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.
Coursera
Skills you'll gain: JUnit, MLOps (Machine Learning Operations), CI/CD, Continuous Integration, Jenkins, Test Automation, Unit Testing, DevOps, Test Case, Debugging, Code Coverage, Model Evaluation, Data Pipelines, Test Data
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Performance Tuning, Docker (Software), Java, Application Performance Management, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Java, Java Programming, Object Oriented Design, Object Oriented Programming (OOP), User Interface (UI) Design, Unit Testing, JUnit, Data Validation, Software Development, Application Design, Development Testing, Application Development, Test Automation, Test Case, Data Modeling, System Design and Implementation, Databases, Software Documentation, Development Environment, Software Testing
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Apache Maven, Maintainability, Gradle, Java, Software Design, Software Design Patterns, Software Architecture, Object Oriented Design, Object Oriented Programming (OOP), API Design, Machine Learning Methods, Programming Principles, Integration Testing, Dependency Analysis, User Interface (UI) Design, Design Strategies, Program Evaluation, Automation
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Front-End Web Development, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Program Development, C and C++, C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Development Environment, Software Development, Computer Science
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Node.JS, Restful API, Database Design, Database Application, Databases, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Authentications, Server Side, Middleware, Scalability, Application Deployment, Web Applications, Web Development, Debugging, Javascript
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Management, Database Development, SQL, MySQL, Database Theory, Transaction Processing, Stored Procedure, Data Modeling, Unified Modeling Language, Databases, Data Integrity, Diagram Design, Java, Data Structures, Application Development, Performance Tuning, Dependency Analysis, Conceptual Design
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: jQuery, HTML and CSS, Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Javascript and jQuery, Web Development, Web Applications, Javascript
Mixed · Course · 1 - 3 Months