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, MongoDB, Responsive Web Design, Full-Stack Web Development, HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Bootstrap (Front-End Framework), Server Side, Web Design and Development, Frontend Integration, Web Design, Middleware, Web Development, Javascript, Angular, Web Applications, jQuery, Restful API, Semantic Web
Beginner · Specialization · 3 - 6 Months

Universidad de Palermo
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java, Java Programming, Software Design, Programming Principles, Software Development
★ 4.8 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Memory Management, Software Design Patterns, Functional Design, Maintainability
Intermediate · Course · 3 - 6 Months

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Test Tools, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Script Development, Systems Development Life Cycle, Test Data, Technical Communication
★ 4.3 (835) · Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.6 (794) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Code Reusability, Software Development, Object Oriented Design, Development Environment, Integrated Development Environments, Computer Programming, Software Engineering, Programming Principles, Software Design, Computational Logic
★ 4.4 (422) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, User Interface (UI) Design, Application Frameworks
★ 4.4 (22) · Intermediate · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Programming Principles, Functional Design, Java Programming, Other Programming Languages, Performance Tuning, Performance Testing
★ 4.4 (1.8K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Restful API, AI Integrations, Application Deployment, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Java, Development Environment, Image Analysis, Software Development, Computer Vision
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Front-End Web Development, React Redux, React.js, JavaScript Frameworks, Full-Stack Web Development, Web Applications, User Interface (UI), Web Development, UI Components, Code Reusability, Javascript, Event-Driven Programming, Application Programming Interface (API), Dataflow
★ 4.4 (782) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Debugging, Development Environment, Javascript, Computer Programming Tools, Visualization (Computer Graphics), Program Development, JavaScript Frameworks, Computer Graphics, Computer Programming, Graphical Tools, Event-Driven Programming, Interactive Design, Human Computer Interaction, Programming Principles, Data Management, Maintainability
★ 4.1 (937) · Beginner · Course · 1 - 4 Weeks