异常

public class Tran {
    static int avg(int number1,int number2) throws MyException{
        if(number1<0||number2<0){
            throw new MyException("不可以使用负数");
        }
        if(number1>100||number2>100){
            throw new MyException("数值太大了");
        }
        return (number1+number2)/2;
    }
    public static void main(String[] args){
        try{
            int result=avg(-3,1);
            System.out.println(result);
        }catch(MyException e){
            System.out.println(e);
        }
    }
}