Java and OOP Multiple Choice Questions

Which of the following is not a feature of OOP?

• Modularity

• Code reusability

• Global variables

• Inheritance

Which concept of OOP is aimed at restricting access to data?

• Polymorphism

• Abstraction

• Inheritance

• Encapsulation

Which concept allows objects to take multiple forms?

• Inheritance

• Polymorphism

• Abstraction

• Encapsulation

Which of the following best defines class?

• Blueprint of object

• Real-time entity

• Collection of variables

• Collection of functions

The ability to derive new classes from existing ones is called?

• Polymorphism

• Inheritance

• Abstraction

• Overloading

OOP helps in making the code more...

• Procedural

• Complex

• Structured

• Maintainable

Which access modifier makes members visible within the same package only?

• public

• private

• protected

• default

Which keyword is used to inherit a class in Java?

• implements

• inherits

• extends

• derive

Java was developed at:

• Sun Microsystems

• Oracle

• IBM

• Microsoft

Java source code is compiled into:

• Executable

• Machine code

• Bytecode

• Text