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: Java Programming, Functional Design, Performance Tuning, Application Programming Interface (API)
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

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence, Context Management
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Software Design, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Algorithms, Data Analysis, Java, Data Structures, Data Processing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Transaction Processing, File I/O, Data Access, Data Persistence, Stored Procedure, SQL, Data Integrity, Databases, Secure Coding
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Unit Testing, Docker (Software), Software Design Patterns, Object-Relational Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React Native, Software Development Life Cycle, Flutter (Software), Swift Programming, Mobile Development, Software Architecture, Apple Xcode, Android Studio, User Centered Design, Android Development, React Redux, Apple iOS, Responsive Web Design, Git (Version Control System), GitHub, Android (Operating System), Cascading Style Sheets (CSS), React.js, Large Language Modeling, AI Personalization
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Bootstrap (Front-End Framework), Web Development, Development Environment, Web Development Tools, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Scripting, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Experience Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience Design, User Experience, Design Research, Linux Commands, Usability, Debugging, User Interface (UI), Software Versioning, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, Javascript, Web Applications, Event-Driven Programming, Unit Testing, Application Programming Interface (API)
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Web Development Tools, Object Oriented Programming (OOP), Automation, Debugging
Intermediate · Course · 3 - 6 Months