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: Apache Kafka, Apache Spark, Scala Programming, Real Time Data, Apache Hadoop, Data Pipelines, Apache Cassandra, Applied Machine Learning, Big Data, Data Processing, Application Deployment, Distributed Computing, Development Environment
Advanced · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Git (Version Control System), GitHub, Jenkins, Test Automation, CI/CD, Test Data, Test Script Development, Test Tools, Software Testing, IntelliJ IDEA, Test Case, Development Environment, Application Frameworks, Apache Maven, Maintainability, Debugging
Advanced · Course · 3 - 6 Months

Xi'an Jiaotong University
Skills you'll gain: ASP.NET, .NET Framework, Web Development, Database Application, Object Oriented Programming (OOP), Web Applications, Javascript, HTML and CSS, Web Design, Data Access, Web Servers, Databases
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, JUnit, Test Data, Unit Testing, Test Case, Regression Testing, Web Development Tools, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Computer Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Metadata Management, Extract, Transform, Load, Data Integration, Data Pipelines, Data Processing, Java, Data Import/Export, Data Transformation, Software Documentation, Data Storage Technologies, Debugging
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Continuous Integration, Performance Testing, Quality Assurance, Integration Testing, Test Case, Frontend Performance, IT Automation, Scripting, Debugging, Network Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Applications, Cloud Development, Application Deployment, Cloud Deployment, Google Cloud Platform, Application Performance Management, Infrastructure as Code (IaC), Development Environment, Performance Tuning, Containerization, System Monitoring, Debugging, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Selenium (Software), Apache Maven, CI/CD, Object Oriented Programming (OOP), JUnit, Java, Software Design Patterns, Test Automation, Software Testing, Maintainability, Test Case, Browser Compatibility, Software Design, Test Execution Engine
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Extensible Markup Language (XML), Android Development, Mobile Development, Real Time Data, Data Integration, UI Components, User Interface (UI), Java Programming
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, Database Design, HTML and CSS, API Design, Front-End Web Development, MongoDB, Javascript, Postman API Platform, Bootstrap (Front-End Framework), React.js, UI Components, Ajax, Database Management, OAuth, Frontend Integration, Authentications
Intermediate · Specialization · 1 - 3 Months
University of Glasgow
Skills you'll gain: Computational Thinking, JSON, Application Deployment, Data Structures, Javascript, Application Development, HTML and CSS, Data Analysis, Code Review, Software Development, Data Visualization Software, Web Development, Web Applications, Scripting, Prototyping, Data Processing, Programming Principles, Unsupervised Learning, Front-End Web Development, Computer Programming
Beginner · Specialization · 3 - 6 Months