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.

Yonsei University
Skills you'll gain: Text Mining, Data Mining, Unstructured Data, Data Preprocessing, Data Processing, Natural Language Processing, Classification Algorithms, Analytics, Java, Unsupervised Learning, Machine Learning Methods, Supervised Learning
Intermediate · Course · 1 - 3 Months
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Model Optimization, Performance Tuning, Memory Management, Docker (Software), Java, Java Programming, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Integrated Development Environments, Java Programming, Java, Development Environment, Debugging, Object Oriented Programming (OOP), Programming Principles
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C# (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Object Oriented Programming (OOP), Extensible Markup Language (XML), Extensible Languages and XML, Object Oriented Design, .NET Framework, Java, Programming Principles, Data Access, Database Management, User Interface (UI), Algorithms, UI Components, Event-Driven Programming, Computer Graphics, Program Development
Intermediate · Course · 3 - 6 Months

Pearson
Skills you'll gain: Java Programming, Java, Program Development, Application Frameworks, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Systems Development Life Cycle, Application Development, Software Development Life Cycle, Software Development, Agile Software Development, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Programming Principles, Java Programming, Spring Framework, Maintainability, Debugging, Java, Software Design Patterns
Beginner · Course · 1 - 3 Months
Skills you'll gain: Java, Java Programming, Performance Tuning, Data Structures, Software Engineering, Tree Maps, Scalability, Algorithms, Benchmarking, Theoretical Computer Science
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Tools, Test Data, Test Automation, Test Execution Engine, Integrated Development Environments, Java
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, Object Oriented Design, Software Design Patterns, Software Architecture, Web Design, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Program Development
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Unified Modeling Language, Software Design Patterns, Software Testing, Java, Software Engineering, Java Programming, User Interface and User Experience (UI/UX) Design, Unit Testing, Software Design, Software Architecture, API Design, Model View Controller, Software Development, Test Driven Development (TDD), Programming Principles, Conceptual Design, Databases
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: IntelliJ IDEA, Software Design, Object Oriented Programming (OOP), Apache Maven, Object Oriented Design, Integrated Development Environments, Software Development Tools, Build Tools, Version Control, Software Architecture, Git (Version Control System), GitHub, Data Import/Export, Development Environment, Java, Program Development, Kotlin, Debugging, Java Programming, Software Installation
Intermediate · Specialization · 1 - 3 Months