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: 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, Email Marketing, MySQL, Program Development, Hypertext Markup Language (HTML), Software Architecture, Web Applications, Back-End Web Development, Development Testing, Cascading Style Sheets (CSS), Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Testing, Application Programming Interface (API), Authentications, Test Script Development, Test Automation, JSON, Security Testing, Java Programming, Scenario Testing, Java, Test Tools, Test Case, Build Tools, Authorization (Computing), Development Environment, Data Validation, Verification And Validation, Back-End Web Development
Beginner · Specialization · 1 - 3 Months

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

University of Maryland, College Park
Skills you'll gain: Android Development, Mobile Development, Android Studio, Android (Operating System), Application Development, User Interface (UI), Application Design, UI Components, Java, Development Environment, Authorization (Computing), Application Lifecycle Management
Mixed · Course · 1 - 3 Months

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: Java Programming, PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Database Development, Systems Development, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Process Modeling, Payment Systems, Document Management, Authentications, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Laboratory Experience, Laboratory Reports, Software Design, Application Specific Integrated Circuits, System Design and Implementation, Embedded Software, Systems Design, Embedded Systems, Electronic Hardware, Electronics Engineering, Electronic Systems, Electrical and Computer Engineering, Eclipse (Software), Laboratory Testing, Test Script Development, Program Development, Microarchitecture, Computer Architecture
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

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

Vanderbilt University
Skills you'll gain: Git (Version Control System), Version Control, Android Development, File I/O, Android (Operating System), Android Studio, Mobile Development, Data Persistence, Java Programming, Application Development, Event-Driven Programming, Computer Programming
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Database Management Systems, Java Platform Enterprise Edition (J2EE), Query Languages
Beginner · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, General Networking, Javascript, Network Security, Computer Networking, Application Security, Computational Thinking, Computer Programming Tools, Visualization (Computer Graphics), Applied Mathematics, Computer Programming, General Mathematics, Numerical Analysis, Problem Solving
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Verification And Validation, Development Testing, Authentications, Model View Controller, Back-End Web Development, Code Reusability, Object-Relational Mapping, Programming Principles, Maintainability
Intermediate · Specialization · 1 - 3 Months