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.

Vanderbilt University
Skills you'll gain: Event-Driven Programming, Programming Principles, Computer Programming, Distributed Computing, Computer Science, Computational Thinking, Computer Networking, Data Structures, Natural Language Processing, Algorithms, Problem Solving, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Cloud Applications, Cloud-Native Computing, Cloud Development, Serverless Computing, Application Deployment, Cloud Deployment, Cloud Storage, Google Cloud Platform, Application Performance Management, Infrastructure as Code (IaC), Cloud API, Microservices, Application Development, API Gateway, Application Design, Authentications, Data Store, Cloud Services, Cloud Computing, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, JavaScript Frameworks, UI Components, Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, Interactive Design, HTML and CSS, Game Design, Data Validation, User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Virtual Machines, Cloud API, Web Servers, Natural Language Processing, Live Streaming
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Hosting, Front-End Web Development, React.js, Javascript, Web Development Tools, Full-Stack Web Development, Web Applications, Cloud Security, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), Front-End Web Development, User Interface and User Experience (UI/UX) Design, Javascript, Usability, Web Applications, Semantic Web, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Big Data, Cloud Management, File Systems, Data Processing, Data Storage, Java, Operating System Administration, Systems Administration, Distributed Computing, Command-Line Interface, Linux Commands
Mixed · Course · 1 - 3 Months

Skills you'll gain: jQuery, Javascript and jQuery, Event-Driven Programming, Web Development Tools, UI Components, HTML and CSS, Javascript, Web Applications, Data Validation, Animations
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Object-Relational Mapping, Database Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Swift Programming, JavaScript Frameworks, Mobile Development, Application Programming Interface (API), Database Software, Web Development, Back-End Web Development, Development Environment, MongoDB, Javascript, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Integrated Development Environments, Software Testing, Quality Assurance, Java, Software Development Tools, Debugging, Performance Testing
Intermediate · Guided Project · Less Than 2 Hours