nestedtry.java

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

package chapter9;

class NestedTry
{
    public static void main(String args[])
    {
        try
        {
            int a = args.length;
            int b = 42 / a;
            System.out.println("a = " + a);
            try
            {
                if(a==1)
                    a = a/(a-a); // 被0除
                if(a==2)
                {
                    int c[] = { 1 };
                    c[42] = 99; // 越界异常
                }
            }
            catch(ArrayIndexOutOfBoundsException e)
            {
                System.out.println("Array index out-of-bounds: " + e);
            }
        }
        catch(ArithmeticException e)
        {
            System.out.println("Divide by 0: " + e);
        }
    }
}