FUNCTION, METHOD

public class function_method {

    // PROCEDURE
    public static void main(String[] args) {
        sum(3, 5, 7);
        HayUni();
        triangle(6.0, 8.0);
        System.out.println("Sum-Minus " + SumMinus(2.0, 4.0, 8.0));
        System.out.println("Sum & Minus " + Sum_Minus(2.0, 4.0, 8.0));

    }

    // PROCEDURE
    static void HayUni() {
        System.out.println("Hay Universe: Java");
    }

    // FUNCTION (PARAMETER)
    static void sum(int a, int b, int c) {
        var sum = a + b + c;
        System.out.println("Result : " + sum);
    }

    static void triangle(Double x, Double y) {
        var result = (x * y) / 2;
        System.out.println("Triangle : " + result);
    }

    // METHOD
    static double SumMinus(double j, double k, double l) {
        return j + k - l;
    }

    static double Sum_Minus(double m, double n, double o) {
        var resulted = m + n - o;
        return resulted;
    }

}
/* FUNCTION 3:
*  1. Function without parameter (Procedure), example: main()
*  2. Function with parameter, example: sum(parameter). sum() is constructor
*  3. Function with return (method)
 */