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: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Application Programming Interface (API), Gradle, Build Tools, Software Development Tools, Integration Testing, Application Frameworks, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Spring Boot, Model View Controller, Hibernate (Java), Java, Java Programming, Web Development, Web Applications, Object-Relational Mapping, Application Deployment, Application Security, Database Application, Software Development Tools, Authentications, Development Environment, Data Access, Authorization (Computing)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, UI Components, Web Language, Front-End Web Development, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
Beginner · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: TypeScript, Javascript, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Web Applications
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), UI Components, Front-End Web Development, Usability, Interactive Design, Javascript, Creative Design, Graphic and Visual Design, Web Design and Development, User Interface (UI), Typography, Web Analytics and SEO, Web Development, Web Content Accessibility Guidelines, Frontend Performance
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Application Programming Interface (API), Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), Version Control, IntelliJ IDEA, Integrated Development Environments, Software Development Tools, Microsoft Visual Studio, Eclipse (Software), Software Versioning, Release Management, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, OAuth, API Testing, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, Extensible Markup Language (XML), Test Script Development, Mockups, Test Tools, Extensible Languages and XML, Verification And Validation, Debugging
Intermediate · Course · 1 - 3 Months

Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Object Oriented Design, Software Architecture, Java, Java Programming, Integrated Development Environments, Development Environment, Data Structures, Command-Line Interface, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: NoSQL, Big Data, File Systems, Data Infrastructure, Apache Hadoop, Data Architecture, Distributed Computing, Scalability, Database Systems, Cloud Computing, Apache Spark, Public Cloud, Data Processing, Data Storage Technologies, Cloud Services, Data Storage, Data Management
Beginner · Course · 1 - 3 Months