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: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, Maintainability, Data Store, Software Design, Application Development, Data Import/Export, Data Management, Data Validation
★ 4.4 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Data Wrangling, Data Analysis, Exploratory Data Analysis, Java, Data Processing, Data Manipulation, Java Programming, Statistical Methods, Statistics
★ 4.5 (6) · Intermediate · Guided Project · Less Than 2 Hours

University of Alberta
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Software Design, Object Oriented Programming (OOP), Java, Java Programming, Maintainability, Code Reusability, Software Design Documents, Application Design, Conceptual Design, Diagram Design, Design Elements And Principles
★ 4.7 (2.4K) · Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Operations Research, Computer Programming, Java Programming, Java
★ 4.9 (2K) · Intermediate · Course · 3 - 6 Months

CentraleSupélec
Skills you'll gain: Android Studio, Android Development, Android (Operating System), Storyboarding, Application Design, Mobile Development, Application Development, Java, User Interface (UI) Design, UI Components, Java Programming, Software Documentation, Event-Driven Programming, Interactive Design, Development Environment, Software Installation, User Centered Design
★ 4.2 (2K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, UI Components, Programming Principles, Game Design, User Interface (UI), Integrated Development Environments, Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Computer Programming, Record Keeping
★ 4.3 (6) · Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
★ 4.8 (2.2K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object-Relational Mapping, Spring Framework, Hibernate (Java), Apache Maven, Model View Controller, Relational Databases, Database Design, MySQL, Java Programming, Databases, Web Applications, Java Platform Enterprise Edition (J2EE), Application Frameworks, Java, Full-Stack Web Development, Database Development, Authentications, Object Oriented Design, Back-End Web Development, Object Oriented Programming (OOP)
★ 4.7 (14) · Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), Web Frameworks, Application Frameworks, Wireframing, Hypertext Markup Language (HTML), Javascript
★ 4.7 (4.6K) · Beginner · Course · 1 - 4 Weeks