APKPure Appを使用する
Object Oriented Conceptsの旧いバージョンをダウンロードすることが可能
OOPの主要な概念を説明！
This app is meant to give you a general overview about the key concepts of Object Oriented Programming. This is the first version of the first Android app I have ever developed. Any suggestion would be appreciated iapp.applications@gmail.com