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, Spring Framework, Hibernate (Java), Apache Maven, Model View Controller, Relational Databases, Database Design, MySQL, Java Programming, Databases, Web Applications, Java Platform Enterprise Edition (J2EE), Application Frameworks, Java, Full-Stack Web Development, Database Application, Authentications, Object Oriented Design, Back-End Web Development, Object Oriented Programming (OOP)
★ 4.7 (13) · Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Usability, Object Oriented Design, Version Control, User Experience Design, Design Thinking, User Centered Design, Web Design and Development, Web Content Accessibility Guidelines, .NET Framework, Microsoft Visual Studio, Authorization (Computing), AI Integrations, Application Security, Computational Thinking, User Interface (UI) Design, Web Components, Pseudocode, Microsoft Development Tools, Javascript
★ 4.6 (283) · Beginner · Professional Certificate · 3 - 6 Months

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
★ 4.6 (239) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java Programming, Java, Data Management, Secure Coding, Theoretical Computer Science, Performance Tuning, Computer Programming
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Java, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Program Development, Test Case, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Design, Application Design, Programming Principles
★ 4.7 (419) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Web Design and Development, Web Development, Frontend Integration, Hypertext Markup Language (HTML), Web Design, Javascript, Responsive Web Design, Web Presence
★ 4.3 (156) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C and C++, Programming Principles, Data Structures, Secure Coding, Algorithms, Software Design, Application Security, Other Programming Languages, System Programming, Python Programming, Computer Architecture, Computer Programming, Java, Performance Tuning, Numerical Analysis
★ 4.5 (254) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Java Programming, Java, OS Process Management, Memory Management, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Cloud Deployment, Application Deployment, Cloud Development, Cloud Applications, Java, Google Cloud Platform, Cloud Services, Application Development, Cloud Computing, Java Programming, Cloud Platforms, DevOps
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Digital Transformation, Cloud Computing Architecture, Systems Design, Business Transformation, SAP S/4HANA, Cloud Computing, Systems Architecture, System Design and Implementation, Security Management, Software Architecture, Cyber Attacks, Software Design, Security Strategy, SAP Applications, Cyber Governance, Cybersecurity, Cloud Platforms, ABAP RESTful Programming Model (RAP), Case Studies, Business Analysis
★ 4.6 (249) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, HTML and CSS, C# (Programming Language), React.js, Object Oriented Programming (OOP), Restful API, .NET Framework, React Redux, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JSON, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Web Development, User Interface (UI), Cascading Style Sheets (CSS)
★ 4.2 (359) · Intermediate · Specialization · 1 - 3 Months