Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Video Game Development, Web Applications, Programming Principles, Data Storage Technologies, Scripting Languages, Data Persistence, Computer Programming, Data Storage, Computational Logic, Front-End Web Development, Web Development
★ 4.7 (150) · Beginner · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Serverless Computing, Cloud API, Restful API, Node.JS, Microsoft Azure, Application Programming Interface (API), API Design, API Testing, Network Routing, Application Deployment
★ 4.5 (112) · Beginner · Guided Project · Less Than 2 Hours

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

LearnQuest
Skills you'll gain: Microservices, Spring Boot, Software Architecture, API Gateway, Spring Framework, Cloud-Native Computing, Service Oriented Architecture, Load Balancing, Systems Architecture, Cloud Computing, Software Design Patterns, Scalability, Restful API, Service Management, Network Routing
★ 4.3 (76) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Robotics, Machine Controls, Automation Engineering, Programmable Logic Controllers, Control Systems, Automation, Simulation and Simulation Software, Manufacturing Processes, Simulations, Industrial Engineering, Equipment Design, Internet Of Things, Matlab, Electronic Components, Engineering, Scientific, and Technical Instruments, Process Control
★ 4.5 (126) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Google Docs, Microsoft Word, Microsoft Office, Document Management, Productivity Software, Office Administration, Editing, Writing and Editing, Writing, Cloud Applications
★ 4.7 (129) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IBM Cognos Analytics, Data Visualization, Dashboard, Dashboard Creation, Business Intelligence, Interactive Data Visualization, Data Presentation, Looker (Software), Data Visualization Software, Business Intelligence Software, Analytics
★ 4.6 (39) · Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Text Mining, Data Mining, Unstructured Data, Data Preprocessing, Data Processing, Natural Language Processing, Classification Algorithms, Analytics, Java, Unsupervised Learning, Feature Engineering, Machine Learning Methods, Supervised Learning
★ 3.9 (40) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Email Automation, Workflow Management, Agentic Workflows, AI Workflows, No-Code Development, Deepseek, LLM Application, Generative AI Agents, Large Language Modeling, Generative AI, Automation, Application Deployment, AI Integrations, Google Sheets, Context Management, Gmail, Software Installation
★ 4.1 (45) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Java Programming, Java, Application Frameworks, Java Platform Enterprise Edition (J2EE), Maintainability, Scalability, Extensible Markup Language (XML)
★ 3.4 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Object Oriented Design, Debugging, UI Components, User Interface (UI), Apache Maven, Software Design, Java Programming, Design Thinking, Object Oriented Programming (OOP), Program Development, Application Design, Build Tools, Integrated Development Environments, Software Development Tools, Eclipse (Software), Data Validation, Version Control, Data Import/Export, Java
★ 4.7 (72) · Intermediate · Specialization · 1 - 3 Months

Indian School of Business
Skills you'll gain: Financial Statements, Financial Statement Analysis, Income Statement, Portfolio Management, Financial Accounting, Balance Sheet, General Finance, Investments, Portfolio Risk, Entrepreneurial Finance, Investment Management, Securities Trading, Financial Trading, Cash Flows, Financial Market, Market Dynamics, Market Data, Return On Investment, Risk Analysis, Risk Management
★ 3.4 (14) · Beginner · Course · 1 - 4 Weeks