Four pillars of Object-Oriented Programming (OOP) in java

Which OOP principle allows a subclass to inherit methods and properties from a superclass while also providing its own specific implementation?

• Encapsulation

• Polymorphism

• Inheritance

• Abstraction

Can objects of abstract classes be instantiated?

• Yes

• No

Which OOP concept refers to the ability of an object to take on different forms?

• Inheritance

• Interface

• Abstract class

• Polymorphism

What is the term for restricting access to certain details of an object and only revealing what is necessary?

• Data hiding

• Encapsulation

• Inheritance

Which keyword is used to access the method or member variables from the superclass?

• this

• super

• base