Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static String retainNumber10(int number) {
        if (number < 10) {
            return "0" + number;
        } else if (number < 100) {
            return String.valueOf(number);
        } else {
            return null;
        }
    }
}