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.

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Software Development Tools, Java, Computer Programming Tools, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Virtual Machines, Algorithms
★ 4.4 (640) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Software Design, Software Architecture, Application Security, Programming Principles, Authorization (Computing), Authentications, Web Applications, Maintainability, Scalability, Application Development, Extensible Markup Language (XML), Application Design, Data Validation
★ 3.7 (15) · Intermediate · Specialization · 3 - 6 Months

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

Duke University
Skills you'll gain: File I/O, Object Oriented Design, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Program Development, Web Servers
★ 4.6 (3.2K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Programming Principles
★ 4.4 (180) · Beginner · Guided Project · Less Than 2 Hours

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Event-Driven Programming, Distributed Computing, Java Programming, Java, Scala Programming, Servers
★ 4.6 (507) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Application Security, Java, Java Programming, Model View Controller, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications
★ 4.4 (38) · Intermediate · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming
★ 4.6 (54) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Version Control, Spring Boot, Hibernate (Java), Object-Relational Mapping, GitHub, Git (Version Control System), Java Programming, Java, Software Documentation, Restful API, Model View Controller, User Accounts, Authentications, Application Programming Interface (API)
★ 4.3 (8) · Intermediate · Course · 3 - 6 Months

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

Universidad de los Andes
Skills you'll gain: Java, Java Programming, Code Reusability, Object Oriented Programming (OOP), Data Structures, Computer Programming, User Interface (UI), Programming Principles, Algorithms, Debugging
★ 4.6 (301) · Beginner · Course · 1 - 3 Months