### Java Program to find Perimeter of a Circle

The Mathematical equation to find Perimeter or Circumference of a Circle is

In this tutorial we will learn how to calculate Perimeter(Circumference) of a Circle using java program. To write this program we are using predefined classes like Math, Scanner or BufferedReader. BufferedReader used to read the value of radius at runtime or from console.

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**C=2πr**. We can write hte above equation in our program as**2*Math.PI*r**