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: React Native, iOS Development, Apple iOS, Software Development Life Cycle, Flutter (Software), Mobile Development, Software Architecture, Android Studio, User Centered Design, Android Development, Swift Programming, Git (Version Control System), GitHub, User Interface (UI) Design, Android (Operating System), Responsive Web Design, Front-End Web Development, React Redux, Data Ethics, AI Personalization
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Selenium (Software), Java, Java Programming, File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Test Script Development, Web Scraping, Apache, Web Development Tools, Data Import/Export, Verification And Validation, HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: React Native, User Research, Version Control, GitHub, UI/UX Research, Usability Testing, Git (Version Control System), JSON, Restful API, Web Development Tools, Unix Commands, Jest (JavaScript Testing Framework), Persona (User Experience), Interaction Design, User Experience Design, SQL, User Interface and User Experience (UI/UX) Design, Mobile Development, Javascript, React.js
Beginner · Specialization · 3 - 6 Months

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, Scripting, Test Tools, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: React Native, Android Studio, Restful API, User Research, Version Control, GitHub, UI/UX Research, Usability Testing, Jest (JavaScript Testing Framework), Git (Version Control System), Data Structures, Kotlin, Android Jetpack, Android Development, Unix Commands, Persona (User Experience), Interaction Design, Mobile Development, Code Reusability, Javascript
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, User Research, Version Control, GitHub, UI/UX Research, Usability Testing, Apple iOS, Jest (JavaScript Testing Framework), Git (Version Control System), Data Structures, Swift Programming, User Interface (UI), Apple Xcode, Unix Commands, Persona (User Experience), Mobile Development, Javascript
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Java, Mobile Development, Java Programming, Object Oriented Programming (OOP), Application Frameworks, Android Development, Application Development, Program Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Access, Object Oriented Design, Relational Databases, Object Oriented Programming (OOP), Database Software, JUnit, Data Integrity, SQL, Database Development, Java, Java Programming, Database Management, Databases
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Software Design, Programming Principles, Program Development, Code Reusability, AI Personalization, Data Integration, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Data Mapping, Algorithms, Java Programming, Java, Data Structures, Data Management
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Database Design, SQL, MySQL, HTML and CSS, PHP (Scripting Language), Relational Databases, JSON, Database Management, jQuery, Hypertext Markup Language (HTML), Javascript and jQuery, Ajax, Databases, Data Modeling, Database Application, Database Development, Debugging, Web Applications, Query Languages, Javascript
Intermediate · Specialization · 3 - 6 Months