excep11.java

该原代码为＜Java编程基础、应用与实例＞的附盘代码

class MyException extends Exception{
  MyException(String ErrorMessage){
     super(ErrorMessage);
  }
}
public class Excep11{
  static int avg(int a, int b) throws MyException{
  	if(a<0 || b<0) throw new MyException("澜荐 救 凳");
    else if(a>100 || b>100)throw new MyException("呈公 怒");
    return (a+b)/2;
  }
  public static void main(String[] args){
    try{
      System.out.println(avg(-10,20)); 
    }catch(MyException e){
      System.out.println(e);
    }
  }
}