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: Data Mapping, IBM WebSphere MQ, Middleware, Business Process Automation, Process Driven Development, Data Integration, Scenario Testing, File Transfer Protocol (FTP), Test Case, Development Testing, Data Validation, Java Programming, System Configuration, Debugging, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Metadata Management, Extract, Transform, Load, Data Integration, Data Pipelines, Data Processing, Java, Data Import/Export, Data Transformation, Software Documentation, Data Storage Technologies, Debugging
Mixed · Course · 1 - 4 Weeks

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

Northeastern University
Skills you'll gain: Agile Methodology, Web Design and Development, React.js, User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines, Front-End Web Development, Wireframing, Web Applications, HTML and CSS, Application Deployment, Responsive Web Design, Interactive Design, Javascript
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Data Processing, Java, Data Warehousing, File Management, Data Import/Export, Data Migration, Data Manipulation, Data Mapping, Scalability, Data Transformation, Software Documentation, Software Installation, Context Management, Data Storage Technologies, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Applications, Cloud Development, Application Development, Google Cloud Platform, API Gateway, Application Programming Interface (API), Cloud API, Serverless Computing, Authentications, Identity and Access Management, Secure Coding, Node.JS, Event-Driven Programming, Back-End Web Development, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ajax, JavaScript Frameworks, Web Applications, Javascript, Web Development Tools, Model View Controller, Event-Driven Programming, UI Components, HTML and CSS, Data Mapping, User Interface (UI), Routing Protocols, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, API Testing, Web Development, Javascript, Front-End Web Development, JSON, Middleware
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Application Deployment, Cloud-Native Computing, Infrastructure as Code (IaC), Cloud Applications, Cloud Deployment, Cloud Development, Google Cloud Platform, Docker (Software), Containerization, Performance Tuning, Debugging, Node.JS
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Integration, File Management, Scalability, Data Processing, Context Management, Java, Data Transformation, Maintainability
Mixed · Course · 1 - 4 Weeks