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 vote87 views3 answers
Java char to charsequence
Java
0 vote162 views1 answer
Java program to print decimal to octal conversion
Java
7 votes126 views2 answers
Java resource file
Java
0 vote139 views1 answer
'tools:replace="android:appComponentFactory"' to <application> element at AndroidManifest.xml:6:5-34:19 to override.
Java
0 vote120 views1 answer
What is assignment in java with example
Java
3 votes133 views2 answers
View get text android
Java
1 vote117 views1 answer
Functional remove java
Java
1 vote128 views3 answers
Java recursion
Java
0 vote139 views1 answer
Bad notification for startForeground: java.lang.RuntimeException: invalid channel for service notification: Notification
Java
0 vote126 views1 answer
Zebra zpl print java
Java