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.

Packt
Skills you'll gain: Root Cause Analysis, Six Sigma Methodology, Lean Six Sigma, Quality Improvement, Quality Management, Kaizen Methodology, Lean Methodologies, Quality Management Systems, Process Improvement, Pareto Chart, Quality Control, Statistical Process Controls, Data Analysis, Analysis, Microsoft Excel, Correlation Analysis, Diagram Design, Prioritization
Intermediate · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Microsoft Teams, File Management, Productivity Software, Calendar Management, Microsoft Outlook, Document Management, Organizational Skills, Meeting Facilitation, Collaboration, Productivity, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Data Management, Presentations, Data Entry, Business
Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Object-Relational Mapping, Web Services, JavaScript Frameworks, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, Database Application, User Interface (UI), Context Management, Application Programming Interface (API), Databases
Intermediate · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Shell Script, Command-Line Interface, Software Configuration Management, Bash (Scripting Language), Devops Tools, Software Installation, Configuration Management, Collaborative Software, Code Review, File Systems, Development Environment, Web Presence, Software Documentation
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Programming Principles, Application Development
Beginner · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications, Program Development
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Regression Analysis, Data Ethics, Statistical Methods, Statistical Hypothesis Testing, Data Science, R Programming, Statistical Programming, Statistical Analysis, Predictive Modeling, Predictive Analytics, Probability & Statistics, Correlation Analysis, Model Evaluation, Plot (Graphics)
Build toward a degree
Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Storytelling, Needs Assessment, Courage, Initiative and Leadership, Leadership, Compassion, Education and Training, Professionalism, Entrepreneurship, Social Impact, Philanthropy, Empowerment, Innovation, Personal Integrity, Leadership Development, Community Development, Organizational Development, Teaching, Habit Formation, Community Outreach
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Governance, Law, Regulation, and Compliance, Governance, Incident Response, Regulatory Compliance, Data Security, Accountability, Compliance Management, Data Processing, Data Sharing, Data Access, Legal Risk
Intermediate · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Data-Driven Decision-Making, Strategic Decision-Making, Leadership Studies, Data Literacy, Organizational Leadership, Strategic Leadership, Leadership, Decision Making, Organizational Effectiveness, Digital Transformation, Leadership and Management, Leadership Development, Data Quality, Professional Development, Agile Methodology, Storytelling, Organizational Structure, Portfolio Management, Critical Thinking
Intermediate · Course · 1 - 4 Weeks