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CodeSignal

Learning Simple Data Structures in Java

via CodeSignal

Overview

Explore Java's native data structures like arrays, ArrayLists, and HashMaps. This course strengthens your skills to handle varying data sizes and complexities in coding.

Syllabus

  • Lesson 1: Exploring Java Arrays: Creation, Accessing, and Properties
    • Exploring Array Length and Element Access in Java
    • Tracking Inventory with Multidimensional Arrays in Java
    • Adjust the Code to Access the Last Compartment
    • Interstellar Inventory Display Fix
    • Add Sports Ball Counter to Inventory Management System
    • Managing the Intergalactic Sports Inventory in Java
  • Lesson 2: Exploring Java's Building Blocks: Primitive Types vs. Class Types
    • Updating Account Balance with Class Types in Java
    • Refine Integer Comparisons in Banking Code
    • Troubleshoot the Transaction Equality Check
    • Class Conversion and String Representation in Banking Application
    • Manage Your Finances: A Java Account Balancing Exercise
  • Lesson 3: Adventures in Java: Unveiling ArrayLists
    • Crew Job List Management in Space Exploration
    • Adjust the Starship's Log Temperature for the Second Day
    • Starship Crew List Compilation Error
    • Managing the Starship Crew Roles
    • Space Crew Assembly in Java
  • Lesson 4: Navigating through Java's HashMaps: Keys to Efficient Data Storage
    • Space Expedition Crew Management
    • Update Crew Role Retrieval With Default Value
    • Space Expedition Crew Role Allocator Fix
    • Expand the Spaceship's Food Inventory
    • Space Expedition Crew Age Tracker
  • Lesson 5: Exploring the Universe of HashSet in Java
    • Exploring Unique Celestial Bodies with HashSet in Java
    • Remove an Item from the HashSet
    • Explore the Planetary Set for "Mars"
    • Add a Celestial Object to the Space Log HashSet
    • Stellar HashSet Cataloging

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