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.

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Computer Programming, Java Programming, Java
Intermediate · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Java Programming, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence
Intermediate · Course · 1 - 3 Months

CentraleSupélec
Skills you'll gain: Android Studio, Android Development, Android (Operating System), Storyboarding, Application Design, Mobile Development, Application Development, Java, User Interface (UI) Design, UI Components, Java Programming, Software Documentation, Event-Driven Programming, Interactive Design, Development Environment, Software Installation, User Centered Design
Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Software Design, Object Oriented Design, Java, Java Programming, Program Development, Computer Programming, Graphical Tools, User Interface (UI), Simulations
Intermediate · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Software Design, Object Oriented Programming (OOP), Java, Java Programming, Maintainability, Code Reusability, Software Design Documents, Application Design, Conceptual Design, Diagram Design, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Web Development Tools, Javascript, Debugging, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Web Design, Interactive Design, Event-Driven Programming, Web Design and Development, HTML and CSS, Web Development, Cascading Style Sheets (CSS), Data Structures
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Application Development, UI Components
Intermediate · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Software Architecture, Model View Controller, Unified Modeling Language, Object Oriented Design, Service Oriented Architecture, API Design, Systems Architecture, Web Services, Software Design Patterns, Software Design, Simple Object Access Protocol (SOAP), Microservices, Restful API, Software Design Documents, Software Visualization, Code Review, Product Family Engineering, Object Oriented Programming (OOP), Software Development, Java
Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: Java Programming, Programming Principles, Java, Data Structures, Program Development, Object Oriented Programming (OOP), Computer Programming, Application Programming Interface (API), Database Application
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
Intermediate · Course · 1 - 4 Weeks