Gove Internship Trainee Interview Questions and Answers

Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.

• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for better control over the data by preventing outside interference.

• Encapsulation also promotes code reusability and modularity.

• Example: In a class, private variables can only be accessed through public methods.

Abstraction is the concept of hiding complex details and showing only the essential features of an object.

• Abstraction allows us to focus on what an object does, rather than how it does it

• It helps in reducing programming complexity and effort

• Example: A car is an abstraction of various components like engine, wheels, etc. We don't need to know the internal workings to drive it

Opps concepts refer to Object-Oriented Programming principles that focus on creating reusable and modular code.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (object)

• Inheritance: Allowing a class to inherit properties and behavior from another class

• Polymorphism: Ability for objects of different classes to respond to the same message in different ways

• Abstraction: Hiding the complex ...read more