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.

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

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

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: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming
★ 4.6 (54) · Intermediate · Guided Project · Less Than 2 Hours

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

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

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Programming Principles, Software Documentation, Data Structures
★ 4.1 (942) · Beginner · Course · 1 - 3 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

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Front-End Web Development, Javascript, Software Design Patterns, Java, Java Programming, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Maintainability, Web Development
★ 4.4 (119) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Memory Management, Programming Principles, Software Engineering, Debugging, Program Development, IntelliJ IDEA, Application Development, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java Programming, Object-Relational Mapping, Java, Application Servers, Application Deployment, Data Persistence, Data Access, Code Reusability
★ 4.8 (60) · Intermediate · Course · 1 - 4 Weeks