Subal (Square.java)

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package shape;

/**
 *
 * @author user
 */
public class Square {
    private double length;
    public double area(double length) {
        return (length * length);
    }

    public double perimeter (double length) {
        return (4 * length);
    }
    public void area() {
        System.out.println("Area of the Square: " + (length * length));
    }

    public void perimeter () {
        System.out.println("Perimeter of the Square: " + (4 * length));
    }
}