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: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Artificial Intelligence and Machine Learning (AI/ML), Jenkins, Applied Machine Learning, CI/CD, Java, Continuous Deployment, Java Programming, Artificial Intelligence, Machine Learning, Spring Framework, Application Deployment, Reinforcement Learning, Spring Boot, Enterprise Application Management, Continuous Monitoring, Enterprise Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, YAML, Restful API, Load Balancing, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Science, Web Development, Python Programming, Programming Principles, Artificial Intelligence, Computer Programming, Application Development, Scientific Visualization, Scripting
Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Code Coverage, Software Quality Assurance, Functional Testing, Testability, Integration Testing, Test Data, Issue Tracking
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Hypertext Markup Language (HTML), Web Design and Development, Responsive Web Design, User Interface (UI), Web Development, Javascript, Debugging
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Data Access, Java, Relational Databases, Data Mapping, JUnit, Databases, Query Languages, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Human Computer Interaction, Interaction Design, jQuery, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), User Experience Design, User Accounts, MongoDB, User Experience, Wireframing, Web Applications, Full-Stack Web Development, Interactive Data Visualization, JavaScript Frameworks, Web Development Tools, User Interface (UI), Javascript
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Scalability, Software Documentation, Java, Continuous Deployment, Spring Framework, DevOps, Prometheus (Software), Back-End Web Development, JUnit, Application Programming Interface (API), Java Programming, Application Deployment, React.js
Intermediate · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Javascript, Interactive Design, HTML and CSS, Web Design and Development, Web Content Accessibility Guidelines, Event-Driven Programming, Web Applications, User Interface (UI), Web Development, Data Structures, Programming Principles, Debugging, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Role-Based Access Control (RBAC), Postman API Platform, Authentications, Authorization (Computing), Restful API, Java Programming, Spring Boot, User Accounts, Application Programming Interface (API), Application Security, Back-End Web Development, Web Applications
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Functional Design, Scalability, Other Programming Languages, Java, Performance Tuning
Intermediate · Course · 1 - 4 Weeks