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: Selenium (Software), Test Script Development, Test Automation, Java Programming, Java, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

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Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, UI Components, JavaScript Frameworks, Code Reusability, Application Programming Interface (API), Unit Testing, Front-End Web Development, Software Design Patterns, Javascript, Development Environment, Context Management, Application Development, Web Applications, Dataflow, Hypertext Markup Language (HTML), User Interface (UI), Event-Driven Programming, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Postman API Platform, Authentications, Spring Framework, API Testing, Authorization (Computing), Restful API, Identity and Access Management, Secure Coding, Java Programming, Spring Boot, User Accounts, Application Programming Interface (API), API Design, Web Applications
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Programming Principles, Functional Design, Java Programming, Other Programming Languages, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), HTML and CSS, UI Components, User Interface (UI), Front-End Web Development, Responsive Web Design, JavaScript Frameworks, Web Design, Web Development, Web Applications, Hypertext Markup Language (HTML), Full-Stack Web Development, Cascading Style Sheets (CSS), General Networking, Back-End Web Development, React.js, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Java Programming, Java, Theoretical Computer Science, Programming Principles, Algorithms
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Development Testing, Verification And Validation, Authentications, Model View Controller, Back-End Web Development, Computer Programming, Code Reusability, Object-Relational Mapping, Server Side
Intermediate · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Prompt Engineering, Vibe coding, Prompt Engineering Tools, Prompt Patterns, Integrated Development Environments, Context Engineering, Application Development, Full-Stack Web Development, Embeddings, Continuous Integration, AI Integrations, Code Review, Software Development, Web Development, Web Applications, Software Documentation, Software Engineering, Software Testing, Software Design, Building Codes
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Computer Programming, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

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Skills you'll gain: Mobile Development, React.js, UI Components, Front-End Web Development, Application Development, Dataflow, Code Reusability, Hypertext Markup Language (HTML), User Interface (UI), Event-Driven Programming, Cascading Style Sheets (CSS), Javascript, Development Environment
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), Web Frameworks, Application Frameworks, Wireframing, Hypertext Markup Language (HTML), Javascript
Beginner · Course · 1 - 4 Weeks