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.

Heriot-Watt University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming, Application Development, Program Development, Programming Principles, Computational Logic, Software Development, Software Development Life Cycle, Debugging
Build toward a degree
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Programming Principles, Data Structures
Beginner · Guided Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Restful API, Application Deployment, Microservices, Docker (Software), Spring Boot, Spring Framework, Containerization, CI/CD, API Design, Application Programming Interface (API), Java Programming, Hibernate (Java), Back-End Web Development, Systems Architecture, Java, Software Architecture, Software Design, Authentications, Software Development, IntelliJ IDEA
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: JUnit, Apache Maven, Java Programming, Java, Unit Testing, Software Design Patterns, Test Automation, Build Tools, Software Design, Data Access, Maintainability, Software Testing, IntelliJ IDEA, SQL, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Software Engineering, Software Development, Design Strategies
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, Generative AI Agents, LLM Application, AI literacy, Agentic Workflows, AI Orchestration, OpenAI API, AI Enablement, Java, Java Programming, AI powered creativity, Agentic systems, Generative AI, Artificial Intelligence, Large Language Modeling, AI Workflows, Tool Calling, AI Integrations
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Continuous Integration, Database Development, Cloud Deployment, Application Security, Java, Containerization, Spring Framework, SQL, NoSQL, Docker (Software), Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting Languages, Scripting, Middleware, Server Side, Data Storage, Data Sharing, Data Persistence, Event-Driven Programming, Enterprise Application Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Apache Maven, Java, Object Oriented Design, Java Platform Enterprise Edition (J2EE), Build Tools, Application Servers, Memory Management, Hibernate (Java), Unit Testing, File I/O, Application Frameworks, Data Persistence, Docker (Software), Software Testing, Software Design Patterns, Integrated Development Environments, Object-Relational Mapping, Functional Design, Dependency Analysis
Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Event-Driven Programming, Distributed Computing, Java Programming, Dataflow, Java, OS Process Management, Scala Programming, Data Structures, Scalability, Programming Principles, Server Side, Servers, Application Frameworks, Algorithms, Performance Tuning, Performance Testing, Functional Design
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Software Development Tools, Java, Computer Programming Tools, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Virtual Machines, Algorithms
Beginner · Course · 1 - 4 Weeks