Software Engineering

2,819 learners

Behavioral Design Patterns

Behavioral design patterns emphasize communication between objects and the distribution of responsibilities. This course covers patterns like Observer, Strategy, and Command, helping you design systems with flexible interactions, improved maintainability, and better separation of concerns.

Java

See path

6 lessons

29 practices

4 hours

Computer Science Fundamentals

Course details

Strategy Pattern

Preview

Running the Strategy Pattern Example

Add a new Payment Strategy

Fix the Ticket Booking System

Complete Weather Strategy Implementation

Implement Travel Strategies from Scratch

Previous Course Next Course: Applying Design Patterns in a Smart Home System

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I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

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Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

Behavioral Design Patterns

Course details

Unit 15 practices38 min

Unit 25 practices38 min

Unit 35 practices38 min

Unit 45 practices38 min

Unit 55 practices38 min

Unit 64 practices32 min

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community