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Topic 5: Collections Framework

Deep dive into Java's Collections Framework - the backbone of data structure handling in Java applications.


Topic Structure

Document Purpose Status
Topic Note Course notes from Tim Buchalka In Progress
Book Reading Effective Java insights In Progress
Summary Combined final understanding To Do

What You'll Master

  • List Implementations - ArrayList, LinkedList, Vector
  • Set Implementations - HashSet, LinkedHashSet, TreeSet
  • Map Implementations - HashMap, LinkedHashMap, TreeMap, ConcurrentHashMap
  • Queue & Deque - PriorityQueue, ArrayDeque
  • Collection Algorithms - Sorting, searching, shuffling
  • Internal Implementations - Hash tables, Red-Black trees

Resources

Primary Course

Book Reference

  • Effective Java by Joshua Bloch - Items on Collections
  • Core Java Volume I by Cay S. Horstmann - Collections Chapter

Key Internals to Understand

  • HashMap internal implementation (hash function, buckets, collision resolution)
  • ArrayList vs LinkedList performance characteristics
  • How TreeMap maintains sorted order (Red-Black tree)
  • ConcurrentHashMap lock striping technique

Progress Tracker

  • Complete Tim's course sections on Collections
  • Read Effective Java collection items
  • Write topic notes
  • Complete book reading notes
  • Synthesize final summary
  • Implement custom collection use cases

Start Date: | Target Completion: