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.

Packt
Skills you'll gain: Java, Object Oriented Design, File I/O, Web Servers, Program Development, Server Side, Programming Principles, Test Engineering, Code Reusability, Animation and Game Design, Encryption, Software Installation, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Maintainability, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Computer Programming, Data Structures, Code Reusability, Debugging, Functional Design
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Object Oriented Design, Version Control, Web Design and Development, Web Content Accessibility Guidelines, Design Software, Adobe XD, Responsive Web Design, .NET Framework, Microsoft Visual Studio, User Experience, Hypertext Markup Language (HTML), Authorization (Computing), AI Integrations, Application Security, Computational Thinking, User Interface (UI) Design, Web Components, Pseudocode, Microsoft Development Tools, Javascript
Beginner · Professional Certificate · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Android Development, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, Event-Driven Programming, User Interface (UI), Data Persistence
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Ajax, jQuery, Javascript and jQuery, JSON, Django (Web Framework), Web Applications, Javascript, Debugging, Data Modeling, Event-Driven Programming, Data Access, Object Oriented Programming (OOP), Python Programming
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Preprocessing, Model Deployment, Apache Mahout, Java, Java Programming, Apache Spark, Classification Algorithms, Machine Learning Software, Machine Learning Methods, Model Training, Applied Machine Learning, Deep Learning, Data Processing, Model Evaluation, Natural Language Processing, Data Cleansing, Machine Learning, Feature Engineering, Data Transformation, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, API Testing, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Application Programming Interface (API), Systems Architecture, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications, Application Frameworks
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Full-Stack Web Development, Application Design, Node.JS, Django (Web Framework), Back-End Web Development, Web Applications, Web Design and Development, Front-End Web Development, Restful API, Application Development, GitHub, Microservices, Web Development, User Accounts, Kubernetes, Frontend Integration, Javascript
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: React.js, Debugging, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript, Cascading Style Sheets (CSS)
Intermediate · Guided Project · Less Than 2 Hours

KodeKloud
Skills you'll gain: Network Support, Network Administration, DevOps, Software Development Tools, Networking Hardware, Network Troubleshooting, Command-Line Interface, Web Development, Cloud Applications, Development Environment, Virtualization and Virtual Machines, Virtual Machines, Virtual Environment, Virtualization, Dependency Analysis, Software Development
Beginner · Course · 1 - 4 Weeks