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.

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Web Design, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Cascading Style Sheets (CSS), Web Development Tools, Hypertext Markup Language (HTML), React.js, User Interface (UI), JavaScript Frameworks, Web Applications, Javascript, Web Servers, Server Side, Software Development Tools, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Mathematical Software, Data Manipulation, Jupyter, Python Programming, Numerical Analysis, Data Wrangling, Data Science, Java, R Programming, Interoperability, Java Programming, Programming Principles, Computer Programming, Development Environment, Statistical Analysis, Scripting Languages, C (Programming Language), Data Structures, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, TypeScript, Restful API, Back-End Web Development, Object-Relational Mapping, Web Development, Secure Coding, Server Side, Software Development Tools, Authentications, OAuth, Web Applications, Web Services, Unit Testing, Data Validation, Full-Stack Web Development, Authorization (Computing), Development Environment, Javascript, E-Commerce
Intermediate · Specialization · 3 - 6 Months

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

Packt
Skills you'll gain: Ajax, Angular, Web Components, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, UI Components, HTML and CSS, Code Reusability, User Interface (UI), Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Programming Principles, Computer Programming, Theoretical Computer Science, Computational Thinking, Javascript, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), UI Components, HTML and CSS, Front-End Web Development, Web Design, Animations, Javascript, Application Deployment, Interactive Design, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Usability, Code Reusability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: jQuery, Cascading Style Sheets (CSS), HTML and CSS, Usability, Javascript and jQuery, Hypertext Markup Language (HTML), Web Design and Development, Web Design, Web Development, Web Content, Front-End Web Development, Web Applications, Javascript, Design, JavaScript Frameworks, Interactive Learning
Mixed · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, DevSecOps, Open Web Application Security Project (OWASP), Cybersecurity, Security Testing, Mobile Security, Software Development Life Cycle, Cryptographic Protocols, Security Controls, Computer Security, Vulnerability Assessments, Continuous Monitoring, Vulnerability Management, Computer Programming, C and C++, Java Programming, Python Programming, C (Programming Language)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Mapping, Middleware, Verification And Validation, Business Process Automation, Process Driven Development, Data Integration, Process Modeling, File Transfer Protocol (FTP), Development Testing, Java, Data Validation, Java Programming, Code Reusability, Configuration Management, Data Persistence, System Configuration, File Management, File I/O
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Build Tools, Continuous Integration, Integrated Development Environments, Configuration Management, Java Programming, Package and Software Management, Development Environment, Software Installation, Dependency Analysis, Automation, Java, Product Lifecycle Management, Maintainability, Extensible Markup Language (XML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, TypeScript, Server Side, Software Development Tools, Development Environment, Web Servers, Web Development, Back-End Web Development, Web Applications, Javascript, Git (Version Control System), Webpack, Frontend Integration, Package and Software Management, File I/O, HTML and CSS, Event-Driven Programming
Intermediate · Course · 1 - 3 Months