Basics of Java Programming (Classes and Objects).

PRE TEST :

Question 1:
A process that involves recognizing and focusing on the important characteristics of a situation or object is known as?

Encapsulation
Polymorphism
Abstraction
Inheritance

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Question 2:
Which statement is true regarding an object?

An object is what classes instantiated are from
An object is an instance of a class
An object is a variable
An object is a reference to an attribute

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Question 3:
The wrapping up of data and functions into a single unit is called?

Encapsulation
Abstraction
Data Hiding
Polymorphism

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Question 4:
In object-oriented programming, new classes can be defined by extending existing classes. This is an example of?

Encapsulation
Interface
Composition
Inheritance

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Question 5:
Which of these class is superclass of every class in Java?

String class
Object class
Abstract class
None of the above.

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Question 6:
What is the process of defining a method in terms of itself, that is a method that calls itself?

Polymorphism
Abstraction
Encapsulation
Recursion

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Question 7:
Which of these method of Object class can clone an object?

Objectcopy()
copy()
Object clone()
clone()

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