Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

LearnQuest
Skills you'll gain: Reinforcement Learning, Responsible AI, Agentic systems, Artificial Intelligence, Machine Learning Methods, Distributed Computing, Simulations, Transfer Learning
Beginner · Course · 1 - 4 Weeks
Imperial College London
Skills you'll gain: Logo Design, Computer Graphics, Visualization (Computer Graphics), 3D Assets, Android Development, Augmented and Virtual Reality (AR/VR), Android Studio, Computer Graphic Techniques, Animations
Intermediate · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Computational Thinking, JSON, Application Deployment, Data Structures, Javascript, Application Development, Analytics, HTML and CSS, Data Analysis, Code Review, Software Development, Data Visualization Software, Web Development, Web Applications, Scripting, Prototyping, Data Processing, Programming Principles, Unsupervised Learning, Computer Programming
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Code Review, Process Driven Development, Software Development Tools, AI Workflows, Program Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Development, Continuous Deployment, Development Environment, Application Deployment, Cloud Deployment, Docker (Software), Containerization, ASP.NET, Platform As A Service (PaaS), Scalability, Microsoft Visual Studio, Web Applications, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Web Development, Software Testing, Test Automation, Development Testing, WordPress, Javascript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Data Analysis, Data Processing, Query Languages, Unstructured Data, Data Transformation, Data Cleansing, Scripting
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Encryption, Cryptography, Security Engineering, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Emerging Technologies, Forecasting, Critical Thinking, Augmented and Virtual Reality (AR/VR), Strategic Thinking, Technology Strategies, Strategic Leadership, AI Enablement, Business Transformation, Data-Driven Decision-Making, Systems Thinking, Innovation, Storytelling, Thought Leadership, Scenario Testing, Decision Making, Artificial Intelligence, Virtual Reality, Probability & Statistics
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Application Programming Interface (API), Object-Relational Mapping, JavaScript Frameworks, Integrated Development Environments, Front-End Web Development, YAML, Web Applications, Web Development Tools, Back-End Web Development, Data Access, User Interface (UI), MongoDB, UI Components, Application Frameworks, Databases
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Feature Engineering, AWS Kinesis, Fraud detection, Amazon Web Services, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Cloud Deployment, Data Cleansing, Data Processing, Data Wrangling, Data Integrity, Machine Learning, Machine Learning Algorithms, Data Modeling, Supervised Learning, Data Mining, Random Forest Algorithm, Data Management, Unsupervised Learning
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Stakeholder Communications, Stakeholder Management, Stakeholder Analysis, Communication Planning, Stakeholder Engagement, Public Relations, Public Affairs, Performance Reporting, Report Writing, Strategic Communication, Marketing Effectiveness, Community Outreach, Performance Metric, Data Storytelling, Presentations, Relationship Building, Data Visualization
Beginner · Course · 1 - 4 Weeks