In this post we are going to learn java program to find circumference of a circle.

Also read – area of circle java

#### Java program to find circumference of a circle

Here’s the java program to calculate circumference of a circle where user enters radius,

To calculate circumference of circle formula is,

circumference = 2πr

public class CircumferenceOfCircleJava { public static void main(String[] args) { int radius; double circumference; Scanner sc = new Scanner(System.in); System.out.println("Enter the radius : "); radius = sc.nextInt(); circumference = Math.PI * 2 * radius; System.out.println("Circumference of circle : " + circumference); sc.close(); } }

**Output:**

Enter the radius : 10

Circumference of circle : 62.83185307179586