Java program to print circle area and perimeter

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Table of Contents

Write a Java program to print the
area and perimeter
of a circle. 
import java.util.Scanner;
//Author -> ITVoyagers, visit -> itvoyagers.in
class Circle 
{
	public static void main(String[] args)
	{
		Float r, pi = 3.14f;
		Scanner s = new Scanner(System.in);
		System.out.println("nPlease enter the radius : ");
		//Author -> ITVoyagers, visit -> itvoyagers.in
		r = s.nextFloat();
		System.out.println("nnArea of Circle = " + pi * r * r);
		System.out.println("nnPerimeter of Circle = " + 2 * pi * r);
		
		System.out.println("nn");
		//Author -> ITVoyagers, visit -> itvoyagers.in
	}
}

Output

Please enter the radius :
5


Area of Circle = 78.5


Perimeter of Circle = 31.400002

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