Question

Define a class Fraction3YourName as follows,

/**
* Program Name: Fraction3YourName.java
* Discussion: Fraction3Yourname class
* written By:
* Date: 2019/09/19
*/
public class Fraction3YourName {
private int sign;
private int num;
private int denom;
public Fraction3YourName() {
//sign = ;
//denom = ;
}
public Fraction3YourName(int n) {
//sign = ;
//num = n;
//denom = ;
}
public Fraction3YourName(int s, int n, int d) {
//sign = s;
//num = n;
//denom = d;
}
}

by java programming

Answer 1

/**
 * Program Name: Fraction3YourName.java
 * Discussion: Fraction3Yourname class
 * written By:
 * Date: 2019/09/19
 */
public class Fraction3YourName {
    private int sign;
    private int num;
    private int denom;

    public Fraction3YourName() {
        this(1, 0, 1);
    }

    public Fraction3YourName(int n) {
        this(1, n, 1);
    }

    public Fraction3YourName(int s, int n, int d) {
        sign = s;
        num = n;
        denom = d;
    }

    @Override
    public String toString() {
        String s = "";
        if (sign == 1) {
            s += "+";
        } else {
            s += "-";
        }
        s += num + "/" + denom;
        return s;
    }
}

class FractionTest {

    public static void main(String[] args) {
        Fraction3YourName f1 = new Fraction3YourName(1, 3, 7);
        System.out.println(f1);
        Fraction3YourName f2 = new Fraction3YourName(-1, 6, 7);
        System.out.println(f2);
    }
}