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.

LearnQuest
Skills you'll gain: Object-Relational Mapping, Database Design, Data Access, Data Persistence, Java, Relational Databases, Data Mapping, Java Programming, JUnit, SQL, Database Development, Query Languages, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, File I/O, Object Oriented Design, Java, Development Environment, Computer Programming, Programming Principles, Data Persistence, Integrated Development Environments, Memory Management, Debugging, File Management, Application Development, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), Hypertext Markup Language (HTML), Web Frameworks, Web Development, Web Development Tools, Cascading Style Sheets (CSS), Web Design, React.js, General Networking, Javascript, Web Servers
Beginner · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Object Oriented Design, Object Oriented Programming (OOP), Functional Design, Computer Programming, Data Structures, Code Reusability, Computational Logic
Intermediate · Course · 1 - 3 Months

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
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Performance Tuning, OS Process Management
Intermediate · Course · 1 - 4 Weeks

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

Meta
Skills you'll gain: React Native, Jest (JavaScript Testing Framework), Version Control, User Research, UI/UX Research, Usability Testing, Unix Commands, Restful API, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, User Experience Design, SQL, User Interface and User Experience (UI/UX) Design, Mobile Development, Design Research, React.js, Web Development Tools, Javascript
Beginner · Specialization · 3 - 6 Months

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
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Systems Development Life Cycle, Cloud Deployment, Software Development Life Cycle, Server Side, Istio, Software Architecture, Node.JS, React Redux, Application Deployment, Restful API, Kubernetes, Database Design, CI/CD, Cloud-Native Computing, Responsive Web Design, Git (Version Control System), Ajax, Javascript, Azure DevOps, Software Development
Beginner · Professional Certificate · 3 - 6 Months

University of California San Diego
Skills you'll gain: Data Structures, Algorithms, Data Storage, Graph Theory, Computer Programming, C++ (Programming Language), Java Programming, Java
Intermediate · Course · 1 - 3 Months