Java Map Hierarchy🗺️ Java Map Hierarchy – HashMap, TreeMap, LinkedHashMap Explained ✨ Introduction In Java, the Map interface is part of the Java Collections Framework, but unlike List, Set, and Queue, it doesn’t extend the Collection interface. The Map stores key-va...Jun 28, 2025 · 3 min readmahock.hashnode.dev
Core Java Data Structures and their performance implications (Big O Notation)Part 1: Understanding Performance with Big O Notation Before we dive into what the data structures are, we must understand how to measure them. Big O notation is the language we use to describe the efficiency of an algorithm as the input size (n) gro...Jun 27, 2025 · 5 min readmahock.hashnode.dev
Java Collection FrameworkJava Collection Framework — Master the Basics 🧠 Overview The Java Collection Framework (JCF) is a unified architecture for representing and manipulating collections. It provides ready-to-use classes and interfaces to handle groups of objects efficie...Jun 26, 2025 · 3 min readmahock.hashnode.dev
