HashMap Courses and Certifications

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
• On-Demand
• Free Certificate

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

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

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)

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
• 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
• 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
• On-Demand
• Free Certificate

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
• 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
• On-Demand
• Free Certificate

Microcredential

Java Programming for Beginners

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
• On-Demand
• Free Certificate
• 7 courses

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

2915 ratings at Udemy

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

• Udemy
• 23 hours 10 minutes
• On-Demand
• Paid Course

From Python to Rust

Explore the transition from Python to Rust, covering fundamental concepts, string manipulation, functions, modules, and data structures like dictionaries and HashMaps.

• YouTube
• 1 hour 30 minutes
• On-Demand
• Free Video

Amigoscode

Getting Started with Spring Boot

Learn to build a multi-tier Spring Boot application with REST API, dependency injection, and DAO pattern. Covers controller, service, and data access layers, with practical implementation and deployment tips.

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

Zenva

Java Programming Tutorial

Learn Java basics, from installation to classes and objects, with hands-on tutorials covering variables, strings, HashMaps, and more. Ideal for beginners seeking a solid foundation in Java programming.

• YouTube
• 1 hour 30 minutes
• On-Demand
• Free Video

Great Learning

Hashing in Java

Explore Java hashing concepts, including collision handling, HashTable, HashMap, LinkedHashMap, HashSet, and LinkedHashSet. Learn implementation techniques and problem-solving strategies.

• YouTube
• 1 hour 10 minutes
• On-Demand
• Free Video