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.

Google Cloud
Skills you'll gain: Cloud Applications, Cloud Development, Cloud-Native Computing, Google Cloud Platform, Cloud API, Application Development, Data Store, Cloud Hosting, Cloud Storage, Software Development, Data Storage, Cloud Platforms, Node.JS, Scalability
★ 4.4 (29) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java, Web Applications
★ 4.1 (13) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, JavaScript Frameworks, Web Frameworks, Web Applications, Server Side, Service Oriented Architecture, Javascript, Android Development
★ 3.6 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Data Structures, Dataflow, Computer Programming
★ 4.7 (25) · Advanced · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Web Applications, Interaction Design, Scripting, Web Development, Data Validation
★ 3.9 (28) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Validation, Data Integrity, Hypertext Markup Language (HTML), Verification And Validation, Scripting, Javascript, Web Applications
★ 4.7 (19) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Java, Integrated Development Environments, File I/O, Data Structures, Command-Line Interface
★ 4.7 (22) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Javascript, React.js, Debugging, Integrated Development Environments
★ 4.6 (23) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Jenkins, Test Script Development, CI/CD, Continuous Integration, Test Automation, Apache Maven, DevOps, Automation, Systems Administration, Scripting, Scalability, Web Applications, Role-Based Access Control (RBAC), Distributed Computing
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
★ 4.6 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Management, Spring Framework, AI Integrations, Software As A Service, Java, Artificial Intelligence, Verification And Validation, Cloud Deployment, Spring Boot, Java Programming, Restful API, Application Development, Debugging
★ 4.9 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Build Tools, Apache Tomcat, Apache Maven, Docker (Software), Continuous Integration, Shell Script, Continuous Deployment, Application Deployment, Devops Tools, Unix Shell, Software Configuration Management, Application Servers, DevOps, Continuous Delivery, Containerization, Solution Delivery, Command-Line Interface, Systems Integration
★ 3.5 (13) · Intermediate · Course · 1 - 4 Weeks