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: Node.JS, Restful API, Database Design, Database Development, Database Application, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Relational Databases, Authentications, Server Side, Application Programming Interface (API), Cloud Development, Cloud Deployment, Middleware, Scalability, Javascript
★ 4.5 (54) · Intermediate · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Text Mining, Data Mining, Unstructured Data, Data Preprocessing, Data Processing, Natural Language Processing, Classification Algorithms, Analytics, Java, Unsupervised Learning, Machine Learning Methods, Supervised Learning
★ 3.9 (40) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Java, Object Oriented Design, File I/O, Web Servers, Program Development, Server Side, Programming Principles, Test Engineering, Code Reusability, Animation and Game Design, Encryption, Software Installation, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, Application Deployment, MongoDB, Application Frameworks, Back-End Web Development, Frontend Integration, Front-End Web Development, Hypertext Markup Language (HTML), User Interface (UI) Design, Web Design and Development, Secure Coding, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Cascading Style Sheets (CSS)
★ 4.2 (67) · Intermediate · Specialization · 1 - 3 Months

EC-Council
Skills you'll gain: Node.JS, MongoDB, Angular, Full-Stack Web Development, JavaScript Frameworks, Restful API, Web Frameworks, Secure Coding, Server Side, Web Applications, Web Development, NoSQL, Front-End Web Development, Web Development Tools, Web Servers, Postman API Platform, Application Programming Interface (API), API Design, Javascript, Database Systems
★ 4.6 (91) · Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Object Oriented Design, Software Architecture, Java, Java Programming, Software Design, User Interface (UI), Object Oriented Programming (OOP), Data-Driven Decision-Making, Business Modeling, Test Data, User Interface (UI) Design, System Design and Implementation, Application Design, Human Computer Interaction, Application Development, Software Engineering, Computer Programming, Programming Principles, Software Development Tools, Artificial Intelligence
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI), Development Environment
★ 4.2 (60) · Intermediate · Course · 1 - 4 Weeks

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
★ 4 (58) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Object Oriented Design, Software Design, Code Reusability, Records Management, Programming Principles, Memory Management
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, API Testing, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Object Oriented Design, Application Programming Interface (API), Systems Architecture, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications
★ 4.3 (66) · Intermediate · Specialization · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Other Programming Languages, Object Oriented Design, Computational Logic, Command-Line Interface
★ 4.8 (66) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Computational Thinking, Algorithms, Debugging, Java, Applied Mathematics, Programming Principles, Computer Programming, Theoretical Computer Science, Numerical Analysis, Computer Programming Tools, Mathematical Theory & Analysis, Pseudocode, Software Installation, Software Architecture, Performance Tuning, Other Programming Languages
Intermediate · Specialization · 3 - 6 Months