What kind of programming paradigm does Java primarily use for encapsulation?

• A. Functional programming
• B. Procedural programming
• C. Object-oriented programming
• D. Event-driven programming

Answer: (C)

Java primarily uses object-oriented programming (OOP) for encapsulation, which is a fundamental principle of this paradigm. In OOP, encapsulation refers to the bundling of data (attributes) and methods (functions) that operate on the data into a single unit called a class. This allows for data hiding, where the internal state of an object is protected from outside interference and misuse.

In Java, encapsulation is achieved by using access modifiers such as private, protected, and public. By defining class attributes as private, they can only be accessed via public methods – the getter and setter methods. This ensures that any modification to the attributes can be controlled and validated, maintaining the integrity of the data and allowing for better maintainability and flexibility in software design.

This focus on organizing code into classes and using encapsulation to protect an object's state underscores Java’s commitment to the object-oriented paradigm, making it the correct answer in this context. Other programming paradigms like functional, procedural, and event-driven do not emphasize encapsulation in the same way as OOP, as they have different approaches and focuses regarding how to structure and manage code.