Untitled

package Labs.Assignment9;
import java.util.*;
public class QuestionNine
{   
    public static void main(String[] args) 
    {
        RegularPolygon rp1 = new RegularPolygon();
        RegularPolygon rp2 = new RegularPolygon(6, 4);
        RegularPolygon rp3 = new RegularPolygon(10, 4, 5.6, 7.8);

        System.out.printf("Regular Polygon 1 Perimeter : %f\n",rp1.getPerimeter());
        System.out.printf("Regular Polygon 1 Area : %f\n",rp1.getArea());
        System.out.printf("Regular Polygon 2 Perimeter : %f\n",rp2.getPerimeter());
        System.out.printf("Regular Polygon 2 Area : %f\n",rp2.getArea());
        System.out.printf("Regular Polygon 2 Perimeter : %f\n",rp3.getPerimeter());
        System.out.printf("Regular Polygon 2 Area : %f\n",rp3.getArea());
        

    }
}
class RegularPolygon
    {
        private int n = 3;
        private double side = 1.0;
        private double x = 0;
        private double y = 0;
       
        RegularPolygon(){}

        RegularPolygon(int n, double side) 
        {
            this.n = n;
            this.side = side;
            double x = 0;
            double y = 0;
        }
        RegularPolygon(int n, double side, double x, double y) 
        {
            this.n = n;
            this.side = side;
            this.x = x;
            this.y = y;
        }
        public int getN() 
        {
            return n;
        }
        
        public void setN(int n) 
        {
            this.n = n;
        }
        
        public double getSide()
        {
            return side;
        }
        
        public void setSide(double side)
        {
            this.side = side;
        }
        
        public double getX()
        {
            return x;
        }
        
        public void setX(double x)
        {
            this.x = x;
        }
        
        public double getY()
        {
            return y;
        }
        
        public void setY(double y)
        {
            this.y = y;
        }
        
        public double getPerimeter()
        {
            return n * side;
        }

        public double getArea()
        {
            return (n * side * side) / (4 * Math.tan(Math.PI / n));
        }
    }