Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Data Literacy, Color Theory, Data Manipulation, Design Elements And Principles, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Administration, Network Performance Management, Local Area Networks, Hardening, Intrusion Detection and Prevention
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Web Content, Information Architecture, Web Design and Development, Web Development, Front-End Web Development
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Design Thinking, Business Modeling, Entrepreneurship, Value Propositions, New Product Development, Market Opportunities, Gap Analysis, Innovation, Technology Strategies, Strategic Thinking, New Business Development, Engineering Management, Market Analysis, Business Strategies, Competitive Analysis, Sustainable Business, Engineering
Build toward a degree
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Responsible AI, AI Enablement, Data Ethics, Large Language Modeling, Technical Communication, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), Data Persistence, React.js, Version Control, Web Development Tools, Performance Tuning, Full-Stack Web Development, GitHub, Event-Driven Programming, Application Design, Game Design, Webpack, Software Testing, Unit Testing, Software Development, Development Environment, Javascript
Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: TypeScript, Javascript, React.js, Debugging, Integrated Development Environments, Web Development Tools
Intermediate · Guided Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Project Management Institute (PMI) Methodology, Project Management Life Cycle
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Ajax, Javascript and jQuery, Data Validation, JSON, Javascript, Event-Driven Programming, Web Development Tools, Object Oriented Programming (OOP), Debugging
Beginner · Course · 1 - 4 Weeks

Genentech
Skills you'll gain: Clinical Data Management, Clinical Trials, Interactive Data Visualization, Drug Development, Data Presentation, R (Software), Pharmaceuticals, Shiny (R Package), Data Visualization, Statistical Reporting, Data Modeling, R Programming, Technical Communication, Data Manipulation, Statistical Programming, Data Import/Export, Data Transformation, Data Science
Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Professional Networking, Positivity, Design Thinking, Decision Making, Relationship Building, Professional Development, Creative Thinking, Interviewing Skills, Self-Awareness, Negotiation, Personal Development, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cost Management, Cost Estimation, Project Management, Scope Management, Project Controls, Project Closure, Project Implementation, Requirements Management, Project Schedules, Work Breakdown Structure
Beginner · Course · 1 - 4 Weeks