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Java Program to find area of Circle (Use Constant)

Get radius of circle and find area of circle.

Sample Input 1:

4

Sample Output 1:

50.24

Flow Chart Design

Java Program to find area of Circle (Use Constant) Flow Chart

Try your Solution

Strongly recommended to Solve it on your own, Don't directly go to the solution given below.

public class Hello { public static void main(String args[]) { //Write your code here } }

Program or Solution

				
			
					
import java.util.*;
class Circle
{
 
    public static void main(String args[])
    {
 
        double radius;
        double area;
        Scanner sc=new Scanner(System.in);
        System.out.println("Get the radius of Circle and find area of Circle");
        System.out.println("Enter The radius:");
        radius=sc.nextDouble();
        area=3.14*radius*radius;
        System.out.println("The Output 1 Is:\n"+area);

    }

}

Program Explanation

Get radius of a circle (using scanner class) Calculate area by multiplying pi and radius and radius (area =pi*radius*radius) (pi is 3.14 , global constant) Print area (using system.out.println)

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