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: Java, Java Programming, Performance Tuning, Data Structures, Software Engineering, Tree Maps, Scalability, Algorithms, Benchmarking, Theoretical Computer Science
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Cascading Style Sheets (CSS), Responsive Web Design, Web Design and Development, Mockups, Web Design, User Interface (UI) Design, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Prototyping, Javascript, Web Development, Dashboard Creation
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Web Services, Interoperability, Java, Computer Graphic Techniques, Scalability
★ 4.5 (74) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Cloud Deployment, YAML, Restful API, Software Configuration Management, Load Balancing, Configuration Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Javascript and jQuery, Object Oriented Design, Scripting, Program Development, Web Applications, Scripting Languages, Computer Programming, Code Reusability, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Prototyping, Context Management
★ 4.3 (7) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Javascript, Web Language, Data Persistence, Scripting Languages, Data Storage, Web Development, Programming Principles, Data Structures, Computational Logic, Software Engineering
★ 4.9 (10) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications, Program Development
★ 4.1 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Web Development, Transaction Processing, Development Testing, Frontend Integration, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, Software Architecture, Test Script Development, User Interface (UI) Design, Experience Design, Javascript, Application Deployment, Payment Systems, Data Management
★ 4.8 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Java, Java Programming, Application Design, Application Development, Database Development, Database Management, Databases, Data Persistence, Development Environment, Data Validation, Program Development, Configuration Management, Data Modeling, Data Integrity, Verification And Validation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Software Engineering, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Programming Principles, Conceptual Design
★ 4.6 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
★ 4.5 (13) · Beginner · Specialization · 3 - 6 Months