java多线程之捕获异常

package com.eshroe.sweetop.concurrency;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import java.util.concurrent.ThreadFactory;//产生异常class ExceptionThread implements Runnable {public void run() {Thread t=Thread.currentThread();System.out.println("run() by "+t);System.out.println("eh = "+t.getUncaughtExceptionHandler());throw new RuntimeException();}}//跟踪异常class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler{public void uncaughtException(Thread t, Throwable e) {System.out.println("caught "+e);}}//设置异常跟踪的线程工厂class HandlerThreadFactory implements ThreadFactory{public Thread newThread(Runnable r) {System.out.println(this + " creating new Thread");Thread t=new Thread(r);System.out.println("created "+t);t.setUncaughtExceptionHandler(new MyUncaughtExceptionHandler());System.out.println("eh = "+t.getUncaughtExceptionHandler());return t;}}public class CaptureUncaughtException {public static void main(String[] args) {ExecutorService exec=Executors.newCachedThreadPool(new HandlerThreadFactory());exec.execute(new ExceptionThread());}}