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.

Board Infinity
Skills you'll gain: Angular, Cascading Style Sheets (CSS), Responsive Web Design, Web Design and Development, Front-End Web Development, HTML and CSS, jQuery, React.js, Javascript, Web Applications, JavaScript Frameworks, Web Development, Bootstrap (Front-End Framework), Frontend Integration, Ajax, Application Frameworks, UI Components, digital literacy, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Bootstrap (Front-End Framework), Web Design and Development, Web Development, Web Applications, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Browser Compatibility, User Interface and User Experience (UI/UX) Design, User Experience Design, Requirements Analysis, Requirements Elicitation, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Web Design and Development, Restful API, User Interface (UI) Design, Node.JS, Application Deployment, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Database Application, Server Side, Back-End Web Development, Full-Stack Web Development, Javascript
Intermediate · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Programming Principles, Network Protocols
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Debugging, Embedded Systems, Memory Management, Integrated Development Environments, C (Programming Language), Computer Programming Tools, Development Environment, C and C++, Software Development Tools, System Programming, Eclipse (Software), Build Tools, Programming Principles, Data Storage
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Javascript, Front-End Web Development, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Authentications, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Systems Development Life Cycle, Application Development, Software Development Life Cycle, Software Development, Agile Software Development, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Programming Principles, Java Programming, Spring Framework, Maintainability, Debugging, Java, Software Design Patterns
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Object Oriented Design, Java, Java Programming, Software Architecture, Object Oriented Programming (OOP), Data Structures, Software Design, Computer Programming, Programming Principles, Code Reusability, Application Development, UI Components, User Interface (UI), Data Management
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Laboratory Experience, Laboratory Reports, Embedded Software, Electronic Hardware, Electrical and Computer Engineering, Electronics Engineering, Laboratory Testing, Engineering Documentation, Electronic Systems, Debugging, System Design and Implementation, Program Development, Software Design, Software Development, Functional Design, Simulation and Simulation Software, Development Environment, Eclipse (Software)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Game Theory, Java, Java Programming, Programming Principles, Performance Tuning, Computational Thinking, Theoretical Computer Science, Computer Programming, Software Design Patterns, Problem Solving, Solution Design, Applied Mathematics, Geometry
Intermediate · Specialization · 3 - 6 Months