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.

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

Microsoft
Skills you'll gain: Media Relations, Internal Communications, Crisis Management, Strategic Communication, Communication Planning, Public Relations, Media Strategy, Communication Strategies, Stakeholder Communications, AI literacy, AI Integrations, Real Time Data
★ 4.8 (43) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, Unit Testing, Development Testing, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Web Development Tools, Web Applications, Front-End Web Development, JavaScript Frameworks, Hypertext Markup Language (HTML), Development Environment, UI Components, Application Frameworks, Application Development, Javascript, Data Persistence
★ 4.3 (41) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Probability & Statistics, Regression Analysis, Data-Driven Decision-Making, Data Ethics, Statistical Analysis, Statistical Hypothesis Testing, Customer Insights, Analytical Skills, Customer Analysis, Customer Retention, Correlation Analysis, Descriptive Statistics, Data Analysis, Analytics, Statistical Visualization, Statistical Modeling, Predictive Analytics, Descriptive Analytics
★ 4.9 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Innovation, Design Thinking, Intellectual Property, Ideation, Organizational Strategy, Legal Risk, Culture Transformation, Strategic Partnership, Business Strategy, Creative Problem-Solving, Risk Management, Open Mindset, Asset Protection, Business Process, Collaboration
★ 4.8 (18) · Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, Bayesian Statistics, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Regression Analysis, Statistical Methods, Data Analysis, Correlation Analysis, Model Evaluation, Probability Distribution
★ 4.3 (18) · Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Stakeholder Management, Product Management, Stakeholder Engagement, Product Roadmaps, Stakeholder Communications, Competitive Analysis, Product Lifecycle Management, Product Development, New Product Development, Market Research, Product Strategy, Product Planning, Agile Product Development, Market Analysis, Agile Methodology, Product Requirements, Business Strategy, Conflict Management, Communication, Prioritization
★ 4.8 (38) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: GitHub Copilot, Microsoft Visual Studio, GitHub, Microsoft Development Tools, Code Review, Program Development, Software Documentation, Maintainability, AI Integrations, Web Development Tools, Technical Documentation, Development Testing, Test Case, Debugging
★ 4.4 (34) · Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Data Ethics, PyTorch (Machine Learning Library), Model Training, Telecommunications, Tensorflow, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Emerging Technologies, Generative AI, Wireless Networks, Network Performance Management, Digital Communications, Generative AI Agents, Network Architecture, Network Protocols, Computer Networking, System Design and Implementation, Communication
★ 4.4 (14) · Advanced · Specialization · 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)
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks