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.

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Server Side
Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: User Experience Design, User Experience, Wireframing, Persona (User Experience), Application Lifecycle Management, Application Design, Technical Communication, Web Design and Development, Prototyping, UI/UX Research, Web Development, User Research, Mockups, Usability Testing, Application Development, Responsive Web Design, Version Control, Brainstorming, Javascript, MongoDB
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Apache, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA, Application Deployment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: React.js, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Data Structures, Computer Programming, Software Design, Python Programming, Java, Algorithms, Performance Tuning, Debugging
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Vulnerability Assessments
Intermediate · Specialization · 1 - 3 Months

University of London
Skills you'll gain: jQuery, HTML and CSS, Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Javascript and jQuery, Web Development, Web Applications, Javascript
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Ajax, Javascript and jQuery, Data Validation, JSON, Javascript, Event-Driven Programming, Web Development Tools, Application Programming Interface (API), Object Oriented Programming (OOP), Maintainability, Debugging
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Scripting, Scripting Languages, Javascript, UI Components, Web Development Tools, Game Design, Object Oriented Programming (OOP), Event-Driven Programming, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Database Design, Database Development, Database Application, NoSQL, MongoDB, Back-End Web Development, API Design, Cloud Applications, Authentications, Middleware, Application Performance Management, Scalability, Application Deployment, Web Applications, Secure Coding, Debugging, Javascript
Intermediate · Course · 1 - 3 Months