Question

What is mean by encapsulation in object oriented programming?

Answer 1

it means to bind data and object into a single unit

Answer 2

Answer:

Encapsulation means characteristics and behaviour are combined in one unit. The system of wrapping data and functions into a single unit is known as encapsulation of data.

An abstraction is a named collection of attributes and behaviour relevant to modeling a given entity for some particular purpose.  This is why in object oriented programming encapsulation plays an important role.