OOP

Question 1

Abstraction

Answer 1

Hiding implementation details from the user.

Question 2

Inheritance

Answer 2

Using super and sub classes to inherit details from one another.
Example, animal and dog

Question 3

Polymorphism

Answer 3

Inheritance but different forms
Animal dog = new Dog();

Question 4

Encapsulation

Answer 4

Protecting data by limiting access utilizing getters and setters.