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 Colorado System
Skills you'll gain: Game Design, Video Game Development, Animations, Graphics Software, No-Code Development, Development Environment, Scripting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), JavaScript Frameworks, Front-End Web Development, Unit Testing, UI Components, Web Development Tools, Ajax, Javascript, User Interface (UI), Software Testing, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Web Development Tools, Debugging, Javascript, Integrated Development Environments, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Ggplot2, Tidyverse (R Package), Data Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Manipulation, R (Software)
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, Semantic Web, Cascading Style Sheets (CSS), Javascript
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Product Lifecycle Management, Innovation, Global Marketing, Business Strategy, New Product Development, Market Analysis, Market Opportunities, Competitive Analysis, Technology Strategies, Strategic Thinking, Risk Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of the Arts London
Skills you'll gain: PyTorch (Machine Learning Library), Artificial Intelligence, Creativity, Artificial Intelligence and Machine Learning (AI/ML), Creative Thinking, Generative AI, Artificial Neural Networks, Responsible AI, Creative Problem-Solving, Creative Design, Machine Learning Methods, Data Ethics, Deep Learning, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, JSON, Program Development, Data Structures, Code Review, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), Scalability
Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, CI/CD, Application Lifecycle Management, Software Documentation, Application Performance Management, Microservices
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Product Lifecycle Management, Enterprise Architecture, AI Product Strategy, Product Management, Responsible AI, Innovation, New Product Development, Product Strategy, User Research, Scalability, Design Thinking, Lean Methodologies, Project Portfolio Management, Agile Product Development, Governance, Product Development, Product Roadmaps, User Centered Design, Resource Management, Brand Management
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Data Science, Statistical Methods, Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Corporate Strategy, Business Ethics, Organizational Strategy, Sustainable Business, Business Strategy, Philanthropy, Governance Risk Management and Compliance, Governance, Compliance Management, Strategic Sourcing, Procurement, Stakeholder Engagement, Law, Regulation, and Compliance, Ethical Standards And Conduct, Sustainability Reporting, Business Risk Management, Diversity and Inclusion
Mixed · Course · 1 - 4 Weeks