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: Web Applications, Web Development, Web Development Tools, HTML and CSS, JavaScript Frameworks, OAuth, UI Components, Frontend Integration, Front-End Web Development, Authentications, React.js, Development Environment, Javascript, Software Installation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Spring Framework, JUnit, Spring Boot, Unit Testing, Integration Testing, Data Pipelines, Event-Driven Programming, Public Key Infrastructure, Encryption, Distributed Computing
Intermediate · Course · 3 - 6 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

Board Infinity
Skills you'll gain: Restful API, Spring Framework, Spring Boot, Hibernate (Java), API Design, Development Testing, Verification And Validation, Authentications, Object-Relational Mapping, Maintainability, Data Persistence, Authorization (Computing), Application Design, YAML, Role-Based Access Control (RBAC), Endpoint Security, Business Logic, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Web Development Tools, HTML and CSS, Web Development, Javascript, Web Design and Development, Cascading Style Sheets (CSS), Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Webpack, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Web Development Tools, Web Development, Javascript, Google Cloud Platform, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Scripting, Email Automation, Google Workspace, Google Sheets, Automation, Spreadsheet Software, Scripting Languages, Gmail, Javascript, Hypertext Markup Language (HTML), Web Applications, Application Design, Application Development, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Model Context Protocol, Vector Databases, Agentic Workflows, Tool Calling, Agentic systems, AI Workflows, Google Gemini, AI Orchestration, Server Side, Gemini, Generative AI Agents, Embeddings, Node.JS, Retrieval-Augmented Generation, Large Language Modeling, Web Development, PostgreSQL, Data Processing, Data Modeling, Javascript
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: 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

Vanderbilt University
Skills you'll gain: Event-Driven Programming, Programming Principles, Computer Programming, Computational Logic, Distributed Computing, Computer Science, Computational Thinking, Computer Networking, Data Structures, Network Model, Natural Language Processing, Algorithms, Problem Solving, Geospatial Information and Technology
Beginner · Course · 1 - 3 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