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.

EDUCBA
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Application Development, Computer Programming, User Interface (UI), Programming Principles, Databases, System Design and Implementation, File Management, Data Validation
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Java Programming, Java, Maintainability, Software Design Patterns, Computer Programming, Object Oriented Programming (OOP), JUnit, C and C++, C++ (Programming Language), Application Programming Interface (API), UI Components, Algorithms, Application Development, Network Model, Software Development Tools, Data Structures, File Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Virtual Machines, Package and Software Management
Beginner · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Kotlin, Object Oriented Programming (OOP), Java, Java Programming, Spring Framework, Android Development, IntelliJ IDEA, Functional Design, Interoperability, Unit Testing
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Spring Boot, Spring Framework, Java Programming, Java, Java Platform Enterprise Edition (J2EE), Application Servers, Full-Stack Web Development, Hibernate (Java), Data Access, Web Services, Server Side, Performance Tuning, Web Applications, Model View Controller, Object-Relational Mapping, Restful API, SQL, Transaction Processing
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Front-End Web Development, Javascript, Software Design Patterns, Web Design and Development, Web Applications, Cascading Style Sheets (CSS), Maintainability, Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, JUnit, Generative AI, LLM Application, OpenAI, Prompt Engineering, Large Language Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java, Mobile Development, Java Programming, Object Oriented Programming (OOP), Application Frameworks, Android Development, Application Development, Program Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Data Analysis, Data Processing, Web Servers, File Management, Debugging
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Programming Principles, Software Design, Data Structures, Integrated Development Environments, Debugging, Development Environment
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, Java Programming, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Debugging, Data Structures, File Management
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, Java Programming, Java, Computer Programming, Data Structures, Development Environment, Problem Solving, Algorithms, Eclipse (Software), Debugging
Beginner · Course · 1 - 3 Months