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.

Microsoft
Skills you'll gain: GitHub Copilot, Microsoft Visual Studio, GitHub, Code Review, Program Development, Software Documentation, Maintainability, Web Development Tools, Technical Documentation, Development Testing, Debugging
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Tidyverse (R Package), Data Manipulation, Data Transformation, R Programming, R (Software), Data Processing, Data Preprocessing, Data Analysis, Statistical Programming, Text Mining, Correlation Analysis
Mixed · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Qualitative Research, Interviewing Skills, Research Methodologies, Case Studies, Data Collection, Research, Analytical Skills, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Convolutional Neural Networks, Deep Learning, Generative AI, Transfer Learning, Image Analysis, Computer Vision, PyTorch (Machine Learning Library), Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Tensorflow, Applied Machine Learning, Machine Learning Methods, Classification Algorithms, Model Training, Model Optimization, Machine Learning, Data Processing, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, PostgreSQL, Server Side, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Systems, Database Management, Model Deployment, Data Validation, Development Environment
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, Debugging, TypeScript, Agentic systems, AI Workflows, Node.JS, OpenAI API, Generative AI, Program Development, Artificial Intelligence, LLM Application, Programming Principles, Tool Calling, Maintainability, Prompt Engineering, Application Frameworks, Javascript, Large Language Modeling, File Systems
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Probability & Statistics, Statistical Software, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Literacy, Statistical Visualization, Data Manipulation
Build toward a degree
Beginner · Course · 1 - 3 Months

Maven Analytics
Skills you'll gain: Microsoft Copilot, Microsoft Excel, Pivot Tables And Charts, Excel Formulas, People Analytics, Data Manipulation, Data Analysis, Data Wrangling, Data Visualization, Artificial Intelligence, Generative AI, Prompt Engineering
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Student-Centred Learning, Instructional Strategies, Education and Training, Community Development, Instructional Design, Diversity Equity and Inclusion Initiatives, Collaboration, Time Management
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity Programs, Diversity and Inclusion, Diversity Awareness, Demography, Workplace inclusivity, Organizational Development, Cultural Diversity, Organizational Effectiveness, Human Resource Strategy
Intermediate · Course · 1 - 3 Months