java学习——异常处理机制

public class ExceptionDemo2 {

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        int i=0;

        int a[]={1,2,3,4};

        for( i = 0; i<5; i++)

        {

            try

            {

                System.out.print("a[" + i + "]/"+ "=" + (a[i]/i));

            }

            catch(ArrayIndexOutOfBoundsException e)

            {

                System.out.print("捕获数组下标越界");

            }

            catch(ArithmeticException e)

            {

                System.out.print("捕获算术异常");

            }

            finally

            {

                System.out.print("finally i=" + i);

            }

            System.out.println("继续！");

        }

    }

}

public class ThrowsDemo {

    public static void throwOne() throws IllegalAccessException{

        System.out.println("inside throwOne.");

        throw new IllegalAccessException("ThrowsDemo");

    }

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        try

        {

            throwOne();

        }

        catch(IllegalAccessException e)

        {

            System.out.println("Caught" + e);

        }

    }

}