package com.netty.demo.ThreadHook;

public class DemoHook {

    public static void main(String args[]){
      //出现异常时执行以下代码。
        Runtime.getRuntime().addShutdownHook(new Thread(()->{
            for (int i = 0; i < 150; i++) {
                 if(i == 20){
                     throw  new RuntimeException(); 
                 }
            }
        }));

              Thread thread = new Thread(()->{
                  for (int i = 0; i < 100; i++) {
                      System.out.println("thread：-----》"+i);
                             if(i == 50){
                               //抛出Runtime Exception异常
                                 throw  new RuntimeException(); 
                             }
                  }
              }) ;
          thread.start();
    }

}