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: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Front-End Web Development, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Spring Boot, Software Architecture, API Gateway, Web Services, Object-Relational Mapping, Transaction Processing, Data Persistence, Service Oriented Architecture, Cloud Computing Architecture, JSON, YAML, Load Balancing, Unit Testing, Java Programming, Enterprise Application Management
Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Application Deployment, Django (Web Framework), Ajax, Object-Relational Mapping, jQuery, Model View Controller, Hypertext Markup Language (HTML), JSON, Database Design, SQL, Databases, Web Applications, Application Development, Javascript, Object Oriented Programming (OOP), Web Development, Back-End Web Development, Data Modeling, Application Security, Cascading Style Sheets (CSS)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Software Development, Development Environment, Integrated Development Environments, Computer Programming, Software Engineering, Programming Principles
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Git (Version Control System), Android Development, File I/O, Android Studio, Mobile Development, Data Persistence, Java Programming, Application Development, Event-Driven Programming, Computer Programming
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Data Access, Data Persistence, Java, Relational Databases, Data Mapping, JUnit, Query Languages, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Java, Object Oriented Design, File I/O, Program Development, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model View Controller, Software Design Patterns, Java Platform Enterprise Edition (J2EE), Web Applications, Back-End Web Development, Server Side, Data Access, Integrated Development Environments, Employee Performance Management, Registration, Databases, Authentications
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Front-End Web Development, Web Design and Development, HTML and CSS, User Interface and User Experience (UI/UX) Design, Web Applications, UI Components, Browser Compatibility, Javascript, Interactive Design, Mobile Development, Typography, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Algorithms, Pseudocode, Javascript, Data Structures, Computational Thinking, Performance Tuning, Computer Programming, Solution Design, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Development Tools, Javascript, Development Environment, Integrated Development Environments, Computer Programming, Debugging, HTML and CSS, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Event-Driven Programming, UI Components, Javascript, Interactive Design, Animations, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Real Time Data, Data Persistence
Intermediate · Course · 1 - 3 Months