4.3.1 - TreeMap and NavigableMap
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Practice Questions
Test your understanding with targeted questions
What is a TreeMap?
💡 Hint: Think about how it manages its storage.
What does the ceilingEntry method do?
💡 Hint: Which key do you look above?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Which implementation maintains keys in sorted order?
💡 Hint: Think about the purpose of sorting.
True or False: TreeMap allows null keys.
💡 Hint: Think about how keys are accessed.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Write a Java program to create a TreeMap of student IDs and their names. Implement methods to add entries, retrieve a specific entry, and display all entries sorted by ID.
💡 Hint: Focus on how to declare a TreeMap, iterate through its entries, and add elements.
Compare the performance of TreeMap versus HashMap in handling large datasets. Provide justification based on insertion and retrieval speeds.
💡 Hint: Consider both time complexities and the application requirements in your discussion.
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