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: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
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
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), HTML and CSS, UI Components, User Interface (UI), Front-End Web Development, Responsive Web Design, JavaScript Frameworks, Web Design, Web Development, Web Applications, Hypertext Markup Language (HTML), Full-Stack Web Development, Cascading Style Sheets (CSS), General Networking, Back-End Web Development, React.js, Javascript
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object-Relational Mapping, Spring Framework, Hibernate (Java), Apache Maven, Model View Controller, Relational Databases, Database Design, MySQL, Java Programming, Databases, Web Applications, Java Platform Enterprise Edition (J2EE), Application Frameworks, Java, Full-Stack Web Development, Database Application, Authentications, Object Oriented Design, Back-End Web Development, Object Oriented Programming (OOP)
Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Git (Version Control System), Version Control, Android Development, File I/O, Android (Operating System), Android Studio, Mobile Development, Data Persistence, Java Programming, Application Development, Event-Driven Programming, Computer Programming
Mixed · Course · 1 - 3 Months

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
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Computer Programming, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Prompt Engineering, Vibe coding, Prompt Engineering Tools, Prompt Patterns, Integrated Development Environments, Context Engineering, Application Development, Full-Stack Web Development, Embeddings, Continuous Integration, AI Integrations, Code Review, Software Development, Web Development, Web Applications, Software Documentation, Software Engineering, Software Testing, Software Design, Building Codes
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, UI Components, Programming Principles, Game Design, User Interface (UI), Integrated Development Environments, Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, Restful API, Authentications, Test Automation, Test Script Development, Application Programming Interface (API), Software Testing, Authorization (Computing), Java Programming, Java, User Accounts
Mixed · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Vibe coding, Code Review, Continuous Integration, Integrated Development Environments, Prompt Engineering Tools, Context Engineering, AI Integrations, Prompt Patterns, Prompt Engineering, Software Development, Embeddings, Software Documentation, Software Engineering, Software Testing, Full-Stack Web Development, Application Development, Web Development, Software Design, Web Applications, Building Codes
Beginner · Course · 1 - 4 Weeks