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4 cards from this section. Quick, good the night before a test.
What is a TreeMap?
Think about how it manages its storage.
What does the ceilingEntry method do?
Which key do you look above?
Which implementation maintains keys in sorted order?
Think about the purpose of sorting.
True or False: TreeMap allows null keys.
Think about how keys are accessed.
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.
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.
Consider both time complexities and the application requirements in your discussion.
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