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
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, JUnit, Model Training, Build Tools, MLOps (Machine Learning Operations), Java, Performance Tuning, Decision Tree Learning, Classification And Regression Tree (CART), Apache Maven, Data Structures, Random Forest Algorithm, Gradle, Data Pipelines, Software Architecture, Software Design, Object Oriented Programming (OOP), Apache, Machine Learning
Intermediate · Specialization · 3 - 6 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
Intermediate · Course · 1 - 4 Weeks

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
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

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

Universidade Estadual de Campinas
Skills you'll gain: Android Studio, Android Development, Mobile Development, Event-Driven Programming, Android (Operating System), UI Components, User Interface (UI), Application Development, Java, Mobile Development Tools, Java Programming, Development Environment, Software Installation, Extensible Markup Language (XML), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Amazon
Skills you'll gain: Full-Stack Web Development, Restful API, Cloud Deployment, Frontend Integration, Front-End Web Development, Web Design and Development, Web Services, Cloud Development, Application Deployment, Cloud Applications, Web Development, Spring Framework, Amazon Web Services, HTML and CSS, Data Persistence, Application Programming Interface (API), Server Side, Web Applications, Back-End Web Development, Javascript
Beginner · Course · 1 - 4 Weeks

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

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
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Android Development, React.js, Javascript, Unit Testing, Test Script Development, Node.JS, Package and Software Management, Programming Principles, Object Oriented Programming (OOP), Event-Driven Programming, Functional Design
Beginner · 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