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.

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microservices, Application Deployment, Google Cloud Platform, Cloud Applications, Spring Boot, Kubernetes, Java, Software Architecture, Data Migration, Cloud Services, Application Performance Management, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Event-Driven Programming, Interactive Data Visualization, Java, Java Programming, Object Oriented Programming (OOP), User Interface (UI), Object Oriented Design, Computer Programming, Algorithms, Software Engineering, Data Structures, Programming Principles, Software Documentation, Development Environment, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Git (Version Control System), Software Development Methodologies, JUnit, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, SQL, Full-Stack Web Development, Test Driven Development (TDD), Software Development, Restful API, Object Oriented Programming (OOP), Object Oriented Design, Database Management, MySQL, Digital Transformation, Relational Databases, Java Programming, Generative AI
Beginner · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Object Oriented Design, Java, Object Oriented Programming (OOP), Unit Testing, Java Programming, Application Development, Data Structures, Software Testing, Programming Principles, Test Driven Development (TDD), Computer Programming
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Unit Testing, Debugging, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Android Development, Cryptography, Software Design Patterns
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Software Development Life Cycle, Cloud-Native Computing, Istio, Software Architecture, Kubernetes, CI/CD, Cloud Computing Architecture, Application Deployment, React Redux, Node.JS, Responsive Web Design, Restful API, Django (Web Framework), Git (Version Control System), Server Side, Hypertext Markup Language (HTML), Cloud Computing, Data Import/Export, Engineering Software
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

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

Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Object Oriented Programming (OOP), Scripting Languages, Event-Driven Programming, Node.JS, Scripting, JSON, Computer Programming, Data Structures, Debugging, Package and Software Management, Program Development, Front-End Web Development, Functional Design
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: 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, Pivot Tables And Charts, Data Visualization Software, Programming Principles, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Spring Framework, Spring Boot, Application Development, Redis, Java, Application Design, Hibernate (Java), JUnit, Web Development, Database Development, Application Security, Performance Tuning, Command-Line Interface
Mixed · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Object Oriented Programming (OOP), Debugging, Data Structures
Beginner · Guided Project · Less Than 2 Hours