Triangle.java

package proj20012023;

public class Triangle {
    // attributes
    private double a, b, c;

    // ctor
    public Triangle() {
        this.a = 1;
        this.b = 1;
        this.c = 1;
    }

    public Triangle(double a, double b, double c) {
        this.a = a;
        this.b = b;
        this.c = c;
    }

    public Triangle(double x) {
        this.a = x;
        this.b = x;
        this.c = x;
    }

    // getters
    public double getA() {
        return a;
    }

    public double getB() {
        return b;
    }

    public double getC() {
        return c;
    }

    public double getPerimeter() {
        return a + b + c;
    }

    // setters
    public void setA(double a) {
        if (a > 0)
            this.a = a;
    }

    public void setB(double b) {
        if (b > 0)
            this.b = b;
    }

    public void setC(double c) {
        if (c > 0)
            this.c = c;
    }

    @Override
    public String toString() {
        return "Triangle [a=" + a + ", b=" + b + ", c=" + c + ", p=" + getPerimeter() + "]";
    }

}