Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

LearnQuest
Skills you'll gain: Network Monitoring, Network Administration, Network Security, Routing Protocols, Network Troubleshooting, OSI Models, TCP/IP, Computer Networking, General Networking, Network Switches, Command-Line Interface, Network Routing, Networking Hardware, Network Architecture, Local Area Networks, Network Infrastructure, Network Protocols
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Model View Controller, Apple iOS, Apple Xcode, Swift Programming, User Interface (UI), Mobile Development, UI Components, User Interface and User Experience (UI/UX) Design, Application Frameworks, Computer Programming
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, Ajax, Javascript, Data Manipulation, Data Validation, UI Components, HTML and CSS, Scripting, JSON, Scripting Languages, Event-Driven Programming, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Game Design, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Animations, Programming Principles
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Tree Maps, Network Analysis, Computational Thinking, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Java, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Integrated Development Environments, Computational Thinking, Education Software and Technology, Cultural Responsiveness, Digital pedagogy, Test Case, Computational Logic, Pseudocode, Algorithms, Data Structures
Beginner · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Matlab, Data Visualization, Simulation and Simulation Software, Mathematical Modeling, Data Analysis, Engineering Analysis, Data Integration, Programming Principles, Data Manipulation, Data Structures, Computer Programming, Debugging
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Specimen Collection, Specimen Processing, Specimen Preparation, Medical Laboratory, Laboratory Testing, Cell Cultures, Biochemical Assays, Cell Biology, Analytical Chemistry, Laboratory Research, Molecular, Cellular, and Microbiology, Molecular Biology, Biomedical Technology, Laboratory Equipment, Biology
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java, Scalability, Load Balancing, Restful API, Web Applications, File Management
Mixed · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Version Control, Git (Version Control System), GitHub, Collaborative Software, Software Configuration Management, DevOps, Software Development Tools, Linux
Beginner · Course · 1 - 4 Weeks
Instituto Tecnológico de Aeronáutica
Skills you'll gain: JUnit, Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Unified Modeling Language, Unit Testing, Software Engineering, Agile Software Development, Software Design, Software Development, Maintainability, Programming Principles, Eclipse (Software)
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Cloud Hosting, Cloud Computing, Cloud Platforms, Cloud Services, Cloud Deployment, Cloud Technologies, Cloud Infrastructure, Cloud Computing Architecture, Public Cloud, Infrastructure As A Service (IaaS), Managed Services, Serverless Computing, Virtual Machines, Hybrid Cloud Computing, Software As A Service, Microsoft Azure, Platform As A Service (PaaS), Emerging Technologies, Containerization, Scalability
Beginner · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Risk Analysis, Financial Trading, Securities Trading, Investments, Analysis, Financial Market, Tax, Financial Regulations, Capital Markets, Financial Analysis, Risk Mitigation, Financial Industry Regulatory Authorities, Credit Risk, Income Tax, Market Dynamics, Due Diligence, Corporate Finance
Beginner · Course · 1 - 4 Weeks