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.

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Test Tools, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Script Development, Systems Development Life Cycle, Test Data, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Full-Stack Web Development, Email Automation, Front-End Web Development, HTML and CSS, User Interface (UI), Web Design, Code Reusability, Server Side, Java Programming, MySQL, Program Development, Hypertext Markup Language (HTML), Software Architecture, Web Applications, Data Access, Back-End Web Development, Development Testing, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java, Java Programming, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, AI Orchestration, LLM Application, OpenAI API, Java Programming, Java, AI Workflows, Agentic systems, Generative AI, Prompt Patterns, Prompt Engineering, AI Integrations, Persona (User Experience), Document Management, Secure Coding, Business Logic, Software Design Documents, Plan Execution, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development Tools, Web Design and Development, Web Development, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Web Frameworks, Javascript, Web Applications, Interactive Design, JavaScript Frameworks, Full-Stack Web Development, Back-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, Authentications, JSON, Security Testing, Authorization (Computing), Java Programming, Scenario Testing, Java, Test Tools
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Django (Web Framework), Ajax, jQuery, Model View Controller, Cascading Style Sheets (CSS), Javascript and jQuery, Hypertext Markup Language (HTML), JSON, HTML and CSS, Linux, Linux Commands, Application Development, Back-End Web Development, Database Application, Web Development, Cloud Deployment, Application Deployment, Javascript, SQL, Code Reusability
Intermediate · Specialization · 3 - 6 Months

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, grep, Linux Administration, Unix Shell, Scripting, Software Development Tools, File Management, Build Tools, Unix, Scripting Languages, Program Development, System Programming, Operating Systems
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
Intermediate · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Software Architecture, Unified Modeling Language, Systems Architecture, Software Design, Software Design Documents, Software Visualization, Product Family Engineering, Software Development, Software Documentation, Diagram Design, Software Technical Review, Application Deployment, Data Storage
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Web Development Tools, Front-End Web Development, Web Design, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Software Engineering Tools, Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Vulnerability Scanning, Vulnerability Assessments, Security Testing, Application Security, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
Intermediate · Specialization · 3 - 6 Months