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

0 vote346 views1 answer
Extract html tag using regex
Java
2 votes264 views1 answer
Java is number
Java
0 vote302 views1 answer
Cancel javafx stage exit request
Java
24 votes300 views6 answers
Java string to int
Java
0 vote298 views1 answer
Playwright Java
Java
0 vote334 views1 answer
Compiling and running program in terminal
Java
0 vote291 views1 answer
Arraylist to linkedlist java
Java
3 votes344 views3 answers
Java initialize map with values in one line
Java
5 votes308 views1 answer
Cannot set char field to null value java
Java
0 vote255 views5 answers
Reverse array in java
Java