HashMap Courses and Certifications

Trevor Sullivan

Rust HashMap and HashSet Collection Types

Learn Rust's HashMap and HashSet types for efficient data management, exploring creation, manipulation, and unique features of these versatile collection structures.

• YouTube
• 36 minutes
• On-Demand
• Free Video

Java HashMaps in Practice: Revision and Application

Master HashMap implementation in Java through practical exercises focused on data counting, aggregation, and real-world library management scenarios.

• CodeSignal
• 4 hours
• On-Demand
• Free Certificate

CodeHelp - by Babbar

Hashmaps in C++ - C++ Placement Series

Comprehensive exploration of hashmaps in C++, covering implementation, STL usage, hash functions, collision handling, and practical applications for efficient data storage and retrieval.

• YouTube
• 1 hour 3 minutes
• On-Demand
• Free Video

Microcredential

Java Programming for Beginners

1143 ratings at CodeSignal

Master Java programming fundamentals through hands-on practice with syntax, data structures, loops, debugging, string manipulation, functions, and object-oriented concepts for building robust applications.

• CodeSignal
• 12 hours
• On-Demand
• Free Certificate
• 7 courses

Data Structures & Algorithms II: Binary Trees, Heaps, SkipLists and HashMaps

7 reviews

Explore nonlinear data structures like trees, heaps, skiplists, and hashmaps. Learn implementation, operations, and algorithms for efficient data management and retrieval in Java.

• edX
• 5 weeks, 9-10 hours a week
• On-Demand
• Free Online Course (Audit)

Learning Simple Data Structures in Java

Master fundamental Java data structures from arrays to HashSets, building practical skills for efficient data management through space-themed programming exercises and real-world applications.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Hashing, Dictionaries, and Sets in Java

Master Java's hashing mechanisms, HashMaps, and HashSets while building practical applications for data management, visitor tracking, and algorithmic problem-solving through hands-on exercises.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Mastering Task Decomposition in Java

Master Java task decomposition techniques to break down complex coding problems into manageable components, from matrix operations to nested data structures and JSON parsing.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Mastering Algorithms: HashMaps, Two Pointers, and Beyond in Java

Master advanced Java algorithms through hands-on practice with HashMaps, HashSets, and two-pointer techniques. Build efficient solutions for real-world programming challenges while optimizing data structure implementations.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Exploring Data Structures in Rust

Master Rust's essential data structures including tuples, arrays, vectors, hash sets, and hash maps while learning ownership rules, indexing operations, and efficient data management techniques.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Mastering Complex Data Structures in Java

Master advanced Java data structures including arrays, sets, maps, and compound structures while learning efficient data management techniques for complex programming scenarios.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Applying Advanced Data Structures in Practice

Master advanced Java data structures through hands-on practice with lists, maps, and sets while building real-world applications like address books and employee management systems.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Revisiting Scala Maps and Their Practical Application

Master map data structures in Scala for counting, aggregation, and real-world applications like library management systems and inventory tracking.

• CodeSignal
• 4 hours
• On-Demand
• Free Certificate

Practical Hashing with Sets and Maps in Kotlin

Master hashing fundamentals with HashSet and HashMap in Kotlin through hands-on projects covering data analysis, inventory management, and algorithmic problem-solving techniques.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Algorithms Data Structures in Java #1 (+INTERVIEW QUESTIONS)

3177 ratings at Udemy

Basic Algorithms and Data Structures: AVL tree, Binary Search Trees, Arrays, B Trees, Linked Lists, Stacks and HashMaps

• Udemy
• 21 hours 57 minutes
• On-Demand
• Paid Course