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.

Skills you'll gain: Transfer Learning, Keras (Neural Network Library), Embeddings, Deep Learning, Image Analysis, Computer Vision, Natural Language Processing, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Linux, Cloud-Native Computing, Network Security, Linux Administration, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Network Troubleshooting, Operating System Administration, Cloud Platforms, Cloud Storage, Linux Commands, Software-Defined Networking, User Accounts, Cloud Infrastructure, Network Monitoring, Threat Modeling, Cloud Services, Data Infrastructure
Build toward a degree
Beginner · Specialization · 3 - 6 Months

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
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

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Programming Principles, Encryption, Data Structures, Virtualization and Virtual Machines, Network Protocols, Distributed Computing, Network Architecture, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Convolutional Neural Networks, Keras (Neural Network Library), Image Analysis, Computer Vision, Tensorflow, Data Preprocessing, Deep Learning, Embeddings, Model Deployment, Applied Machine Learning, Python Programming, Supervised Learning, NumPy, Model Evaluation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Distributed Computing, Content Management Systems, System Configuration
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Product Demonstration, Web Content, Video Production, Presentations, Marketing Materials, Graphic Design, Data Visualization, Company, Product, and Service Knowledge, Video Editing, Web Design, Team Oriented, Storytelling, Content Marketing
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Java, Integrated Development Environments, File I/O, Data Structures, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, AI Security, Machine Learning, Information Privacy, Personally Identifiable Information, Ethical Standards And Conduct, Artificial Intelligence, Data Security, Data Governance, Cybersecurity, Algorithms
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, Financial Trading, Market Data, Portfolio Management, Technical Analysis, Market Trend, Real Time Data, Portfolio Risk, Automation, Artificial Intelligence, Python Programming, Applied Machine Learning, Risk Management
Beginner · Course · 1 - 4 Weeks