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: Django (Web Framework), Blogs, User Accounts, Data Sharing, Web Applications, Authentications, Full-Stack Web Development, OAuth, Javascript, Social Media, Redis, Secure Coding, Ajax, Object-Relational Mapping, Restful API, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Computational Thinking, Data Structures, Algorithms, Problem Solving, Programming Principles, Computer Programming, Theoretical Computer Science, Javascript, Solution Design, Performance Tuning, Memory Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Web Design, JavaScript Frameworks, Javascript, Restful API, UI Components, Event-Driven Programming
Beginner · Course · 3 - 6 Months

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

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: Jenkins, Selenium (Software), Apache Maven, Continuous Integration, Build Tools, CI/CD, Object Oriented Programming (OOP), Object Oriented Design, Java, Software Design Patterns, Test Script Development, Test Automation, Java Programming, Code Reusability, Software Testing, Maintainability, Test Tools, Test Case, Browser Compatibility, Software Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Servers, Data Migration, Enterprise Application Management, Java Platform Enterprise Edition (J2EE), Java, Server Administration, Software Installation, Configuration Management, Command-Line Interface, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Build Tools, Cloud Deployment, Amazon Web Services, Software Architecture, Configuration Management, Java
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, Node.JS, PHP (Scripting Language), Back-End Web Development, Application Programming Interface (API), Servers, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

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

Edureka
Skills you'll gain: Vibe coding, Code Review, Continuous Integration, Integrated Development Environments, Prompt Engineering Tools, Context Engineering, AI Integrations, Prompt Patterns, Prompt Engineering, Software Development, Embeddings, Software Documentation, Software Engineering, Software Testing, Full-Stack Web Development, Application Development, Web Development, Software Design, Web Applications, Building Codes
Beginner · Course · 1 - 4 Weeks

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