คลาสคำนวณพื้นที่และเส้นรอบวงของวงกลม

public class CircleDriver {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Circle c = new Circle();
        double radius = sc.nextDouble();
        c.setRadius(radius);
        System.out.println("Radius: " + c.getRadius());
        System.out.println("Circle Area: " + c.getArea());
        System.out.println("Circle Perimeter: " + c.getPerimeter());
    }
}
 
class Circle {
    // Write your code here
 
}

import java.util.Scanner;
 
public class CircleDriver {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Circle c = new Circle();
        double radius = sc.nextDouble();
        c.setRadius(radius);
        System.out.println("Radius: " + c.getRadius());
        System.out.println("Circle Area: " + c.getArea());
        System.out.println("Circle Perimeter: " + c.getPerimeter());
    }
}
 
class Circle {
    private double radius;
 
    public void setRadius(double newRadius) {
        radius = newRadius;
    }
 
    public double getRadius() {
        return radius;
    }
 
    public double getArea() {
        return Math.PI * radius * radius;
    }
 
    public double getPerimeter() {
        return 2 * Math.PI * radius;
    }
 
}

private double radius;

public void setRadius(double newRadius) {
    radius = newRadius;
}

public double getRadius() {
    return radius;
}

public double getArea() {
    return Math.PI * radius * radius;
}

public double getPerimeter() {
    return 2 * Math.PI * radius;
}