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.

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, Git (Version Control System), AI Integrations, Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
★ 4.6 (145) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Spring Boot, JUnit, Real Time Data, Java, Data Pipelines, Unit Testing, Restful API, Integration Testing, Scalability
Intermediate · Course · 3 - 6 Months

Universidade de São Paulo
Skills you'll gain: Unified Modeling Language, Model View Controller, Object Oriented Programming (OOP), Object Oriented Design, Software Design Patterns, Debugging, Software Architecture, Software Design, Java Programming, Computer Programming, Software Testing, Other Programming Languages
★ 4.8 (191) · Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Functional Testing, Test Automation, JUnit, Requirements Analysis, Java Programming
★ 3.8 (117) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Maintainability, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Java, Java Programming, Object Oriented Programming (OOP), Issue Tracking, Build Tools, Test Automation, Behavior-Driven Development, Test Script Development, Test Case, Software Testing, Data Structures, Package and Software Management
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Object Oriented Design, Java Programming, Java, Object Oriented Programming (OOP), Data Persistence, Software Design Patterns, Maintainability, Memory Management, Programming Principles, Code Reusability, Functional Design, Computer Programming, Oracle Databases, File Systems, Computational Logic, API Design, Data Structures, Software Design, File Management, Data Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Test Script Development, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Code Reusability, Test Data, Debugging, Configuration Management
★ 4.5 (160) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Javascript, Back-End Web Development, Server Side, Front-End Web Development, Hypertext Markup Language (HTML), Scripting, Event-Driven Programming, JavaScript Frameworks, Web Applications, Mobile Development, HTML and CSS, Web Development, Scripting Languages, Event Monitoring, Code Reusability
★ 4.3 (290) · Beginner · Guided Project · Less Than 2 Hours

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Object Oriented Programming (OOP), Software Design Patterns, Object Oriented Design, Java, Code Reusability, Java Programming, Software Design, Test Driven Development (TDD)
★ 4.6 (81) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Model View Controller, Spring Framework, Java, Application Frameworks, Web Applications, Context Management, Software Architecture, Application Development, Data Validation, Data Mapping
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Network Administration, DevOps, Software Development Tools, Networking Hardware, Network Troubleshooting, Command-Line Interface, Web Development, Cloud Applications, Development Environment, Virtualization and Virtual Machines, Network Routers, Virtual Machines, Virtual Environment, Virtualization, Dependency Analysis, Software Development
★ 4.7 (124) · Beginner · Course · 1 - 4 Weeks