Java courses can help you learn object-oriented programming, data structures, exception handling, and multithreading concepts. 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.
Skills you'll gain: Node.JS, Restful API, Database Design, Front-End Web Development, React Redux, Ajax, Database Development, Database Application, Server Side, Back-End Web Development, Databases, NoSQL, Javascript, Full-Stack Web Development, React.js, Performance Tuning, Data Structures, MongoDB, Debugging, JavaScript Frameworks
★ 4.4 (1.5K) · Beginner · Specialization · 3 - 6 Months

The Skill Valley
Skills you'll gain: Front-End Web Development, Web Design and Development, Debugging, Cascading Style Sheets (CSS), Web Applications, Ajax, Javascript and jQuery, Geospatial Mapping, Javascript, Data Visualization, Event-Driven Programming, Data Mapping, HTML and CSS, Web Development, Application Development, Data Validation, Real Time Data, Data Manipulation, Data Processing, Event Management
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Javascript, Responsive Web Design, Ajax, Front-End Web Development, Web Applications, Bootstrap (Front-End Framework), Web Design, Hypertext Markup Language (HTML), Web Development, Web Design and Development, Web Development Tools, Development Environment, JSON, Frontend Performance, Object Oriented Programming (OOP), Event-Driven Programming, User Experience Design, Server Side
★ 4.7 (17K) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Object Oriented Design, Test Automation, Hypertext Markup Language (HTML), Software Testing, Test Script Development, Integrated Development Environments, Test Data, Test Tools, Browser Compatibility, Computer Programming, Web Development, Programming Principles, Development Environment
★ 4.4 (36) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Android Studio, Restful API, Version Control, GitHub, Jest (JavaScript Testing Framework), Git (Version Control System), Data Structures, Kotlin, User Interface (UI), User Interface and User Experience (UI/UX) Design, Android Jetpack, Android Development, Figma (Design Software), User Experience Design, Unix Commands, User Centered Design, Mobile Development, Code Reusability, Javascript
★ 4.6 (9.3K) · Beginner · Professional Certificate · 3 - 6 Months

IBM
Skills you'll gain: Prompt Engineering, Unit Testing, Software Development Life Cycle, Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Software Architecture, Responsible AI, Computer Vision, LangChain, LLM Application, Javascript, Full-Stack Web Development, IBM Cloud, Data Ethics, Python Programming, Application Deployment, Software Development, Machine Learning, Data Science
★ 4.6 (83K) · Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Databases, Data Persistence, Java, Data Manipulation, Data Mapping, Java Programming, JUnit, Object Oriented Programming (OOP), Data Integrity
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Wireframing, Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Javascript, Bootstrap (Front-End Framework), Web Design and Development, Debugging, Web Language, Front-End Web Development, Verification And Validation, Web Development, Interactive Design, Event-Driven Programming, Development Testing, Application Frameworks, Code Review
★ 4.7 (36K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Spring Boot, Unit Testing, Frontend Integration, Microservices, Application Development, Spring Framework, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, Application Design, NoSQL, Ajax, Data Persistence, Web Development, Web Applications
★ 4.6 (99) · Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering
★ 4.2 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Plot (Graphics), JSON, NumPy, Scientific Visualization, Jupyter, Data Visualization Software, Data Visualization, Data Presentation, Seaborn, Interactive Data Visualization, Performance Tuning, Distributed Computing, Numerical Analysis, Data Science, Javascript, Analytics, Productivity, Analysis, Research
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: React Native, Mobile Development, User Interface (UI) Design, Front-End Web Development, React Redux, Ajax, User Interface (UI), User Interface and User Experience (UI/UX) Design, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, Mobile Development Tools, UI Components
★ 4.4 (990) · Beginner · Specialization · 3 - 6 Months