Singleton Pattern

Singleton Pattern

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial introduces the Singleton pattern, a design pattern that ensures only one instance of an object is created. It explains the pattern's relation to the module pattern and its use cases, such as managing a single user session. Despite its utility, the Singleton pattern is often criticized for providing a global point of access, which can hinder encapsulation and debugging. The tutorial includes a JavaScript implementation example, demonstrating how to create and test a Singleton instance. The video concludes with a brief mention of the upcoming topic, the factory pattern.

Read more

2 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of creating an instance in the Singleton pattern as outlined in the text.

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when you try to create multiple instances of a Singleton object?

Evaluate responses using AI:

OFF