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: Selenium (Software), Java, Java Programming, File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Test Script Development, Web Scraping, Apache, Web Development Tools, Data Import/Export, Verification And Validation, HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: File I/O, Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File Management, Development Environment, Programming Principles, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Algorithms, Application Programming Interface (API), Data Structures
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Object Oriented Design, Java, Java Programming, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Software Design, Computational Thinking, Education Software and Technology, Cultural Responsiveness, Digital pedagogy, Test Case, Computational Logic, Algorithms, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Application Development, UI Components
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Apache Maven, Java Programming, Java, Build Tools, Database Design, Database Development, Database Application, Eclipse (Software), Full-Stack Web Development, CI/CD, Web Applications, Code Reusability, Continuous Integration, Model View Controller, Web Development, Authentications, Authorization (Computing), Application Development, UI Components, Automation
Beginner · Specialization · 3 - 6 Months

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Hypertext Markup Language (HTML), User Experience Design, Design Research, Linux Commands, Unix, Usability, Cascading Style Sheets (CSS), User Centered Design, Experience Design, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, User Interface and User Experience (UI/UX) Design, Javascript, UI Components, Unit Testing, JavaScript Frameworks, Code Reusability, Application Development
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Duke University
Skills you'll gain: Software Design, Programming Principles, Program Development, Maintainability, Code Reusability, AI Personalization, Data Integration, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Data Mapping, Algorithms, Data Access, Java Programming, Java, Data Structures, Data Management
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Wireframing, Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Browser Compatibility, Web Development Tools, Javascript, Bootstrap (Front-End Framework), Web Design and Development, Debugging, Front-End Web Development, Verification And Validation, Web Development, Mockups, Interactive Design, Event-Driven Programming, Web Frameworks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Memory Management, Software Design Patterns, Functional Design
Intermediate · Course · 3 - 6 Months