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.

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

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

Skills you'll gain: Apache Kafka, Apache Spark, Scala Programming, Real Time Data, Apache Hadoop, Apache Cassandra, Applied Machine Learning, Big Data, Data Processing, Application Deployment, Distributed Computing, Programming Principles, Cloud Deployment, Data Structures, Development Environment
Advanced · Course · 1 - 3 Months

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, User Interface (UI), Interactive Design, Javascript, Creative Design, Graphic and Visual Design, Web Design and Development, Typography, Frontend Performance, Web Analytics and SEO, Web Development, Web Content Accessibility Guidelines
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), UI Components, Event-Driven Programming, User Experience Design, User Interface (UI), Application Programming Interface (API), Frontend Integration, Front-End Web Development, Data Management, JavaScript Frameworks, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Command-Line Interface, Other Programming Languages, Package and Software Management, Memory Management, Go (Programming Language), Programming Principles, Program Development, C (Programming Language), Secure Coding, Software Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: TypeScript, Code Reusability, React.js, Javascript, Software Design Patterns
Advanced · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SonarQube, Apache Maven, Jenkins, Apache Tomcat, Build Tools, Devops Tools, Application Deployment, Java, DevOps, Application Servers, Amazon Web Services, Continuous Integration, CI/CD, Software Installation, Amazon Elastic Compute Cloud, Git (Version Control System), Dependency Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Performance Management, Prometheus (Software), System Monitoring, Amazon CloudWatch, Grafana, Performance Tuning, Event Monitoring, Frontend Performance, Servers, Performance Management, Cloud Services, Dashboard Creation, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Web Applications, Cascading Style Sheets (CSS), Application Programming Interface (API), HTML and CSS, JSON, Web Servers, Javascript, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Java, Test Automation, System Testing, Object Oriented Programming (OOP), Continuous Delivery, Test Script Development, Software Testing, Integration Testing, Build Tools, Browser Compatibility
Intermediate · Course · 3 - 6 Months