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: Jenkins, CI/CD, Continuous Integration, Version Control, Git (Version Control System), Java, Data Validation, Application Development, Object Oriented Programming (OOP), Software Architecture, Data Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, Query Languages, Data Modeling, Operational Databases, Back-End Web Development, Distributed Computing, Full-Stack Web Development, Performance Tuning, NoSQL, Data Manipulation, Database Design, Scalability, Data Integrity, Data Management, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Information Architecture, Software Architecture, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Debugging, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Computational Thinking, Java, Algorithms, Programming Principles, Computer Programming, Debugging, Solution Design
Advanced · Course · 1 - 3 Months

Packt
Skills you'll gain: Apache Maven, Build Tools, Dependency Analysis, Integrated Development Environments, Jenkins, Software Configuration Management, JUnit, Software Installation, Code Coverage, Software Versioning, Code Review, Shell Script, Project Management, Software Documentation, Automation, Systems Integration, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Spring Boot, Data Pipelines, Java, Restful API, Performance Tuning, Data Validation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Back-End Web Development, System Programming, Debugging, Computer Programming Tools, Data Access
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Server Side, Application Development, Data Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Apache, Web Design, Front-End Web Development, PHP (Scripting Language), Application Servers, User Interface and User Experience (UI/UX) Design, Full-Stack Web Development, HTML and CSS, Web Development, UI Components, Web Servers, Email Automation, Usability, Development Testing, Interactive Design, Java Platform Enterprise Edition (J2EE), Web Analytics and SEO
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Android Studio, Android Development, Kotlin, Object Oriented Programming (OOP), User Interface (UI) Design, UI Components, Relational Databases, Java Programming, PostgreSQL, Debugging, Database Design, Databases, Application Development, Application Design, User Interface (UI), Development Environment, Event-Driven Programming, Frontend Performance, System Design and Implementation, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Browser Compatibility, Web Applications, Node.JS, Javascript, Network Troubleshooting, Web Services, Front-End Web Development, Debugging, Real Time Data, Web Servers, Application Programming Interface (API), Telecommunications, Servers, Network Protocols
Intermediate · Course · 1 - 3 Months