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.

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming, Web Services, Prototyping, Network Protocols
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Supervised Learning, Computer Vision, Machine Learning Methods, Matplotlib, Data Visualization, Probability & Statistics, Deep Learning, Statistical Machine Learning, Artificial Intelligence, Plotly, Statistical Analysis, Data Visualization Software, Statistical Hypothesis Testing, Machine Learning, Seaborn, Data Science, Programming Principles, Python Programming, Applied Machine Learning, Statistical Inference
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Transaction Processing, Event-Driven Programming, Front-End Web Development, JavaScript Frameworks, Development Environment, Web Development, Web Applications, Secure Coding, React.js, Application Development, Javascript, Real Time Data
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Regression Analysis, Statistical Methods, Predictive Modeling, Statistical Analysis, Classification And Regression Tree (CART), Data Science, R Programming, Probability & Statistics, Supervised Learning, Machine Learning, Applied Machine Learning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Social Studies, Socioeconomics, Economic Development, Social Sciences, Research, World History, Economics, Social Justice, Political Sciences
Mixed · Course · 1 - 3 Months

Skills you'll gain: Internet Of Things, Automation, Data Management, Systems Architecture, Hardware Architecture, Network Protocols, Interoperability, Information Systems Security, Integration Testing, Emerging Technologies, Communication Systems, Systems Design, Analytics, Real Time Data
Beginner · Course · 1 - 4 Weeks

Epic Games
Skills you'll gain: Game Design, Video Game Development, Prototyping, Unreal Engine, System Design and Implementation, Creativity, User Interface (UI), Storytelling
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Scraping, Relational Databases, Statistical Software, Data Import/Export, R Programming, MySQL, Data Capture, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Regression Analysis, Correlation Analysis, Statistical Analysis, R (Software), Data Modeling
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Prompt Patterns, Prompt Engineering Tools, LangChain, Generative AI, LLM Application, Large Language Modeling, OpenAI, Data Synthesis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Data Analysis Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Marketing Budgets, Customer experience strategy (CX), Customer experience improvement, Cross-Channel Marketing, Digital Media Strategy, Digital Marketing, Digital Transformation, Marketing Planning, Marketing Effectiveness, MarTech, Marketing Strategy and Techniques, Customer Insights, Return On Investment, Agile Methodology, Consumer Behaviour, Strategic Thinking, Key Performance Indicators (KPIs), Social Media, Social Media Management
Beginner · Course · 1 - 4 Weeks