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.

Vanderbilt University
Skills you'll gain: Android Development, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, Event-Driven Programming, User Interface (UI), Data Persistence
Mixed · Course · 1 - 4 Weeks

S.P. Jain Institute of Management and Research
Skills you'll gain: Product Strategy, Branding, Marketing Management, Product Lining, Marketing Planning, Target Market, Consumer Behaviour, Product Lifecycle Management, Strategic Marketing, Brand Strategy, Brand Management, Brand Marketing, Marketing Strategies, Product Planning, Product Management, Marketing Strategy and Techniques, Marketing Communications, Communication Planning, Campaign Planning, Market Opportunities
Beginner · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Live Streaming, Multimedia, Emerging Technologies, Market Analysis, Market Share, Photo/Video Production and Technology, Network Routing, Market Opportunities, Cloud Services, Network Protocols, Application Development, Image Analysis, Computer Vision, Business Modeling, Cloud-Based Integration, Video Production, Content Management
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Payroll Reporting, Payroll Tax, Labor Compliance, Compensation Management, Labor Law, Benefits Administration, Compensation and Benefits, Payment Systems, Employee Onboarding, Benefits Enrollment Processes, Income Tax, Tax Compliance, Problem Solving, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wireframing, Figma (Design Software), Layout Design, Prototyping, User Experience, User Experience Design, User Interface and User Experience (UI/UX) Design, Persona (User Experience), Typography, Collaborative Software, User Interface (UI) Design, Graphic and Visual Design, Animations, Color Matching
Mixed · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Project Risk Management, Requirements Management, Project Management, Risk Management, Project Planning, Data Visualization, Agile Methodology, Agile Project Management, Microsoft Excel, Solution Design, Cost Management, Data Presentation, Business Analysis, Interactive Data Visualization, Excel Formulas, Requirements Elicitation, Stakeholder Management, Business Analytics, Data Analysis, Data Validation
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Machine Learning Methods, Supervised Learning, Classification Algorithms, Decision Tree Learning, Data Science, Machine Learning Algorithms, Data Analysis, Machine Learning, Correlation Analysis, Bayesian Network, Algorithms, Artificial Neural Networks, Model Evaluation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, Artificial Intelligence, AI Integrations, User Interface (UI), Python Programming, Context Management, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Computational Logic, Computer Science
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Development Tools, JUnit, Development Testing, Data Ethics, Test Automation, Software Development Methodologies, Dataflow
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Programmable Logic Controllers, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Control Systems, Automation, Simulation and Simulation Software, TCP/IP, Data Storage, Communication Systems, Applied Mathematics, Memory Management
Beginner · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Modeling, Business Intelligence, Microsoft Excel, Business Intelligence Software, Spreadsheet Software, Context Management, Data Manipulation, Time Series Analysis and Forecasting
Beginner · Course · 1 - 3 Months