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CodeSignal

Hashing, Dictionaries, and Sets in Java

via CodeSignal

Overview

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.

Syllabus

  • 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

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