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: Spring Framework, Web Applications, Java Platform Enterprise Edition (J2EE), Java, Object Oriented Design, Back-End Web Development, Authentications, Application Development, Software Design, Database Design, Model View Controller, Databases
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Scalability, Software Documentation, Java, Continuous Deployment, Spring Framework, DevOps, Prometheus (Software), Back-End Web Development, JUnit, Application Programming Interface (API), Java Programming, Application Deployment, React.js
Intermediate · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Application Deployment, Django (Web Framework), Object-Relational Mapping, HTML and CSS, Model View Controller, jQuery, Ajax, JSON, Database Design, SQL, Application Frameworks, Databases, Web Applications, Application Development, Object Oriented Programming (OOP), Web Development, Data Modeling, Javascript, Application Security, Cascading Style Sheets (CSS)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Front-End Web Development, Web Design and Development, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, User Interface (UI), Software Testing, Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Application Deployment, Cloud Applications, Java, Google Cloud Platform, Cloud Services, Platform As A Service (PaaS), Application Development, Cloud Computing, Java Programming, DevOps
Beginner · Project · Less Than 2 Hours

Skills you'll gain: JSON, Data Structures, Javascript, Application Programming Interface (API), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Middleware, File Transfer Protocol (FTP), Oracle Databases, Data Integration, Enterprise Application Management, Integration Testing, Systems Integration, Development Testing, Data Import/Export, Java, Configuration Management, File Management, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, ASP.NET, .NET Framework, C# (Programming Language), Application Programming Interface (API), Web Applications, Full-Stack Web Development, Restful API, OAuth, Microsoft Azure, Back-End Web Development, Application Frameworks, Network Routing, Cloud Applications, Server Side, Javascript, Application Deployment, Cloud API, Authentications, Event-Driven Programming
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: TypeScript, Object Oriented Design, Object Oriented Programming (OOP), Programming Principles, Software Design Patterns, Software Design, Computer Programming, Software Architecture, Debugging, Maintainability, Software Development, Javascript, Web Development Tools, Web Development, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Front-End Web Development, Web Design and Development, HTML and CSS, Web Applications, UI Components, User Interface (UI) Design, Javascript, Mobile Development, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: TypeScript, Object Oriented Design, Node.JS, Role-Based Access Control (RBAC), Object Oriented Programming (OOP), Authentications, React Redux, Back-End Web Development, React.js, Full-Stack Web Development, Web Development, MongoDB, Front-End Web Development, Javascript, Application Programming Interface (API), Software Design Patterns, API Design, Programming Principles, Software Development, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Business Logic, Java, Data Warehousing, File Management, Data Cleansing, Data Import/Export, Data Migration, Data Manipulation, Scalability, Data Transformation, Software Documentation, Software Installation, Data Processing, MySQL, Debugging
Beginner · Specialization · 1 - 3 Months