java开发中几种常见的线程池

java.util.concurrent:Class Executors

几种常用的的生成线程池的方法：

• newCachedThreadPool
• newFixedThreadPool
• newScheduledThreadPool
• newSingleThreadExecutor
• newSingleThreadScheduledExecutor

例子：newFixedThreadPool

ExecutorService threadPool = Executors.newFixedThreadPool(3);
for(int i=0;i