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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the Singleton Pattern?
💡 Hint: Think about managing resources.
Question 2
Easy
What is the typical method name used to get the Singleton instance?
💡 Hint: It should be self-descriptive.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main purpose of the Singleton Pattern?
- To allow multiple instances of a class
- To ensure only one instance of a class exists
- To create many instances conditionally
💡 Hint: Focus on the definition of Singleton.
Question 2
True or False: A Singleton can have more than one instance.
- True
- False
💡 Hint: Recall the concept of single instance.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a Singleton class in Java that ensures thread safety without using synchronized methods. Explain your approach.
💡 Hint: Consider both the instance variable and synchronization.
Question 2
Critically assess and provide a solution for testing a Singleton class implementation.
💡 Hint: Think about mocking and isolation for tests.
Challenge and get performance evaluation