18 Questions
What is the purpose of the 'this' keyword in OOP?
Declaring a static method
How many objects can be created from a class in OOP?
Unlimited
What is an object in object-oriented programming?
An instance of a class
Which keyword is used to create an instance of a class in most object-oriented programming languages?
New
What is the main purpose of a constructor in a class?
To initialize the instance variables of the class
Which of the following is an example of aggregation in object-oriented programming?
Having a class that contains references to other classes
What is an advantage of Object-Oriented Programming (OOP) that is not mentioned in the text?
Improved security measures
Which of the following is NOT a feature of Object-Oriented Programming (OOP)?
Immutability
In Object-Oriented Programming (OOP), if there is an abstract method in a class, what is the requirement?
Class must be an abstract class
Which best describes an object in the context of Object-Oriented Programming (OOP)?
Instance of a class.
How many types of access specifiers are provided in Object-Oriented Programming (OOP) using TypeScript?
3
Which of the following is an incorrect statement following the Object-Oriented Programming (OOP) concept?
Hospital extends Doctor.
What is the purpose of object-oriented programming?
To create applications using objects and their interactions
Can classes and their relations be modeled in UML (Unified Modeling Language)?
Yes, UML does not support class modeling
Is Object-oriented programming designed to make code harder to read and maintain?
No, it is intended to make code easier to read and maintain
What is polymorphism in object-oriented programming?
The ability of data to take on multiple forms
Are objects the only data types used in TypeScript, Java, or C++?
No, these languages support multiple data types beyond objects
Does object-oriented programming discourage code reusability?
No, OOP encourages creating reusable code
Test your knowledge on class attributes visibility, 'this' keyword usage, and object creation limits in object-oriented programming. Determine the correct visibility scope of attributes, the purpose of the 'this' keyword, and the number of objects that can be created from a class.
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