package text.java;
public class a {
    float n, m;
    char k;
    float answer;
    public a(float n, float m, char k) {
        this.n = n;
        this.m = m;
        this.k = k;
    }
    public String count(float n, float m, char k) {
        if (k == '+') {
            answer = n + m;
            return ("n+m=" + answer);
        } else if (k == '-') {
            answer = n - m;
            return ("n-m=" + answer);
        } else if (k == '*') {
            answer = n * m;
            return ("n*m=" + answer);
        } else if (k == '/') {
            if (m != 0) {
                answer = n / m;
                return ("n/m=" + answer);
            } else return ("n can't be zero");
        } else if (k == '%') {
            answer = n % m;
            return ("n%m=" + answer);
        }
        else {

            return ("the algorithm can't be recognized.please enter the algorithm again");
        }
    }

    public float test(){
        if (k == '+') {
            answer = n + m;
            return (answer);
        }
        else if (k == '-') {
            answer = n - m;
            return (answer);
        }
        else if (k == '*') {
            answer = n * m;
            return (answer);
        }
        else if (k == '/') {
            if (m != 0) {
                answer = n / m;
                return (answer);
            }
            else {
                System.out.println("error");
                return(0);
            }
        }
        else if (k == '%') {
            answer = n % m;
            return (answer);
        }
        else {
            System.out.println("error");
            return(0);}
    }
}