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: JSON, Javascript, JavaScript Frameworks, Software Testing, Unit Testing, Scripting, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Scripting Languages, Data Validation, Data Structures, Network Protocols, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: OS Process Management, Scalability, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, Web Design and Development, UI Components, Programming Principles, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, User Interface (UI), Maintainability, Code Reusability
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Application Security, Serverless Computing, Secure Coding, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Cloud Services, Cloud Platforms, Javascript, Node.JS
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Database Application, Database Development, Full-Stack Web Development, Web Applications, Model View Controller, Authentications, Authorization (Computing), Business Logic, Dashboard Creation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Authorization (Computing), JavaScript Frameworks, Application Programming Interface (API), TypeScript, Javascript, Web Development
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Javascript, Code Reusability, Computational Logic, Programming Principles, Data Import/Export, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps Pipelines, Kubernetes, Azure DevOps, Node.JS, CI/CD, DevOps, Microsoft Development Tools, Microsoft Azure, Devops Tools, Cloud-Native Computing, Test Planning, Continuous Integration, Continuous Delivery, Application Lifecycle Management, Microservices, Containerization, Software Testing, Debugging, Cloud Development, Software Development Tools
Intermediate · Course · 1 - 4 Weeks

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, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months
Coursera
Skills you'll gain: JUnit, MLOps (Machine Learning Operations), CI/CD, Continuous Integration, Jenkins, Test Automation, Unit Testing, Continuous Deployment, Devops Tools, DevOps, Development Testing, Debugging, Code Coverage, Test Engineering, Data Pipelines
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications, Program Development
Beginner · Course · 1 - 4 Weeks