java 异常练习题2

package exception;

public class TestException {

    public static void main(String[] args) {
        // TODO 自动生成的方法存根

        try{
            for(int i=0;i<4;i++){
        
            int  k;
            switch(i){
                case 0:
        int zero=0;
        k=911/zero;
        break;
                case 1:
        int  b[]=null;
        k = b[0];
        break;
                case 2:
        int c[]=new int[2];

        k=c[9];
        break;
                case 3:
        char ch="abc".charAt(99);

        break;
            }
        }
        }
        catch( ArithmeticException ex)
        {
            System.out.println("算数运算错误");
        }
        catch( NullPointerException ex)
        {
            System.out.println("空指针异常");
        }
        catch( ArrayIndexOutOfBoundsException ex)
        {
            System.out.println("数组下标越界错误");
        }
        catch (Exception ex)
        {
            System.out.println("其他异常");
        }
    }

}