Learning Simple Data Structures in Java

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.

Lessons and practices

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

Interested in this course? Learn and practice with Cosmo!

Practice is how you turn knowledge into actual skills.