supersubcatch.java

来自「Java面向对象编程(随书配套源代码) 阐述了面向对象编程的思想」· Java 代码 · 共 22 行

package chapter9;

class SuperSubCatch
{
    public static void main(String args[])
    {
        try
        {
            int a = 0;
            int b = 42 / a;
        }
        catch(Exception e)
        {
            System.out.println("Generic Exception catch.");
        }
        catch(ArithmeticException e)
        { 
            // ERROR – unreachable. ArithmeticException: subclass of Exception.
            System.out.println("This is never reached.");
        }
    }
}