Calculator.java - java_programming

Public class Calculator {
    public static void main(String[] args){
        a = 5;
        b = 4;
        System.out.println(add(a, b));        //9
        System.out.println(sub(a, b));        //1
        System.out.println(multi(a, b));     //20
        System.out.println(divi(a, b));        //1.25
    }
}