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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are two examples of legacy synchronized collections?
💡 Hint: Think of collections you've previously encountered that ensure thread safety.
Question 2
Easy
Why might legacy collections lead to performance issues?
💡 Hint: Consider situations where many threads are trying to access data.
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
Which of the following collections is synchronized?
- ArrayList
- Vector
- HashMap
💡 Hint: Think of collections that allow multiple threads to access safely.
Question 2
True or False: ConcurrentHashMap is less efficient than Hashtable in high-load scenarios.
💡 Hint: Consider how each collection handles concurrent access.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Evaluate the impact of using a legacy synchronized collection for concurrent access in a banking application. What issues might arise?
💡 Hint: Consider high volumes of simultaneous transactions.
Question 2
Design an application that would need both legacy synchronous collections and modern alternatives. Explain the rationale behind your choices.
💡 Hint: Think about different components that would benefit from thread safety.
Challenge and get performance evaluation