}
int Divide(int a,int b)throws ArithmeticException,DivisorIsMinusException...{if(b<0)...{
throw new DivisorIsMinusException("Divisor cannot be minus!");}return a/b;}
}
class MyChildException extends MyException...{MyChildException()throws FileNotFoundException,DivisorIsMinusException...{ //而子类MyChildException的构造方法抛出FileNotFoundException,DivisorIsMinusException两个异常类}int Divide(int a,int b)throws ArithmeticException,DivisorIsMinusException...{return a
