OOP(Encapsulation-Inheritance)&Static Members

Question 1

Access to an object only through its member functions, while keeping the details private is

Accepted Answer

Encapsulation

Question 2

Keyword which is used to access the method from the parent class is:

Accepted Answer

super

Question 3

When we create an object, we can access its methods and variables by using the dot operator (.)

Accepted Answer

True

Question 4

When subclass declares a method that has the same arguments as declared by its superclass

Accepted Answer

Method Overriding

Question 5

Which of the following statements is true in Java?

Accepted Answer

If a constructor is not specified, a default constr. is used

Question 6

When a class is based on another class, it inherits:

Accepted Answer

The data and methods for the class

Question 7

What are the four OOP concepts in Java?

Accepted Answer

Encapsulation, Inheritance, Abstraction, Polymorphism

Question 8

Constructors never have an explicit return type

Accepted Answer

True

Question 9

OOP promotes a way of programming that allows programmers to think in terms of:

Accepted Answer

Objects

Question 10

A blueprint of an object is referred to as a ______.

Accepted Answer

Class

Question 11

Inheritance is a way to

Accepted Answer

add features to existing classes without rewriting them

Question 12

A member function(method)

Accepted Answer

can be public or private

Question 13

Can we overload static methods in Java ?

Accepted Answer

Yes, you can overload a static method in Java

Question 14

In JAVA, static is a non-access modifier that is applicable for variables, methods and blocks

Accepted Answer

True

Question 15

Constructors are used to

Accepted Answer

to create object

Question 16

Two or more methods with same name in the same class with different arguments is called as

Accepted Answer

Method Overloading

Questions 16