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.

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

Pearson
Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Data Lakes, Analytics, Data Pipelines, Data Processing, Data Import/Export, Linux Commands, Linux, File Systems, Data Management, Distributed Computing, Command-Line Interface, Relational Databases, Software Installation, Java, C++ (Programming Language)
Intermediate · Specialization · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Web Development Tools, Javascript, Responsive Web Design, Web Content, Web Presence, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Code Review, AI Workflows, AI Integrations, Software Design, Python Programming, Version Control, Java Programming
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, Cross Platform Development, Web Applications, Web Development
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Web Design and Development, Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Web Development Tools, Responsive Web Design, Real Time Data, Frontend Performance, User Interface (UI), Secure Coding, Javascript, Data Access, Data Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: UI Components, JavaScript Frameworks, Web Frameworks, Event-Driven Programming, Vue.JS, React.js, Code Reusability, Data Import/Export, Web Applications, Application Frameworks, Front-End Web Development, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Front-End Web Development, Web Development, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Scripting, Javascript
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: TypeScript, React.js, Javascript, Debugging, Integrated Development Environments, Context Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Postman API Platform, Continuous Delivery, Continuous Integration, Web Services, API Design, Test Tools, Spring Framework, Application Programming Interface (API), CI/CD, Test Execution Engine, Service Oriented Architecture, Verification And Validation, Software Testing, Restful API, Interactive Data Visualization, Server Side, Web Applications, Program Development, Virtual Environment, Automation
Beginner · Specialization · 1 - 3 Months