This is probably the top case that is known in object oriented software development jobs and asked in many of interviews. There are many of descriptions out there on the internet, but somehow i felt the immense need of explaining things in my words. These pillars can be listed like this; 1. Encapsulation, 2. Inheritance, 3.
At work, while the developments of IOS and Android mobile apps were taking place, I was asked to show a small screen to mobile visitors in order for informing them that they can launch the application or install, you may simply see the situation below. The application is a J2EE application, but i do display