What is an abstract class?

A class with at least one abstract method

UML, in general, is a graphical representation of software describing:

Software Structure and behavior

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W8_OOP and UML

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Explore the key concepts and principles of design and object-oriented programming through a series of engaging questions.

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Questions 19

Answers

1
Which of the following diagrams focuses on the dynamic behavior of the software?
Object diagram
Class diagram
Package diagram
Activity diagram
2
Which technique helps manage complexity?
Deployment
Implementation
Testing
Abstraction
3
What is considered an attribute of well-designed software?
High-cohesion and coupled
High-cohesion and decoupled
low-cohesion and decoupled
Low-cohesion and coupled
4
Which of the following is not one of the OOP pillars?
Inheritance
Polytechnique
Encapsulation
Abstraction
5
What is the relation in the following UML?
Association
Composition
Inheritance
Aggregation
6
The object diagram is a snapshot of which diagram:
Class diagram
Component diagram
Sequence diagram
use case diagram
7
What is the relation in the following UML?
Inheritance
Aggregation
Composition
Association
8
In Dynamic polymorphism, the implementation is associated with the method name at which time:
The run time
The compilation time
The debugging time
The deployment time
9
What does a state machine diagram model?
Data flow
Static behavior
Dynamic nature of a system
User requirements
10
What is the type of the following UML?
Use-case Diagram
Object Diagram
Sequence Diagram
Class Diagram
11
What is the highest level of design?
Low-Level Design
Implementation
System Architecture
High-Level Design
12
What is an abstract class?
A class that cannot be instantiated
A class with multiple instances
A class with at least one abstract method
A class with no methods
13
What is a use case diagram used for?
Modeling system architecture
Defining database structure
Describing user behavior
Creating class diagrams
14
Which of the following diagrams focuses on the static structure of the software?
Object diagram
Use case diagram
Activity diagram
Sequence diagram
15
UML, in general, is a graphical representation of software describing:
Software Structure only
Software behavior only
Software Structure and behavior
Software syntax
16
Which of the following diagrams focuses on the timing behavior of the software?
Use case diagram
Class diagram
Sequence diagram
Object diagram
17
What does decoupling minimize?
Code length
Errors
Dependences between modules
User input
18
What does polymorphism allow?
Only one method per class
Methods override and overload
No methods at all
Single method for all classes
19
The OOP stands for
Object-oriented Project
Object-on-Programing
Object-oriented Programming
Object-on Project

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