Data Abstraction:

• OOPs concepts that hide the implementation details and show only the functionality to the user that is called Abstraction.
• OOPs languages use the abstract class and interface to achieve the Abstraction.

Data Encapsulation:

• OOPs concepts that wrap the data and methods together into a single unit are called Encapsulation.
• Oops languages can achieve encapsulation by making the data members private and accessing them throw a public network.