Hashing, Dictionaries, and Sets in Java | CodeSignal Learn

Mastering Algorithms and Data Structures in JavaHashing, Dictionaries, and Sets in Java

Hashing, Dictionaries, and Sets in Java

Delve into Hashing, HashMaps, and HashSets in Java with this specialized course, exploring implementation, practical applications, and algorithmic problem-solving. Gain hands-on experience to confidently address data analysis and management challenges.

Lessons and practices

Lesson 1: Mastering Java HashSet: An In-depth Exploration of Implementation and Complexity Analysis

Tracking Unique Website Visitors with HashSet

Visitor Log Update with HashSet

Unique Visitor Tracker in Java

Lesson 2: Efficiency in Action: Operating HashSets in Java

Identifying Overlapping Visitors between Two Blogs

Removing Duplicate Email Addresses from an Array

Lesson 3: Mastering Unique Elements and Anagram Detection with Java HashSets

Unearthing the Lone Space Crew ID

Cosmic Anagram Distance Calculator

Lesson 4: Diving into HashMaps: Understanding Implementation and Complexity Analysis in Java

Retrieving Reviews from the Bookstore Inventory

Removing a Book from the Inventory HashMap

Inventory Expansion: Adding a New Book to the HashMap

Crafting a HashMap for Book Inventory Management

Lesson 5: Mastering Java HashMaps: A Guide to Efficient Data Management

Deciphering Galactic Word Frequencies

Calculating Total Product Quantity in a Store Using HashMap

Lesson 6: Mastering HashMaps for Efficient Problem Solving in Java Algorithmic Interviews

Identifying Frequent Website Visitors

Interstellar Word Frequency Catalog with HashMaps

Interested in this course? Learn and practice with Cosmo!

Practice is how you turn knowledge into actual skills.