How to Override the hashCode Method Properly in Java
Discover how the hashCode method in Java works, its contract with equals, and why proper overriding is crucial for collections.
Explore our articles dedicated to the Advanced users of Java.
How to Override the equals Method Properly in Java
Learn how the equals method in Java works, why to override it, and the difference between Object.equals and Objects.equals.
Queue Implementations in Java: A Comparative Analysis
Learn about Java Queue implementations, including LinkedList, PriorityQueue, ArrayDeque, and concurrent queues.
ArrayDeque: Internal Structure, Performance, and Use Cases
Learn how ArrayDeque works in Java. Discover its internal structure, performance, and best use cases with code examples.
PriorityQueue: Internal Structure, Performance, and Use Cases
Learn how PriorityQueue works in Java. Understand its internal heap structure, performance traits, and real-world use cases with examples.
Set Implementations in Java: A Comparative Analysis
1. Introduction The Set interface in Java, part of the Java Collections Framework, models the mathematical concept of a set—a collection of distinct elements. Unlike List, a Set does not…
HashSet in Java: Internal Structure, Performance, and Use Cases
Learn how HashSet works in Java. Understand its internal structure, performance characteristics, and practical use cases.
HashMap in Java: Internal Structure, Performance, and Use Cases
Discover HashMap in Java—learn about its internal structure, performance characteristics, and practical use cases through detailed examples.
Map Implementations in Java: A Comparative Guide
Learn about Map implementations in Java. Compare HashMap, TreeMap, LinkedHashMap, and others to choose the best for your use case.
CopyOnWriteArrayList in Java: Performance, and Use Cases
Explore CopyOnWriteArrayList in Java: thread-safe design, internal structure, performance insights, and practical use cases.