myexceptiondemo.java

软通公司培训的课件和习题里面有答案。。。

package com.servern.java;

class MyException extends Exception {
	
	private int idCode ;
	public MyException(String msg,int id){
		super(msg);
		this.idCode = id ;
	}
	public int getIdCode() {
		return idCode;
	}
}


public class MyExceptionDemo{
	public double devide(int x,int y)throws MyException{
		if(y<0){
			throw new MyException("被除数为负数",-1);
		}
		return x/y;
	}
	
	public static void main(String[] args){
		MyExceptionDemo t = new MyExceptionDemo();
		try {
			t.devide(10, -3);
		} catch (MyException e) {
			e.printStackTrace();
		}
	}
}