HashSet vs. LinkedHashSet vs. TreeSet: When to Use Each | Java Collection Framework

Welcome to this Java Collection Framework tutorial where we dive into the differences between HashSet, LinkedHashSet, and TreeSet! In this video, we'll explore three popular implementations of the Set interface in Java and help you understand when to use HashSet, LinkedHashSet, or TreeSet for your programming needs.

**HashSet:**
- HashSet is an unordered collection that uses a hash table for storage.
- Elements are stored in no particular order, and duplicate values are not allowed.
- HashSet offers constant-time performance for basic operations (add, remove, contains) but does not maintain insertion order.

**LinkedHashSet:**
- LinkedHashSet is an ordered collection that maintains insertion order.
- Elements are stored in the order they were inserted, allowing predictable iteration.
- LinkedHashSet provides performance similar to HashSet but adds overhead for maintaining the linked list of elements.

**TreeSet:**
- TreeSet is a sorted collection that uses a Red-Black tree for storage.
- Elements are stored in ascending order based on their natural ordering or a custom comparator.
- TreeSet offers logarithmic-time performance for basic operations (add, remove, contains) and supports efficient range queries.

In this tutorial, we'll compare HashSet, LinkedHashSet, and TreeSet based on:
- Performance characteristics for various operations (add, remove, contains).
- Memory usage and overhead associated with each collection type.
- Use cases and scenarios where HashSet, LinkedHashSet, or TreeSet is preferred.

By the end of this video, you'll have a comprehensive understanding of HashSet, LinkedHashSet, and TreeSet in the Java Collection Framework, empowering you to make informed decisions when selecting the right set implementation for your Java projects.

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HashSet Vs. LinkedHashSet Vs. TreeSet | Java Collection Framework

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