编辑代码

public class Main 
{
	public static void main(String[] args) 
    {
        try
        {
            int result = divide(4,-2);
            System.out.println(result);
        }
        catch (DivideByMinusException e)
        {
            System.out.println(+e.getMessage());
        }
	}
    public static int divide (int x,int y)throws DivideByMinusException 
    {
        if (y<0)
        {
            throw new DivideByMinusException ("除数都是负数")；
        }
        int result = x / y;
        return result;
    }
}