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: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
★ 4.5 (13) · Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React Redux, React.js, Javascript, Web Development Tools, Middleware, Web Development
★ 4.8 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Web Language, Data Persistence, Scripting Languages, Data Storage, Web Development, Programming Principles, Data Structures, Computational Logic, Software Engineering
★ 4.9 (10) · Beginner · Guided Project · Less Than 2 Hours

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
★ 4.3 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Performance Testing, Quality Assurance, Performance Stress Testing, IT Automation, Performance Tuning, Scripting, Debugging, Network Performance Management, Simulations
★ 4.9 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Dashboard Creation, Dataflow, Data Pipelines, Dashboard, Google Cloud Platform, Data Integration, Cloud-Based Integration, Event-Driven Programming, Capacity Management, Data Processing, Data Presentation, Data Transformation, Scalability
★ 4.1 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Deployment, YAML, Restful API, Software Configuration Management, Load Balancing, Configuration Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Cascading Style Sheets (CSS), Responsive Web Design, Web Design and Development, Mockups, Web Design, User Interface (UI) Design, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Prototyping, Javascript, Web Development, Dashboard Creation
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Node.JS, Docker (Software), React.js, Front-End Web Development, Containerization, Full-Stack Web Development, Back-End Web Development, Frontend Integration, Server Side, Web Design and Development, JavaScript Frameworks, Web Development, Web Applications, Application Development, Javascript, Application Programming Interface (API), Software Development, Authentications, Project Management Software
★ 4.8 (16) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Apache, Data Pipelines, Distributed Computing, Scalability, File Systems, Data Store, Live Streaming, Data Persistence, File I/O, Data Storage Technologies, Command-Line Interface, Data Maintenance, Data Storage, Network Monitoring, File Management, Records Management
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months

★ 4.6 (22) · Beginner · Course · 1 - 4 Weeks