多异常处理

Posted 2020-12-05 zhujialei123

class Demo
{
    public int div(int a,int b) throws ArithmeticException,ArrayIndexOutOfBoundsException
    {
        int[] arr=new int[a];
        System.out.println(arr[4]);
        return a/b;
    }
}
public class ExceptionDemo 
{
    public static void main(String[] args)//throws Exception 
    {    
        Demo d=new Demo();
        try
        {
            int x=d.div(4,0);
            System.out.println("x="+x);
        }
        catch (ArithmeticException e)
        {
            System.out.println(e);
            System.out.println("被零除啦");
        }
        catch (ArrayIndexOutOfBoundsException e)
        {
            System.out.println(e);
            System.out.println("数组脚表越界啦");
        }
        catch(Exception e)
        {
            System.out.println(e);
        }
        finally
        {
            System.out.println("结束");
        }
    }
}