Practice Behavioral Patterns - 11.2.3 | 11. Design Patterns in Java | Advance Programming In Java
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Behavioral Patterns

11.2.3 - Behavioral Patterns

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Observer Pattern achieve in software design?

💡 Hint: Think about events where multiple subscribers need to be informed.

Question 2 Easy

What does encapsulating a request as an object help to achieve?

💡 Hint: Consider how commands can be packaged to be executed later.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary goal of the Observer Pattern?

To maintain a one-to-one relationship
To define a one-to-many relationship
To allow random access

💡 Hint: Think about notification systems and updates.

Question 2

True or False: The Strategy Pattern promotes tight coupling between algorithms.

True
False

💡 Hint: Remember the idea of interchangeable components.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a class diagram representing the Observer Pattern with at least three observers and one subject.

💡 Hint: Think about how you would visualize each relationship in UML.

Challenge 2 Hard

Design a small project using the Strategy Pattern in a game context. Describe the strategies and the decision-making process.

💡 Hint: Consider how strategies influence gameplay and player experience.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.