Practice Behavioral Patterns (11.2.3) - Design Patterns in Java - Advance Programming In Java

Practice: Behavioral Patterns

Lesson 11.2.3Design Patterns in Java

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9 questions

Flashcard drill
3 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the Observer Pattern achieve in software design?
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Think about events where multiple subscribers need to be informed.
Question 2.
What does encapsulating a request as an object help to achieve?
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Consider how commands can be packaged to be executed later.
3Question 3.
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
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Think about notification systems and updates.
4Question 4.
True or False: The Strategy Pattern promotes tight coupling between algorithms.
- True
- False
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Remember the idea of interchangeable components.
Question 5.
Create a class diagram representing the Observer Pattern with at least three observers and one subject.
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Think about how you would visualize each relationship in UML.
Question 6.
Design a small project using the Strategy Pattern in a game context. Describe the strategies and the decision-making process.
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Consider how strategies influence gameplay and player experience.

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