compile time polymorphism (method overloading)_

 //METHOD OVERLOADING

public class compiletime {

    public static void main(String[] args) {

        Calculator cal = new Calculator();

        System.out.println(cal.sum(2, 34));

        System.out.println(cal.sum(2.4, 5.67));

        System.out.println(cal.sum(12, 34, 71));

    }

}

class Calculator {

    int sum(int a, int b) {

        return a + b;

    }

    double sum(double a, double b) {

        return a + b;

    }

    int sum(int a, int b, int c) {

        return a + b + c;

    }

}