import java.util.Scanner; class CircleDemo { static Scanner sc = new Scanner(System.in); public static void main(String args[]) { System.out.print("Enter the radius: "); /*We are storing the entered radius in double * because a user can enter radius in decimals */ double radius = sc.nextDouble(); //Area = PI*radius*radius double area = Math.PI * (radius * radius); System.out.println("The area of circle is: " + area); //Circumference = 2*PI*radius double circumference= Math.PI * 2*radius; System.out.println( "The circumference of the circle is:"+circumference) ; } }
Java Program to calculate area and circumference of circle.
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December 20, 2019
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