Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Define Object Oriented Programming |
OOPS is abbreviated as Object Oriented Programming system in which programs are considered as a collection of objects. Each object is nothing but an instance of a class. |
|
|
Write basic concepts of OOPS? |
Abstraction Encapsulation Inheritance Polymorphism |
|
|
What is a class? |
A class is simply a representation of a type of object. It is the blueprint/ plan/ template that describe the details of an object. |
|
|
What is an object? |
Object is termed as an instance of a class, and it has its own state, behavior and identity. |
|
|
What is Encapsulation? |
Encapsulation is an attribute of an object, and it contains all data which is hidden. That hidden data can be restricted to the members of that class.Levels are Public,Protected, Private, Internal and Protected Internal. |
|
|
What is Polymorphism? |
Polymorphism is nothing butassigning behavior or value in a subclass to something that was already declared in the main class. Simply, polymorphism takes more than one form. |
|
|
What is Inheritance? |
Inheritance is a concept where one class shares the structure and behavior defined in another class. Ifinheritance applied on one class is called Single Inheritance, and if it depends on multiple classes, then it is called multiple Inheritance. |
|
|
What are manipulators? |
Manipulators are the functions which can be used in conjunction with the insertion (<<) and extraction (>>) operators on an object. Examples are endl and setw. |
|
|
What are access modifiers? |
Access modifiers determine the scope of the method or variables that can be accessed from other various objects or classes. There are 5 types of access modifiers , and they are as follows:. Private .Protected .Public .Friend .Protected Friend. |
|
|
What is ‘this’ pointer? |
THIS pointer refers to the current object of a class. THIS keyword is used as a pointer which differentiates between the current object with the global object. Basically, it refers to the current object. |
