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.

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Skills you'll gain: Mobile Development, React.js, Web Applications, Event-Driven Programming, Application Development, UI Components, Front-End Web Development, Cascading Style Sheets (CSS), Javascript, Hypertext Markup Language (HTML), Debugging
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, JUnit, Performance Tuning, Debugging, Algorithms, Object Oriented Programming (OOP), Theoretical Computer Science, Unstructured Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Maintainability, Software Design, Program Development, Application Development, Data Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Data Persistence, Stored Procedure, SQL, Integration Testing, Application Development, Command-Line Interface, Application Deployment, Data Integrity, Databases, Programming Principles, Application Programming Interface (API), Secure Coding, System Programming, Mitigation
Intermediate · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Java, Mobile Development, Object Oriented Programming (OOP), Android (Operating System), Mockups, Java Programming, Application Design, Mobile Development Tools, Software Design Patterns, Application Development, User Interface (UI) Design, Prototyping, Application Lifecycle Management, User Interface and User Experience (UI/UX) Design, Software Design, Data Persistence, UI Components, Instagram
Intermediate · Specialization · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Event-Driven Programming, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Debugging, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Test Script Development, Unit Testing, Software Testing, Jenkins, CI/CD, Continuous Integration, Test Tools, Apache Maven, Automation, Regression Testing, Test Case, DevOps, Java, C# (Programming Language), Java Programming, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Spring Boot, Restful API, Data Persistence, Software Testing, Java, Back-End Web Development, Front-End Web Development, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development Tools, Web Design and Development, Web Development, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Javascript, Web Applications, Interactive Design, Full-Stack Web Development, Back-End Web Development
Beginner · Course · 1 - 3 Months

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

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Integrity
Intermediate · Course · 1 - 3 Months