Apple provides ContactsUI framework for displaying and selecting the contacts. It fetches all the contacts from the iPhone's Contact A...

Whenever you create multiple view controllers, you'll need to pass data from one view controller to another view controller in any situ...

Java Generics are used to store only the specific type of objects. Generics are introduced in Java programming language in 2004 within th...

In last tutorial, we saw how RecyclerView is implemented in Android. Now, I'm gonna to explain what is encapsulation and what's the...

What is Python ?      Python is a object oriented and high level programming language which is created by Guido Van Rossum. Python has c...