11.5.1 - Observer Pattern
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Practice Questions
Test your understanding with targeted questions
What is an Observer in the Observer Pattern?
💡 Hint: Think about who needs to be informed of updates.
What does the Subject do?
💡 Hint: Consider what action it performs for its Observers.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of the Observer Pattern?
💡 Hint: Think about what happens when an event occurs.
True or False: In the Observer Pattern, the Subject is tightly coupled with the Observers.
💡 Hint: Consider the benefits of this design pattern.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design an Observer Pattern implementation for a stock market application where stocks' prices change frequently. Include multiple Observers that react to price updates.
💡 Hint: Consider how the investors would want to receive their updates.
Analyze the potential drawbacks of using the Observer Pattern in an application with thousands of Observers. What design considerations would you keep in mind?
💡 Hint: Think about how to manage the notification load effectively.
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