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: PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Systems Development, Application Servers, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Payment Systems, Document Management, Authentications, Verification And Validation, File Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Email Automation, Front-End Web Development, Web Design and Development, User Interface (UI), Web Design, Java, Server Side, Java Programming, MySQL, Program Development, Hypertext Markup Language (HTML), Web Development, Web Applications, Data Access, Back-End Web Development, Real Time Data, Development Testing, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Java Programming, Application Development, Programming Principles, Data Storage, Data Entry, Computer Programming, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Java, Pedagogy, Debugging, Object Oriented Programming (OOP), Computer Programming, Computational Thinking, Cultural Responsiveness, Digital pedagogy
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Testability, Java, Test Case
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Operations Research, Computational Thinking, Computer Programming, Network Routing, Java Programming, Linear Algebra
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java, Context Management, Web Applications, Server Side, Data Storage, Session Initiation Protocols, Data Sharing
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Java, Object Oriented Programming (OOP), Education Software and Technology, Computer Programming, Digital pedagogy, Program Development, Debugging, Data Structures
Beginner · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Event-Driven Programming, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: Mobile Development, React.js, Web Applications, Event-Driven Programming, Application Development, UI Components, Front-End Web Development, Cascading Style Sheets (CSS), Javascript, Hypertext Markup Language (HTML), Debugging
Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Software Design, Software Design Patterns, Object Oriented Programming (OOP), Java, Maintainability, Application Design
Intermediate · Course · 1 - 4 Weeks

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