Encapsulation - Part 1

What are the 3 types of encapsulation in Java?

• A. Member variable encapsulation, function encapsulation, and class encapsulation
• B. Private variable encapsulation, public variable encapsulation, and protected variable encapsulation
• C. Member variable encapsulation, function encapsulation, and static encapsulation
• D. Private variable encapsulation, public variable encapsulation, and final variable encapsulation

What is encapsulation 1?

• A. A way to restrict the direct access to some components of an object
• B. A way to make a class more robust and easier to maintain
• C. A way to hide the implementation details of a class
• D. A way to bind data and methods together

What is encapsulation for in Java?

• A. To integrate data (variables) and code (methods) into a single unit
• B. To hide the implementation details of a class
• C. To make a class more robust and easier to maintain
• D. All of the above

What are the 4 pillars of OOP encapsulation?

• A. Inheritance, Polymorphism, Encapsulation, and Abstraction
• B. Abstraction, Encapsulation, Polymorphism, and Composition
• C. Inheritance, Composition, Encapsulation, and Polymorphism
• D. Abstraction, Composition, Encapsulation, and Inheritance

What is encapsulation in OOP?

• A. A way to restrict the direct access to some components of an object.
• B. A way to make a class more robust and easier to maintain.
• C. A way to hide the implementation details of a class.
• D. A way to bind data and methods together.

What are 2 examples of encapsulation?

• A. School bag and email account
• B. Physical layer and data link layer
• C. Code and data
• D. Header and trailer

What layer is encapsulation?

• A. Physical layer
• B. Data link layer
• C. Network layer
• D. Transport layer

What is basics of encapsulation?

• A. Binding together code and data
• B. Hiding unnecessary information
• C. Adding headers and trailers
• D. All of the above

How many layers of encapsulation are there?

• A. 2
• B. 3
• C. 4
• D. 5

What is abstraction in OOP?

• A. Hiding unnecessary information.
• B. Showing only essential attributes.
• C. Both A and B.
• D. None of the above.