10 Questions
What is a key concept of object-oriented programming that is employed when creating Java classes?
Encapsulation
When instantiating a class in Java, which term is typically used to refer to individual objects created from that class?
Instances
What is the purpose of a constructor in a Java class?
To initialize the attributes of an object
Which keyword is used in Java to restrict access to class members to only the same class or package?
private
In object-oriented programming, which term refers to the data elements that characterize an object or a class?
Attributes
What distinguishes an object from a class in Java?
A class defines a blueprint, while an object is an instance of that blueprint
Which of the following best describes the purpose of messaging in object-oriented programming?
Communicating between objects
What is a driver class in Java typically responsible for?
Creating objects from classes
Which Java modifier is used to grant unrestricted access to a class member from any other class?
public
What is the primary benefit of using encapsulation in Java?
Better data security
Learn about the importance of classes in Java programming and how they help in managing data and performing specific operations. Understand the essence of Object-Oriented Programming (OOP) and why creating custom classes is essential for modeling real-world entities in our programs.
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