异常

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class Test
{
public int devide(int x,int y) throws ArithmeticException,DevideByMinueException
{
  if(y<0)
   throw new DevideByMinueException("除数为"+y);
  int result = x/y;
  return result;
}
}
class DevideByMinueException extends Exception
{
public DevideByMinueException(String msg)
{
  super(msg);
}
}
class SubTest extends Test
{
public int devide(int x,int y) throws ArithmeticException//此处只能抛出父类中存在的异常
{
  if(y<0)
   throw new ArithmeticException("除数为"+y);
  int result = x/y;
  return result;
}
}
class TestException
{
public static void main(String args[])
{
   try
   {
    new Test().devide(3,0);
   }catch(ArithmeticException ex)
   {
    System.out.println(" ArithmeticException");
    ex.printStackTrace();

   }catch(DevideByMinueException ex)
   {
    System.out.println(" DevideByMinueException");
    ex.printStackTrace();
   }
   catch(Exception ex)//Exception 语句不能放在其他异常语句之前
   {
    ex.printStackTrace();
    System.exit(0);
   }
   finally
   {
    System.out.println("finally");
   }
}
}