Java Program to Find Area of circle Using Method Overloading

// Java program to find the area of
// the circle using Method Overloading

import java.io.*;

class Circle {

    static final double PI = Math.PI;

    // Overloaded Area() function to
    // calculate the area of the circle.
    // It takes one double parameter
    void Area(double r)
    {
        double A = PI * r * r;

        System.out.println("Area of the circle is :" + A);
    }

    // Overloaded Area() function to
    // calculate the area of the circle.
    // It takes one float parameter
    void Area(float r)
    {
        double A = PI * r * r;

        System.out.println("Area of the circle is :" + A);
    }
}

class GFG {

    // Driver code
    public static void main(String[] args)
    {

        // Creating object of Circle class
        Circle obj = new Circle();

        // Calling function
        obj.Area(5);
        obj.Area(2.5);
    }
}

// Java program to find the area of
// the circle when the diameter is given
// using Method Overloading

import java.io.*;

class Circle {

    static final double PI = Math.PI;

    // Overloaded Area() function to
    // calculate the area of the circle.
    // It takes one double parameter
    void Area(double D)
    {
        double A = (PI / 4) * D * D;

        System.out.println("Area of the circle is :" + A);
    }

    // Overloaded Area() function to
    // calculate the area of the circle.
    // It takes one float parameter
    void Area(float D)
    {
        double A = (PI / 4) * D * D;

        System.out.println("Area of the circle is :" + A);
    }
}

class GFG {

    // Driver code
    public static void main(String[] args)
    {

        // Creating object of Circle class
        Circle obj = new Circle();

        // Calling function
        obj.Area(10);
        obj.Area(20.4);
    }
}