【每日日报】第二十八天---1 8.5上机练习

1 8.5上机练习

package BaoCuo;

public class ZiDingYi {
    public static void main(String[] args){
        ZiDingYi z=new ZiDingYi();
        try{
            z.add(3,2);
        }catch(MyException e){
            e.printStackTrace();
        }
    }
  private void add(int a,int b) throws MyException{
      if(a==b){
          throw new MyException("输入两个数相等");
      }
      if(a!=b){
          throw new MyException();
      }
  }
}

class MyException extends Exception{
    public MyException(String msg){
        super(msg);
    }
    public MyException(){
        super();
    }
    public MyException(String message,Throwable cause){
        super(message,cause);
    }
    public MyException(Throwable cause){
        super(cause);
    }
}

 

 

2 没遇到什么问题

3 明天继续看书