OOP fundamentals

Question 1

Inheritance

Answer 1

enables new objects to take on properties of existing objects

Question 2

Single inheritance

Answer 2

derived class can only have one parent class

Question 3

Multiple inheritance

Answer 3

allows a class to be derived from two or more classes inheriting from memebers of all parents

Question 4

Polymorphism

Answer 4

ability to present the same interface for differing underlying forms

Question 5

Tpes of polymorphism

Answer 5

Overloading

Overriding

Question 6

Overloading

Answer 6

two or more methods with same name but diff signatures

Question 7

Overriding

Answer 7

Replacing an inherited method with another having the same signature

Question 8

Abstraction

Answer 8

process of defining the essential concepts while ignoring the inessential details

Question 9

Data Abstraction

Answer 9

programming language define constructs to simpify the way info is presented to programmer

Question 10

Functional Abstraction

Answer 10

programming languages have constructs that gift wrap very complex and low level instructions into much more readable form

Question 11

Object Abstraction

Answer 11

OOP languages take the concept farther and abstract programming constructs as objects

Question 12

Accessibility scope

Answer 12

boundary of access to a class and its members

Question 13

Encapsulation

Answer 13

process of hiding an objects implementation from another object while presenting only the interfaces that should be visible