Computer Programming
608 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
6 lessons
29 practices
4 hours
Computer Science Fundamentals
Lessons and practices
Running the Strategy Pattern Example
Add a new Payment Strategy
Fix the Ticket Booking System
Complete Weather Strategy Implementation
Implement Travel Strategies from Scratch
Understanding the Template Method Pattern
Customizing Template Methods
Fix the Sequence Order
Complete the Artwork Creation Template
Implement Game Level Manager
Observer Pattern in Action
Fix the News Bug
Complete the Stock Observer
Implementing a Weather Alert Notification System
Implement Movie Observer from Scratch
Running the Command Pattern
Enhance Command Pattern Usage
Debugging the Remote Control
Commands for Game Actions
Command Pattern in Text Editors
Understanding State Pattern Dynamics
Add an Additional State
Fix the State Pattern Bug
Superhero State Transitions
State Pattern from Scratch
Command Pattern for Messages
Strategy Pattern for Notifications
Observer Pattern for Chat Rooms
Enhancing the Final Application
Meet Cosmo:
The smartest AI guide in the universe
Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.
Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal
