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Java program to Calculate Perimeter of a Circle

Find Perimeter of Circle in Java

This program will read radius from the user and calculate the Perimeter of the circle.

Perimeter of Circle using Java Program

//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

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