public boolean name(int a,int b,int c,int d) throws AppException {
        boolean flag = false;
        
        try {
            c=a+b;
            d=a*b; 
           flag = true;   
        } catch (Throwable t) {
            handleException(t);
        }
        return flag;
    }

int a=1;int b=2;
int c;int d;
name(a,b,c,d);