Pattern Design Creational Design Patterns 2

Question 1

What problem does the Singleton pattern primarily solve?

Accepted Answer

Uncontrolled instantiation of a class

Answer

Complex object construction

Answer

Object cloning overhead

Answer

Creating product families

Question 2

Which creational pattern is best suited for creating UI component libraries that must maintain a consistent theme?

Accepted Answer

Abstract Factory

Answer

Singleton

Answer

Prototype

Answer

Builder

Question 3

Lazy initialization in the Singleton pattern means:

Accepted Answer

The instance is created only when first requested

Answer

The instance is created at application startup

Answer

Multiple instances can exist temporarily

Answer

The constructor is made public

Question 4

Which creational pattern is commonly used for parsing configuration files into complex domain objects?

Accepted Answer

Builder

Answer

Prototype

Answer

Singleton

Answer

Factory Method

Question 5

A Prototype registry stores:

Accepted Answer

Pre-built prototype objects ready for cloning

Answer

Factory methods for each class

Answer

Singleton references

Answer

Builder director configurations

Question 6

Which pattern violates the Single Responsibility Principle the most if not carefully managed?

Accepted Answer

Singleton

Answer

Factory Method

Answer

Builder

Answer

Prototype