Java program to calculate area of a circle
import java.util.Scanner;
public class CalculateAreaOfCircle
{
public static void main(String[] args)
{
double radius;
double pi = 3.1415, area;
Scanner sc = new Scanner(System.in);
System.out.println("Please enter radius of circle: ");
radius = sc.nextDouble();
area = pi * radius * radius;
System.out.println("Area of circle: " + area);
sc.close();
}
}area of circle in java
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
final float PI = 3.14f;
Scanner scanner = new Scanner(System.in);
System.out.print("Enter radius of circle: ");
int radius = scanner.nextInt();
double areaOfCircle = PI * Math.pow(radius,2);
System.out.printf(" Area of circle of circle is %.2f ",areaOfCircle);
}
}Area of a Circle in Java Programming
import java.util.Scanner;
public class Main {
public static void main(String[] args){
double R,A;
Scanner sc = new Scanner(System.in);
R = sc.nextDouble();
A = 3.14159 * R * R;
System.out.printf("A=%.4f\n", A);
}
}Copyright © 2021 Codeinu
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