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Quiz on Polymorphism and Interfaces

Authored by Fidaa Abed

Computers

12th Grade

Used 4+ times

Quiz on Polymorphism and Interfaces
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is polymorphism in object-oriented programming?

Defining multiple methods with the same name

Ability of objects to process messages in different ways

Encapsulation of methods and variables

Static method overriding

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What concept allows different objects to respond to the same method call in their own way?

Encapsulation

Polymorphism

Inheritance

Overloading

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following demonstrates polymorphism?

Using multiple constructors in a class

Overloading a method

Invoking a subclass-specific method through a superclass reference

Declaring private fields in a class

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Polymorphism supports the design of systems that are:

Statically linked

Extensible and flexible

Dependent on superclass behavior only

Restricted to single-level inheritance

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which programming feature ensures polymorphism?

Method overriding

Abstract methods

Interfaces

All of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines which method implementation is executed in polymorphism?

Type of variable reference

Method signature

Actual object type

Compiler settings

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Abstract methods in a class:

Must be defined with final

Are always private

Do not provide an implementation

Can include static logic

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