Java Quiz 1

Which of the following is not an OOPS Principle?

• a. Encapsulation

• b. Polymorphism

• c. Exception

• d. Abstraction

Which of the following OOP concept binds the code and data together and keeps them secure from the outside world?

• a. Polymorphism

• b. Inheritance

• c. Abstraction

• d. Encapsulation

Which component is used to compile, debug and execute java program?

• JVM

• JDK

• JIT

• JRE

What is the return type of a method that does not return any value?

• int

• float

• void

• double

Which function is used to perform some action when the object is to be destroyed?

• finalize()

• delete()

• main()

• none of the mentioned

What is the process of defining two or more methods within same class that have same name but different parameters declaration?

• Method Overriding
• Method Hiding
• Method Overloading
• none of the mentioned

Which method can be defined only once in a program?

• main method

• finalize method

• static method

• private method

Who invented Java Programming?

• Guido van Rossum

• James Gosling

• Dennis Ritchie

• Bjarne

Which definition best defines the concept of abstraction?

• Hides the important data

• Hides the implementation and showing only the required features

• Hiding the implementation

• Showing the important data

Which of the following is not an OOPS Principle?

• Encapsulation

• Polymorphism

• Exception

• Abstraction