Java Program To Calculate Area Of Circle - Java Program With Example

Write Java Program To  Calculate Area Of Circle. In This Post We Share A Java Program Code For Calculate  Area Of Circle Which Entered By User And Show Output On Screen After Compile Program.



public class
Main {

public static void main(String[] args)
int radius = 3;
System.out.println("The radius of the circle is " + radius);
         * Area of a circle is pi * r * r where r is a radius of a circle.
        // NOTE : use Math.PI constant to get value of pi
double area = Math.PI * radius * radius;
System.out.println("Area of a circle is " + area);




The radius of the circle is 3

Area of a circle is 28.274333882308138

Process finished with exit code 0