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.

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Data Import/Export, Code Reusability, Web Frameworks, Web Design and Development, Front-End Web Development, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Frontend Performance, Content Management, Cascading Style Sheets (CSS), Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vector Databases, Web Design and Development, AI Personalization, Web Development, Web Applications, HTML and CSS, Natural Language Processing, Data Store, Embeddings, Javascript, Database Management, LLM Application, Persona (User Experience), Real Time Data, Generative AI Agents
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Javascript, JSON, Event-Driven Programming, Web Design and Development, Web Development, Programming Principles, Web Applications, Computational Logic, Data Structures, Program Development, Application Deployment, Cascading Style Sheets (CSS), Context Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Webpack, Object Oriented Programming (OOP), Object Oriented Design, Full-Stack Web Development, JSON, Web Development Tools, Javascript, Event-Driven Programming, HTML and CSS, Application Programming Interface (API), Application Deployment, Web Applications, Web Development, Kanban Principles, Code Reusability, Hypertext Markup Language (HTML), Browser Compatibility, Programming Principles, Data Persistence, GitHub
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Software Architecture, Code Review, AI Workflows, AI Integrations, Software Design, Python Programming, Version Control, Java Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Merchandising, E-Commerce, Web Applications, Scalability, Business Technologies, Technology Solutions, Application Frameworks, Application Development, Systems Integration, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Test Tools, Test Data, Test Case, Test Script Development, Software Testing, Test Execution Engine, Java, Automation, Code Reusability
Intermediate · Course · 3 - 6 Months

Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Analytics, Data Processing, Distributed Computing, Debugging, Java Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Event-Driven Programming, Web Applications, Application Deployment, Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Code Reusability, Programming Principles, GitHub, Object Oriented Design, Object Oriented Programming (OOP), Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Development Environment, Web Development Tools, Test Tools, Unit Testing, Development Testing, Virtual Machines, Software Testing, Software Development Tools, Data Storage, Application Development, Debugging, Software Configuration Management, Javascript, Cryptographic Protocols, Event-Driven Programming, System Design and Implementation, Transaction Processing
Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Git (Version Control System), React.js, Version Control, GitHub, Debugging, Software Development Tools, Node.JS, Development Environment, Collaborative Software, Program Development, Development Testing, Software Testing, Software Versioning, Unit Testing, Maintainability, Application Deployment, Build Tools, Server Side, Scripting, Javascript
Intermediate · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Design and Product, Model View Controller, Debugging, Software Design, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Interface (UI) Design, Scripting, UI Components, Web Applications, Algorithms, Web Design and Development, JSON, Program Development, User Story, Javascript, Automation, Hypertext Markup Language (HTML), Data Structures
Beginner · Course · 1 - 4 Weeks