TreeMap vs ConcurrentSkipListMap in Java – Ordered Concurrent Maps Compared
Compare TreeMap and ConcurrentSkipListMap in Java for ordered key-value storage, concurrency, performance, and use cases with practical code examples
All Tutorials
NavigableMap and NavigableSet in Java – HeadMap, TailMap, and More Explained
Learn how NavigableMap and NavigableSet work in Java with HeadMap, TailMap, descending views, and more. Includes real-world use cases and examples
IdentityHashMap vs WeakHashMap in Java – Identity vs Equality Explained
Learn the difference between IdentityHashMap and WeakHashMap in Java, with internal working, use cases, memory model, and expert-level best practices
Synchronized Collections vs Concurrent Collections in Java – Which One to Use for Thread Safety and Performance?
Understand the differences between synchronized and concurrent collections in Java, with real-world examples, performance benchmarks, and best practices
BlockingQueue and LinkedBlockingQueue in Java – Producer-Consumer Made Easy for High-Concurrency Applications
Learn how BlockingQueue and LinkedBlockingQueue enable robust producer-consumer patterns in Java with real-world examples and concurrency best practices
PriorityBlockingQueue and DelayQueue in Java – Mastering Advanced Concurrent Queues for High-Performance Tasks
Learn how PriorityBlockingQueue and DelayQueue work in Java with real-world examples, performance insights, and best practices for concurrency
ConcurrentHashMap in Java – Segmentation to Bucket Locking Explained
Understand ConcurrentHashMap internals in Java – from segmented locking in Java 7 to bucket locking in Java 8+, with performance benchmarks and real use cases
CopyOnWriteArrayList and CopyOnWriteArraySet in Java – Internal Working, Performance, and Use Cases
Master CopyOnWriteArrayList and CopyOnWriteArraySet in Java with internals, Big-O performance, use cases, Java 8+ features, and best practices
Concurrent Collections in Java – Thread-Safe Alternatives
Learn all about Java's concurrent collections, their thread-safe implementations, performance benchmarks, and best practices for multithreaded apps
Java Collections and Big-O Time Complexity – Performance Guide for Every Data Structure
Learn how Java Collections perform under the hood. Explore Big-O complexities for List, Set, Map, and Queue with real-world guidance and Java 8–21 updates.