Area of circle formula java

Area of circle in java

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);
   }
}

Area of circle formula java

public static double area(double radius) {
     return (Math.PI * Math.pow(radius, 2));   
}

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);
   }
}

Source: devsenv.com

Similar codes

5 votes167 views5 answers
Arraylist to int array conversion in java
Java
0 vote165 views1 answer
Why to use serializable with java bean
Java
0 vote178 views2 answers
Eval javascipt
Java
0 vote180 views1 answer
Hellow world java code
Java
0 vote171 views1 answer
Jframe circles in java
Java
1 vote169 views1 answer
Java coding standards variables
Java
1 vote160 views1 answer
Print out value java
Java
1 vote174 views2 answers
Bootstrap 4 Navbar Dropdown Menu Items Right
Java
10 votes178 views4 answers
How to find the sum of an array in java
Java
3 votes129 views1 answer
Java main class
Java