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: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Database Management, Unit Testing, Java Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Wrangling, Data Analysis, Exploratory Data Analysis, Java, Data Processing, Data Manipulation, Java Programming, Statistical Methods, Statistics
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, Maintainability, Data Store, Software Design, Application Development, Data Import/Export, Data Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Java Programming, Java, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Routing Protocols, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Frontend Integration, Spring Boot, Restful API, Data Persistence, Web Services, Software Testing, Java Programming, Object-Relational Mapping, Java, Back-End Web Development, Secure Coding, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Computer Programming, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Event-Driven Programming, UI Components, Web Development Tools, Code Reusability, Front-End Web Development, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Unit Testing, Application Development, Software Design Patterns, Javascript, Development Environment, Context Management, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Dataflow
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, UI Components, Programming Principles, Game Design, User Interface (UI), Integrated Development Environments, Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), Web Frameworks, Application Frameworks, Wireframing, Hypertext Markup Language (HTML), Javascript
Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Model View Controller, Software Design Patterns, Software Design, Unified Modeling Language, Object Oriented Design, Code Review, Software Architecture, Programming Principles, Maintainability, Software Technical Review, Java Programming, System Design and Implementation, Java, Diagram Design, Object Oriented Programming (OOP), Code Reusability, Application Design
Intermediate · Course · 1 - 4 Weeks