/**
 * Add two numbers using recursion, pretending you only
 * know how to add and subtract 1.
 * @author ggtowell
 * Created: Aug 2023
 * Modified: Oct 27, 2023
 */
public class Radder {
    public static void main(String[] args) {
        System.out.println(rAdder(5, 4));
    }
    /**
     * The recursive method of doing addition
     * @param firstNum
     * @param secondNum
     * @return
     */
    public static int rAdder(int firstNum, int secondNum) {
        if (secondNum == 0) {
            return firstNum;
        }
        return rAdder(firstNum, (secondNum - 1)) + 1;
    }
}