\u4e3b\u8981\u539f\u56e0\u53ef\u80fd\u662f\u4ec0\u4e48\uff1f\u76f8\u6bd4 PHP\u3001Python \u7b49\u6280\u672f\u6808\uff0c\u5b83\u6709\u54ea\u4e9b\u4f18\u52bf\u6216\u8003\u91cf\uff1f<\/li>\n<li>&#8230;<\/li>\n<\/ul>\n<p><strong>\u53c2\u8003\u7b54\u6848<\/strong>\uff1a\u4e0a\u9762\u7edd\u5927\u90e8\u5206\u9762\u8bd5\u95ee\u9898\u7684\u7b54\u6848\uff0c\u90fd\u53ef\u4ee5\u5728 <strong><a href=\"https:\/\/link.segmentfault.com\/?enc=%2FeKoJYKmbub3q%2FTuYegTgw%3D%3D.MUzqtqTnqEqGG20B7ADAwQliquhNI%2Fy1eBch0%2F7FTJU%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">JavaGuide<\/a><\/strong> \u548c <strong><a href=\"https:\/\/link.segmentfault.com\/?enc=DYfRueX9EBu6mPyYJzDi9Q%3D%3D.yuFbKiK9UrZc33Mte0%2BxkSGeTqrVlxEWNNwGeUMl2%2Bj1g6xuPX7vEOxnW955P0Ym3hkSOYtrFLuIXlwn6EJAJA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u300aJava \u9762\u8bd5\u6307\u5317\u300b<\/a><\/strong> \u4e2d\u627e\u5230\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000046399642\">https:\/\/segmentfault.com\/a\/1190000046399642<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e2a\u4eba\u60c5\u51b5\uff1a\u793e\u62db\u4e00\u5e74\u534a \u9762\u8bd5\u516c\u53f8\uff1a\u4e0a\u6d77\u6d77\u9f0e\u4fe1\u606f\u548c\u6df1\u5733\u5c0f\u8d62\u79d1\u6280 \u9762\u8bd5\u611f\u53d7\uff1a\u603b\u4f53\u96be\u5ea6\u8fd8\u662f\u6709\u70b9\u5927\u7684\uff0c\u7b2c\u4e8c\u5bb6\u516c\u53f8\u62f7\u6253\u7684\u95ee [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020690","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020690"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020690\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}