What is encapsulation in object-oriented programming (OOP)?

ऑब्जेक्ट-ओरिएंटेड प्रोग्रामिंग (ओओपी) में एनकैप्सुलेशन क्या है?

Exposing internal details of an object

Grouping data and methods into a single unit

Hiding data and methods within an object

Inheriting from multiple classes

Explanation: