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: Object-Relational Mapping, Hibernate (Java), Apache Maven, Model View Controller, Spring Framework, Relational Databases, Database Design, MySQL, Databases, Java, Full-Stack Web Development, Database Development, Authentications, Java Platform Enterprise Edition (J2EE), Web Applications, Back-End Web Development, Data Validation, Data Modeling, Data Access
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, OAuth, Microservices, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Cloud Deployment, Databases, MySQL Workbench, Data Persistence, Server Side, Javascript
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Deployment, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, Java Platform Enterprise Edition (J2EE), Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Program Development, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Code Reusability, React.js, Server Side, Web Development Tools
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Tools, Test Data, Test Automation, Test Execution Engine, Integrated Development Environments, Java
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Web Components, Cryptography, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Email Automation, Google Workspace, Google Sheets, Stakeholder Communications, Communication Planning, Scripting, Gmail, Stakeholder Management, Project Schedules, Project Management, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: C# (Programming Language), C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Computer Programming, Java, Microsoft Visual Studio, Extensible Markup Language (XML), Extensible Languages and XML, .NET Framework, Data Access, Programming Principles, C (Programming Language), Database Management, UI Components, User Interface (UI), Event-Driven Programming, Computer Graphics
Intermediate · Course · 3 - 6 Months
Universidad Austral
Skills you'll gain: Angular, JavaScript Frameworks, Continuous Integration, TypeScript, JSON, Application Frameworks, CI/CD, Application Programming Interface (API), Restful API, Test Automation, Web Components, Full-Stack Web Development, React Redux, Web Development Tools, Web Services, Unit Testing, Web Applications, NoSQL, Javascript, Data Store
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Classification Algorithms, Model Deployment, Machine Learning Software, Applied Machine Learning, Machine Learning Algorithms, Java, Software Design Patterns, Data-Driven Decision-Making, Logistic Regression, Business Metrics, Benchmarking, Decision Tree Learning, Matrix Management, Business
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Spring Framework, Web Applications, Application Development, Web Development, Program Development, Application Deployment, Restful API, Application Frameworks, Secure Coding, Bootstrap (Front-End Framework), Development Environment, Object-Relational Mapping, Model View Controller, Java Platform Enterprise Edition (J2EE), Software Development Tools, Authentications, Responsive Web Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks