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: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Management, Dashboard Creation, Cascading Style Sheets (CSS), Javascript
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Apache Maven, Build Tools, Continuous Integration, Version Control, Java, Software Versioning, Package and Software Management, Mac OS, Software Installation
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Object Oriented Design, Data Structures, Code Reusability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computational Thinking, Algorithms, Program Development, Theoretical Computer Science, Software Development, Software Engineering, Programming Principles, Data Structures, Computer Programming, Javascript, Computer Science, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, ChatGPT, Cascading Style Sheets (CSS), Generative AI, AI Integrations, Development Environment, JavaScript Frameworks, Integrated Development Environments, Web Design and Development, Secure Coding, Node.JS, Javascript, Application Programming Interface (API), Security Controls, Package and Software Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, User Experience Design, Web Design and Development, User Interface (UI) Design, Development Environment, Web Development Tools, Front-End Web Development, Web Design, Javascript, Web Development, Web Applications, Responsive Web Design, Microsoft Visual Studio
Beginner · Course · 1 - 3 Months

Skills you'll gain: SonarQube, Continuous Integration, Code Coverage, Vulnerability, Code Review, Security Testing, CI/CD, Secure Coding, Application Security, Vulnerability Scanning, Continuous Delivery, DevSecOps, Software Quality Assurance, Maintainability, Vulnerability Management, Software Technical Review, Security Management, Data Integration, Quality Improvement, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Development Testing, Integrated Development Environments, Software Testing, Quality Assurance, Test Case, Verification And Validation, Java, Software Development Tools, Java Programming, Performance Tuning, Debugging, Performance Testing
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Development Tools, Web Applications, Web Frameworks, Scalability, JavaScript Frameworks, Web Development, File I/O, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Operational Databases, Application Programming Interface (API), Software Development Tools
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, User Experience Design, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Experience, Javascript, Front-End Web Development, Systems Development Life Cycle, Hypertext Markup Language (HTML), Mockups, GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, Cascading Style Sheets (CSS), Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, Video Game Development, JavaScript Frameworks, Interactive Design, HTML and CSS, Hypertext Markup Language (HTML), Program Development, Interaction Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, Algorithms, Web Development Tools, Javascript, Code Reusability, Programming Principles, Development Environment, Integrated Development Environments, Application Programming Interface (API), Debugging, Hypertext Markup Language (HTML), HTML and CSS, Program Development, Computer Programming, Data Access, Theoretical Computer Science, Computational Thinking, Performance Tuning, Data Management
Beginner · Specialization · 1 - 3 Months