//Java program to Calculate Perimeter of a Circle.
import java.util.Scanner;
public class PerimeterCircle {
public static void main(String[] args) {
double radius;
Scanner sc = new Scanner(System.in);
// input radius of circle
System.out.print("Enter the Radius of Circle : ");
radius = sc.nextDouble();
// circle parameter is 2 * pie * radius
double Perimeter = 2 * 3.14 * radius;
System.out.print("Perimeter of Circle : " + Perimeter);
}
}
Output:
Enter the Radius of Circle : 3.5
Perimeter of Circle : 21.98
Perimeter of Circle using Java Program
Output: