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.

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Mobile Development, Java, Object Oriented Programming (OOP), Android (Operating System), Mockups, Java Programming, Data Persistence, Application Design, Object Oriented Design, Mobile Development Tools, Application Development, Data Storage Technologies, Data Store, Software Design, Software Design Patterns, User Interface (UI) Design, JSON, Instagram
★ 4.6 (1.9K) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Object Oriented Programming (OOP), Functional Design, Development Environment
★ 4.6 (12) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Development Testing, Software Testing, Testability, Java, Test Case
★ 3.6 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Java Programming, Program Development, Application Development, Programming Principles, Data Storage, Data Entry, Computer Programming, Algorithms
★ 4.6 (8) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: JSON, API Testing, Restful API, Software Quality Assurance, Software Engineering, Application Programming Interface (API), Test Script Development, Java Programming, Java, Data Mapping, Software Testing, Test Case, Web Services
★ 4.6 (20) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Object Oriented Design, Java Programming, Java, Object Oriented Programming (OOP), Programming Principles, Software Design, Education Software and Technology, Computer Programming, Program Development, Debugging, Data Structures, Algorithms
★ 4.8 (14) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Java Programming, Java, Pedagogy, Program Development, Object Oriented Programming (OOP), Computer Programming, Computational Thinking, Cultural Responsiveness, Digital pedagogy, Object Oriented Design, Algorithms
★ 4.7 (11) · Beginner · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Model View Controller, Software Design Patterns, Software Design, Unified Modeling Language, Object Oriented Design, Code Review, Software Architecture, Programming Principles, Maintainability, Software Technical Review, Java Programming, System Design and Implementation, Java, Diagram Design, Object Oriented Programming (OOP), Code Reusability, Application Design
★ 4.7 (1.4K) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Vulnerability Scanning, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software)
★ 4.4 (67) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Frontend Integration, Back-End Web Development, Full-Stack Web Development, Server Side, Email Automation, Data Access, Apache Tomcat, Front-End Web Development, Application Servers, Java Programming, HTML and CSS, Databases, PostgreSQL, Relational Databases, Java, User Interface (UI), Web Design, Database Development
★ 4.6 (52) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Eclipse (Software), Object Oriented Design, Program Development, Code Reusability, Computer Programming
★ 4.7 (24) · Intermediate · Guided Project · Less Than 2 Hours

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Application Development, Information Management, Command-Line Interface, Application Deployment, Data Integrity, Databases, OS Process Management, Application Programming Interface (API), Mitigation
★ 5 (6) · Intermediate · Specialization · 1 - 3 Months