Java Video Lecture 19 - Cryptographic Hashing

In this final Java lecture, we learn about hashing and its uses in programming, and differentiate it from the separate concept of encryption. Java Video Lectures: https://www.youtube.com/playlist?list=PLfs32wBMG5xBZp8ZpE9ojtAYvmMCIj8SJ Liang Textbook: https://www.amazon.com/Introduction-Programming-Structures-Comprehensive-Version-dp-0136520154/dp/0136520154/ref=dp_ob_title_bk Intro: 0:00 What is Hashing?: 0:47 Characteristics of Hashing: 1:33 Uses of Hashing: 3:07 Hash Tables: 4:17 How to deal with collisions in hash tables: 5:34 Hash Table as a Database Organization: 7:13 Key-Value NoSql Databases: 10:26 Key-Value Data Structures in Programming Languages: 11:34 Some Key-Value Classes in Java: 12:33 UML Depictions of Java Map Classes: 13:16 Cryptographic Hashing: 13:31 Cryptographic Hashing is not Encryption: 16:00 Java Classes for Cryptographic Hashing: 18:00 Assignment: 18:48 Assignment- Test a Password: 19:37 Assignment- Read User File: 22:00 Assignment- List Users: 25:56 Assignment- User Login: 26:15 Assignment- Add User: 30:16 Assignment- Write User File: 32:13 SHA-256 in Java: 33:52 Sample Code: 38:36 Recap Assignment Requirements: 43:20