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: Angular, Development Environment, Program Development, JavaScript Frameworks, Javascript, Front-End Web Development, Model View Controller, UI Components, Web Development
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Test Tools, Selenium (Software), Test Driven Development (TDD), Unit Testing, Acceptance Testing, Performance Testing, Functional Testing, Test Automation, Usability Testing, Application Programming Interface (API), User Interface (UI), Test Case, API Design, Javascript
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Java, Dependency Analysis, Software Design Patterns, Maintainability, Object Oriented Programming (OOP), Extensible Markup Language (XML), Software Design, Testability
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, JavaScript Frameworks, Web Development, Application Development, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Data Structures, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Software Architecture, Java Programming, User Interface (UI), Object Oriented Programming (OOP), Data-Driven Decision-Making, Business Modeling, Test Data, Software Development, Application Development, Artificial Intelligence, Data Structures
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Data Storage Technologies, Network Monitoring, File Management
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Blockchain, Development Testing, Web Development Tools, Application Development, Computer Programming Tools, Cryptographic Protocols, Javascript
Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Azure DevOps, Node.JS, CI/CD, DevOps, Microsoft Azure, Microservices, Docker (Software), Containerization, Software Testing, Debugging, Cloud Development, Application Deployment, Scripting, Version Control, YAML, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Dataflow, Data Pipelines, Dashboard, Google Cloud Platform, Data Processing, Data Transformation, Scalability
Intermediate · Course · 1 - 3 Months