Data Structures and Algorithms | HashMap | Java | Teckieshare | Part I | Visual Coding
A HashMap (or hash table) is a data structure that maps keys to values for highly efficient lookup. There are a number of ways to implement this data structure. This post is about the simple implementation of HashMaps in Java using an array of a linked list.
In this video, I'm going to explain, the following chapters,
Chapters:
00:00 Introduction
00:56 What is HashMap ?
01:42 Advantages of HashMap
01:59 Implementation
02:20 How HashMap Works ?
03:30 Put Method
04:33 Hashing
06:58 Put Key Verification
09:01 ToString of HashMap
14:00 Collision Detection
14:14 AddressMapping
15:40 Separate Chaining
17:22 Separate Chaining Implementation
source code 👇 https://github.com/im-mani-teckieshar...
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