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: Plot (Graphics), Scientific Visualization, Statistical Visualization, Mathematical Software, Data Manipulation, Jupyter, Python Programming, Numerical Analysis, Data Wrangling, Data Science, Other Programming Languages, Java, R Programming, Interoperability, Java Programming, Programming Principles, Computer Programming, Development Environment, C (Programming Language), Machine Learning
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: Vibe coding, Prompt Engineering, Prompt Patterns, AWS SageMaker, AI Integrations, Generative AI Agents, Amazon Web Services, Infrastructure as Code (IaC), Prompt Engineering Tools, AI Security, AI Enablement, Generative AI, AI Personalization, AWS CloudFormation, AI Workflows, Computer Programming, Computer Programming Tools, Artificial Intelligence, Autoencoders, Building Codes
Beginner · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, File I/O, Programming Principles, Computer Programming, Code Reusability, Data Structures, Software Engineering, Program Development, Data Access, Data Persistence, Unit Testing, Debugging, OS Process Management, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Java, Java Programming, Programming Principles, Computer Programming, Performance Tuning, Computational Thinking, Theoretical Computer Science, Solution Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Frontend Integration, Spring Boot, Restful API, Data Persistence, Web Services, Software Testing, Java Programming, Object-Relational Mapping, Java, Back-End Web Development, Secure Coding, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Software Architecture, Model View Controller, Unified Modeling Language, Object Oriented Design, Service Oriented Architecture, API Design, Systems Architecture, Web Services, Software Design Patterns, Software Design, Simple Object Access Protocol (SOAP), Microservices, Restful API, Software Design Documents, Software Visualization, Code Review, Product Family Engineering, Object Oriented Programming (OOP), Software Development, Java
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Database Management, Unit Testing, Java Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, JSON, Data Validation, Test Automation, Test Case, Development Environment, Verification And Validation
Mixed · 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

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

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