4.8 - Best Practices and Performance Tips
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Practice Questions
Test your understanding with targeted questions
What is the advantage of using ArrayList over a linked list?
💡 Hint: Consider how data is stored in an array.
Why should you avoid premature synchronization on collections?
💡 Hint: Think about what synchronization does.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which collection is more suitable for frequent read operations?
💡 Hint: Consider read versus write frequencies.
True or False: Synchronizing collections always improves their performance.
💡 Hint: Think about when synchronization might be beneficial.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Implement a Java program that uses both HashMap and TreeMap. Compare their performance with different data sets.
💡 Hint: Focus on different loads and types of data.
Design a generic class that manages a collection of items, including methods for adding and retrieving items with wildcards and demonstrate its use.
💡 Hint: Make sure to implement wildcards correctly.
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