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.

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft 365, Microsoft Office, Collaborative Software, Microsoft Teams, Productivity Software, Endpoint Security, Microsoft Windows, Automation, Microsoft Outlook, Data Loss Prevention, Data Security, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Network Infrastructure, Data Storage, Command-Line Interface, Active Directory, Technical Support and Services, System Configuration, Cyber Security Assessment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Grafana, System Monitoring, Prometheus (Software), Application Performance Management, DevOps, Continuous Monitoring, Docker (Software), Cloud-Native Computing, Containerization, Kubernetes, Microservices, Debugging, Distributed Computing, Data Management
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Music Performance
Beginner · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Data Visualization, Data Manipulation, Data Analysis, Data Import/Export, Data Visualization Software, SQL, Statistical Analysis, Data Cleansing, Data Transformation, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Prompt Engineering, Cloud Infrastructure, Google Cloud Platform, Kubernetes, Google App Engine, Platform As A Service (PaaS), Virtual Machines, Microservices, Containerization, Application Deployment, Cloud Applications, Cloud Computing Architecture, Cloud Computing, Infrastructure Architecture, Cloud-Native Computing, Site Reliability Engineering, Data Storage, Cloud Storage, Infrastructure as Code (IaC)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Preprocessing, Model Deployment, Model Evaluation, Feature Engineering, Microsoft Azure, Applied Machine Learning, Machine Learning, Large Language Modeling, Data Cleansing, Supervised Learning, Data Transformation, Cloud Deployment, Data Ethics, CI/CD, Machine Learning Algorithms, Transfer Learning, Data Quality, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Email Marketing, Social Media Content, Search Engine Optimization, Web Analytics and SEO, Social Media Marketing, Brand Marketing, Branding, Digital Marketing, Marketing Design, Marketing, Content Management Systems
Beginner · Guided Project · Less Than 2 Hours

Michigan State University
Skills you'll gain: Project Design, Feasibility Studies, Climate Change Mitigation, Environmental Monitoring, Sustainability Reporting, Project Accounting, Project Finance, Environmental Science, Policy Analysis, Scientific Methods, Climate Change Programs, Sustainable Development, Market Analysis, Cost Benefit Analysis, Verification And Validation, Estimation, Data Collection
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Video Editing, Adobe Premiere, Post-Production, Animations, Motion Graphics, Video Production, Timelines, Data Import/Export, Graphic and Visual Design, Editing, Multimedia, Cinematography, Music, Quality Assurance, File Management
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic systems, Tool Calling, LangChain, Artificial Intelligence, Prompt Engineering, Model Evaluation, Context Management, Scenario Testing, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks