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: File I/O, Data Import/Export, Java Programming, Java, Computer Programming, Data Structures, Object Oriented Programming (OOP), Integrated Development Environments, Computer Science
Beginner · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Kotlin, Java, Java Programming, IntelliJ IDEA, Object Oriented Programming (OOP), Android Development, Interoperability, Mobile Development, Integrated Development Environments, Computer Programming, Performance Tuning, Functional Design, Code Review, Programming Principles, Maintainability, Unit Testing, Scripting, Software Development, Development Environment
Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Theoretical Computer Science, Computer Programming, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Application Development, Java Programming, Software Engineering, Microsoft Visual Studio, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Maintainability, Object Oriented Programming (OOP), Network Routing, Computational Thinking, Application Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Context Management, Business Logic
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months
Instituto Tecnológico de Aeronáutica
Skills you'll gain: Unified Modeling Language, JUnit, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Java, Java Programming, Programming Principles, Software Engineering, Software Design, Maintainability, Software Testing, Eclipse (Software)
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java, Application Servers, Web Applications, Development Environment, Java Programming, Application Development, Program Development, Object Oriented Programming (OOP), Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Computing, Java, Middleware, NoSQL, Event-Driven Programming, Databases, Software Architecture, Servers, Web Services, Microservices, Scalability, Transaction Processing
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, File I/O, Object Oriented Programming (OOP), Application Frameworks, Debugging, Data Persistence, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Spring Boot, Hibernate (Java), Object Oriented Design, Spring Framework, Database Management, Computer Programming, Web Development, Authorization (Computing), Restful API, Debugging, Programming Principles
Beginner · Course · 3 - 6 Months