Java TreeSet Concepts & All Methods | Java Collection Classes | for LeetCode & Placements
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In this session, I have taught Java TreeSet and it's all most Used important methods. Java Collections classes are very important for Placements & mostly for solving DSA problems.
Java's TreeSet is a part of the java.util package. TreeSet is a collection that implements the NavigableSet interface, which extends SortedSet. It stores elements in a sorted, ascending order and doesn't allow duplicates, making it perfect for scenarios where you need a unique set of items that you can access in a specific sequence. TreeSet is backed by a TreeMap, ensuring that all operations, like adding, removing, and searching for elements, are performed in O(log n) time. It's particularly useful when you need to maintain a sorted collection or perform range operations, like finding elements within a specific range. However, remember that TreeSet is slower than HashSet for basic operations due to its sorting feature. So, choose wisely based on your use case!
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