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.

Duke University
Skills you'll gain: CI/CD, Automation, GitHub, YAML, DevOps, Software Testing
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Test Tools, Selenium (Software), Test Driven Development (TDD), Unit Testing, Acceptance Testing, Performance Testing, Functional Testing, Test Automation, Usability Testing, Application Programming Interface (API), User Interface (UI), Test Case, API Design, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), Responsive Web Design, User Interface and User Experience (UI/UX) Design, Digital Design, Web Design, Graphic and Visual Design, User Experience, Motion Graphics, Adobe XD, Graphic Design, Animations, Prototyping, Typography, Visual Design, Design, Design Elements And Principles, Augmented and Virtual Reality (AR/VR), Style Guides, Storytelling, Creative Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Change Management, Organizational Change, Process Development, Leadership Studies, Business Transformation, Organizational Leadership, Adaptability, Stakeholder Management, Stakeholder Engagement, Communication Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, MLOps (Machine Learning Operations), Applied Machine Learning, Machine Learning, Responsible AI, Performance Measurement, Predictive Modeling, Leadership and Management, Predictive Analytics, Data Processing, Fraud detection, Business Leadership, Business Transformation, Data-Driven Decision-Making, Business Priorities, Data Science
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Lean Manufacturing, Lean Methodologies, Lean Six Sigma, Kaizen Methodology, Operational Efficiency, Performance Measurement, Manufacturing Operations, Quality Improvement, Operational Excellence, Business Process, Quality Management, Process Improvement, Performance Metric, Waste Minimization, Kanban Principles, Quality Control, Six Sigma Methodology, Continuous Improvement Process, Quality Assurance and Control, Business Metrics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Applications, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Scripting Languages, Computer Programming, Javascript, Database Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Agile Project Management, Scrum (Software Development), Sprint Planning, Scaled Agile Framework, Sprint Retrospectives, Agile Software Development, Agile Methodology, Team Management, Project Management Institute (PMI) Methodology, Team Performance Management, Agile Product Development, Backlogs, Kanban Principles, Project Management, Planning, User Story, Lean Methodologies, Continuous Delivery, Risk Management Framework, Product Management
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Feature Engineering, Data Analysis, Predictive Modeling, Data Processing, Data Wrangling, Statistical Modeling, Statistics, Data Science, Data Collection, Applied Machine Learning, R Programming, Research, Supervised Learning, Data Validation, Technical Communication, Python Programming
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Generative AI Agents, Agentic systems, LLM Application, Generative AI, Large Language Modeling, Artificial Intelligence, Tool Calling, Prompt Engineering, Software Design Patterns
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Web Content, Information Architecture, Web Design and Development, Web Development, Front-End Web Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Generative AI Agents, Automation, No-Code Development, Prompt Engineering, MLOps (Machine Learning Operations), Process Optimization, System Monitoring, Performance Analysis, Performance Management
Intermediate · Course · 1 - 4 Weeks