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CodeSignal

Practical Hashing with Sets and Maps in Kotlin

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Overview

Explore Hashing, Dictionaries, and Sets in Kotlin with this course, focusing on implementation, use cases, and algorithmic problem-solving. Gain practical experience to tackle data analysis and management tasks effectively.

Syllabus

  • Unit 1: Exploring Kotlin's HashSet and Its Applications
    • Determining Visitor Presence with HashSet
    • Managing Unique User IDs with HashSet in Kotlin
  • Unit 2: Utilizing Kotlin's HashSet for Efficiency and Uniqueness
    • Audience Overlap Detection
    • Unique User IDs Collection
  • Unit 3: Mastering Unique Elements and Anagram Detection with Kotlin HashSet
    • Find the First Duplicate Word
    • Identifying Anagrams and Summing Lengths
  • Unit 4: Exploring Kotlin's HashMap for Efficient Key-Value Management
    • Determine Average Book Review
    • Remove Product from Inventory in Kotlin
    • Expanding Your Understanding of Maps in Kotlin
    • Building an Inventory System for an Online Bookstore
  • Unit 5: Advanced HashMap Operations in Kotlin
    • Decoding Interstellar Word Frequencies
    • Calculate Total Product Quantity Using a HashMap in Kotlin
  • Unit 6: Algorithmic Problem Solving with Kotlin HashMap
    • Frequent Check-Out Identifier Detection in Library System
    • Catalog Words Using Kotlin

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