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Java program to find the area of a circle
Area of a circle is the product of the square of its radius, and the value of PI, Therefore, to calculate the area of a rectangle
- Get the radius of the circle.
- Calculate the square of the radius.
- Calculate the product of the value of PI and the value of the square of the radius.
- Print the result.
Example
import java.util.Scanner;
public class AreaOfCircle {
public static void main(String args[]){
int radius;
double area;
Scanner sc = new Scanner(System.in);
System.out.println("Enter the radius of the circle ::");
radius = sc.nextInt();
area = (radius*radius)*Math.PI;
System.out.println("Area of the circle is ::"+area);
}
}Output
Enter the radius of the circle :: 55 Area of the circle is ::9503.317777109125
Updated on: 13-Mar-2020
14K+ Views
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