public class Test01 {
    public static void main(String[] args) {
    new Test01().device(1,0);
    }
    public int device(int a,int b) throws ArithmeticException {//throws用在参数后面
        if (b==0){
            throw new ArithmeticException();//throw用在方法体中
        }
        System.out.println("有异常");
        return a/b;

    }
}
/*        int a=1,b=0;
        try { //try是监控区域，监控方法体中的代码是否有异常
            System.out.println(a/b);
        } catch (ArithmeticException e){//catch根据异常的类型是捕获异常
            System.out.println("ArithmeticException");
        }
        finally {//用于收尾阶段
            System.out.println("异常已捕获");
        }*/