11.6 - Real-world Applications of Design Patterns in Java
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Practice Questions
Test your understanding with targeted questions
What is the Singleton pattern used for?
💡 Hint: Think about scenarios where a single instance is sufficient.
Provide one use case for the Factory Method pattern.
💡 Hint: Consider applications that require various visual elements.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the Singleton pattern ensure?
💡 Hint: Think about a scenario where only one object is required.
True or False: The Factory Method pattern is utilized to define an interface for creating objects.
💡 Hint: Consider product creation processes.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Create a simple logging system using the Singleton design pattern and explain its implementation.
💡 Hint: Think about ensuring only one Logger instance exists, regardless of how many threads are accessing it.
Implement an Observer pattern in a stock market application where stock prices update clients.
💡 Hint: Focus on how clients need to react whenever stock prices change.
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