util.concurrent Java并发开发包

util.cocurret是一个Java语言的并发开发包，示例代码：

publicclassExecutor{   privatestaticLoggerlogger=Logger.getLogger(Executor.class);   privatestaticPooledExecutorexecutor=ewPooledExecutor(5);      static{      executor.setMiimumPoolSize(2);      executor.setMaximumPoolSize(10);      executor.setKeepAliveTime(1000*60*10);   }      publicstaticvoidexecute(Ruableruable){      try{         executor.execute(ruable);      }      catch(Exceptioe){         logger.error("Exceptiowhileruigtask:"+e,e);      }   }}