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.

Packt
Skills you'll gain: Apache Maven, Build Tools, Dependency Analysis, IntelliJ IDEA, Integrated Development Environments, Software Configuration Management, Eclipse (Software), Configuration Management, Java, Software Installation, Code Coverage, Shell Script, Project Management, Software Documentation, Automation, Systems Integration, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: React Native, Application Deployment, Animations, OpenAI API, Mobile Development, UI Components, LLM Application, Apple iOS, User Interface (UI), Android Development, Hugging Face, Cross Platform Development, Mobile Development Tools, iOS Development, TypeScript, JavaScript Frameworks, Command-Line Interface, Javascript, Authentications
Advanced · Course · 1 - 3 Months

Skills you'll gain: Browser Compatibility, Web Applications, Node.JS, Javascript, Network Troubleshooting, Server Side, Web Development Tools, Live Streaming, Front-End Web Development, Debugging, Real Time Data, Web Servers, Telecommunications, Servers, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Frontend Performance, Scripting, Front-End Web Development, Real Time Data, Data Integrity, Data Storage, Maintainability, Performance Tuning, Debugging
Intermediate · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Web Applications, Web Components, Javascript, Program Development, Other Programming Languages, UI Components, Front-End Web Development, Web Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Back-End Web Development, Web Design, Front-End Web Development, Web Design and Development, Application Servers, HTML and CSS, Web Development, Web Applications, Email Automation, Usability, Java Platform Enterprise Edition (J2EE), UI Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, UI Components, User Interface (UI), JavaScript Frameworks, Web Applications, User Accounts, Front-End Web Development, User Interface and User Experience (UI/UX) Design, Javascript, Event-Driven Programming, Authorization (Computing), Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Javascript, Data Structures, Theoretical Computer Science, Computational Thinking, Programming Principles, Performance Tuning, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Test Driven Development (TDD), Test Script Development, Test Case, Web Development Tools, Development Testing, Unit Testing, Software Testing, Browser Compatibility, Testability, Test Tools, JavaScript Frameworks, Javascript, Mockups, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Big Data, Application Deployment, Social Network Analysis, Data Processing, Distributed Computing, Java, Text Mining, Graph Theory
Mixed · Course · 1 - 3 Months

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

Skills you'll gain: Node.JS, Web Servers, Server Side, Network Protocols, Debugging, Javascript, Web Applications, Cryptographic Protocols, Cryptography, Real Time Data
Intermediate · Course · 1 - 3 Months