Structural Design Patterns in Modern C++ - Introduction to the Decorator Pattern

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What principle is violated when modifying existing code to add new features?
Open Closed Principle
Interface Segregation Principle
Single Responsibility Principle
Liskov Substitution Principle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a decorator also known as?
Proxy
Bridge
Wrapper
Adapter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of the decorator pattern over inheritance?
It enables dynamic addition of responsibilities.
It reduces the need for interfaces.
It allows for static behavior changes.
It simplifies code structure.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the decorator pattern maintain the Open Closed Principle?
By creating new classes for each feature.
By adding features without altering the original component.
By using inheritance to add features.
By modifying the original component directly.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the base class in the decorator pattern?
To store data for decorators.
To define the interface for decorators.
To implement concrete functionality.
To manage runtime behavior.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential alternative to the decorator pattern for changing an object's behavior?
Observer Pattern
Strategy Pattern
Factory Pattern
Singleton Pattern
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should decorator classes be lightweight?
To enable them to handle multiple responsibilities.
To prevent them from becoming too heavy to use.
To allow for easy modification of the base class.
To ensure they can store large amounts of data.
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