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.

Duke University
Skills you'll gain: Algorithms, Debugging, Java, Computer Programming, Java Programming, Software Design, Programming Principles, Data Access, Object Oriented Programming (OOP), Data Preprocessing, Program Development, Data Import/Export, File I/O, Software Documentation
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Android Studio, Android Development, Object Oriented Programming (OOP), Android (Operating System), Java Programming, Java, Mobile Development, Object Oriented Design, Data Structures, Integrated Development Environments, Programming Principles, Computer Programming, Development Environment
★ 4.5 (3.1K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Java, Java Programming, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Computer Programming, Android Development, Application Development, Programming Principles, Program Development, Problem Solving
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java, Java Programming, Eclipse (Software), Object Oriented Programming (OOP), Development Environment, Integrated Development Environments, Computer Programming, Program Development, Virtual Machines, Web Applications, Software Installation
★ 4.4 (84) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Encryption, Data Structures, Object Oriented Design, Java, Algorithms, Java Programming, Cryptography, Software Engineering, Computer Programming, Program Development, Software Design, Data Import/Export, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Debugging, Java Programming, Java, Programming Principles, Computer Programming, Computational Logic, Computer Science, Data Storage
★ 4.5 (118) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Development Tools, Software Development Life Cycle, Program Development, Computer Programming Tools, Computer Programming, Development Environment, Software Development, Programming Principles, Integrated Development Environments, Software Installation, Command-Line Interface, Linux Commands
Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, Build Tools, JSON, JUnit, Java Programming, Java, Web Services, Programming Principles, Package and Software Management, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
★ 4.7 (37) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Scripting Languages, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Hibernate (Java), Application Frameworks
★ 4.3 (12) · Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Code Reusability, Java, Computer Programming, Data Validation, Data Integrity, Computer Science
★ 4.1 (21) · Intermediate · Course · 1 - 4 Weeks