Practice Real-world Applications Of Design Patterns In Java (11.6) - Design Patterns in Java

Practice: Real-world Applications of Design Patterns in Java

Lesson 11.6Design Patterns in Java

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10 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the Singleton pattern used for?
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Think about scenarios where a single instance is sufficient.
Question 2.
Provide one use case for the Factory Method pattern.
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Consider applications that require various visual elements.
3Question 3.
What does the Singleton pattern ensure?
- Multiple instances
- No instances
- A single instance
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Think about a scenario where only one object is required.
4Question 4.
True or False: The Factory Method pattern is utilized to define an interface for creating objects.
- True
- False
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Consider product creation processes.
Question 5.
Create a simple logging system using the Singleton design pattern and explain its implementation.
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Think about ensuring only one Logger instance exists, regardless of how many threads are accessing it.
Question 6.
Implement an Observer pattern in a stock market application where stock prices update clients.
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Focus on how clients need to react whenever stock prices change.

6 more questions in this section. Enroll free to practise them all.