单例线程池

/**
* <br>
* do what you want to do and never stop it.
* <br>
*/
package com.luch.thread;

import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;


public class SingleThreadExecutorDemo implements Runnable{

/**
* @param args
*/
public static void main(String[] args) {
SingleThreadExecutorDemo demo = new SingleThreadExecutorDemo();
ExecutorService  exec =  Executors.newSingleThreadExecutor();
exec.execute(demo);

}

public void run() {
int temp = 0;
int i = 0;
while(true){
int j = new Random().nextInt(100);
System.out.println("temp="+ temp + ",j=" + j + ",i=" + i++ );
try {
if(temp==0 && j > 90){
temp = j/0;
}
Thread.sleep(100);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
temp = 0;
}

}

}

}