OOP concepts 1

Question 1

in encapsulation, to change the value of an instance variable or variable you should use what

Accepted Answer

method

Question 2

can you execute: System.out.println(main());

Accepted Answer

false

Question 3

private variables are only accessed in the method

Accepted Answer

false

Question 4

To implement the process of encapsulation, you should use setter and getter method

Accepted Answer

true

Question 5

can you convert void to any data type?

Accepted Answer

noway!

Question 6

In encapsulation, it's not a good practice to use method to set and get a value

Accepted Answer

true

Question 7

What is the first true Object oriented programming? search loogle

Accepted Answer

Smalltalk

Question 8

______ is called having the same method name, same parameter and they're on different class

Accepted Answer

method overriding

Question 9

Polymorphism means

Accepted Answer

same thing different behavior

Question 10

which one is a part of OOP concepts?

Accepted Answer

All

Question 11

encapsulation is called a data hiding tactic in programming

Accepted Answer

true

Question 12

which of the following is a class

Accepted Answer

collection of pencil, collection of pens

Question 13

_______ is called having the same constructor name but different parameter

Accepted Answer

constructor overloading

Question 14

private variables can be accessed from the package

Accepted Answer

false

Question 15

_____ is called having the same method name but different parameter

Accepted Answer

method overloading

Question 16

which one of the following is one of the polymorphism concept

Accepted Answer

all

Questions 16