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.

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Code Reusability, Hypertext Markup Language (HTML), UI Components
Intermediate · Course · 1 - 3 Months

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)
Beginner · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, File I/O, Programming Principles, Computer Programming, Code Reusability, Data Structures, Software Engineering, Program Development, Data Access, Data Persistence, Unit Testing, Debugging, OS Process Management, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Automation, Cascading Style Sheets (CSS)
Intermediate · Course · 3 - 6 Months

University of California San Diego
Skills you'll gain: Java Programming, Java, Computer Programming, Object Oriented Programming (OOP), Test Case, Digital pedagogy, Education Software and Technology, Debugging, Algorithms, Data Structures
Beginner · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Service Oriented Architecture, API Design, Web Services, Simple Object Access Protocol (SOAP), Microservices, Restful API, Software Architecture, Application Programming Interface (API), Web Applications, Software Design, JSON, Web Development, Extensible Markup Language (XML), Android Development
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Laboratory Experience, Laboratory Reports, Application Specific Integrated Circuits, System Design and Implementation, Embedded Software, Embedded Systems, Electronic Hardware, Electronic Systems, Electrical and Computer Engineering, Eclipse (Software), Electronics Engineering, Test Case, Laboratory Testing, Test Script Development, Verification And Validation, Microarchitecture, Computer Architecture, Software Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Computer Programming, Programming Principles, Software Design, Code Reusability, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Testing, Restful API, Authentications, Test Automation, Test Script Development, Application Programming Interface (API), Software Testing, Authorization (Computing), Java Programming, Java, User Accounts
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Server Side, Node.JS, Restful API, Database Design, Front-End Web Development, React Redux, Ajax, Database Development, Database Application, Full-Stack Web Development, Back-End Web Development, NoSQL, Javascript, React.js, Performance Tuning, API Design, Data Structures, MongoDB, Debugging, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: TypeScript, React.js, Interviewing Skills, Development Environment, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, UI Components, JavaScript Frameworks, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Javascript, Application Programming Interface (API), Code Reusability, Data Sharing
Beginner · Course · 1 - 3 Months