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: Restful API, Application Security, Java, Java Programming, Application Frameworks, Model View Controller, Development Environment, Web Applications, Frontend Integration, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Role-Based Access Control (RBAC), Configuration Management
★ 4.4 (37) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Code Reusability, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Memory Management
★ 4.4 (35) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Virtual Machines, Package and Software Management, Memory Management
★ 4.7 (534) · Beginner · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Java, Java Programming, Object Oriented Programming (OOP), Integrated Development Environments, Data Structures, File I/O, Programming Principles, Algorithms, Computer Programming, Software Development Tools, Computational Thinking, Software Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Data Structures, File I/O, Java Programming, Data Access, Data Cleansing
★ 4.6 (20) · Intermediate · Guided Project · Less Than 2 Hours

JetBrains
Skills you'll gain: Kotlin, Java Programming, Java, IntelliJ IDEA, Android Development, Mobile Development, Object Oriented Programming (OOP), Integrated Development Environments, Functional Design, Interoperability, Computer Programming, Programming Principles, Scripting, Unit Testing, Software Development, Development Environment, Code Review
★ 4.7 (2.1K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub Copilot
Intermediate · Course · 3 - 6 Months

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Software Engineering, Programming Principles, Computer Programming, Computer Programming Tools, Software Design, Algorithms, Data Structures, Data Import/Export, Markov Model, Performance Tuning, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
★ 4.6 (1.5K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
★ 4.3 (10) · Advanced · Course · 1 - 3 Months

Peking University
Skills you'll gain: Java Programming, Java, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Software Design Patterns, Computer Programming, JUnit, Software Design, Program Development, UI Components, C and C++, Programming Principles, User Interface (UI), Application Development, Event-Driven Programming, Data Structures
★ 4.7 (209) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Spring Framework, Java, Spring Boot, Java Programming, Hibernate (Java), Web Development, Web Servers, Web Components, Servers, Application Deployment, Databases
★ 3.8 (13) · Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Performance Testing, Functional Design, Graph Theory
★ 4.6 (1.2K) · Intermediate · Course · 1 - 3 Months