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: Unified Modeling Language, Object Oriented Programming (OOP), Object Oriented Design, Test Driven Development (TDD), Software Design Patterns, Software Design, Programming Principles, Computer Programming, Java Programming, Software Development Methodologies, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Mobile Development, Web Applications, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Web Development, Responsive Web Design, Video Game Development, Application Development, Cascading Style Sheets (CSS), Interactive Design, Computer Programming, Database Application, Machine Learning
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Java Programming, Test Script Development, Program Development, Application Frameworks, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Object Oriented Programming (OOP), Software Design Patterns, Object Oriented Design, Java, Software Design, Application Design, Test Driven Development (TDD)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object-Relational Mapping, Hibernate (Java), Apache Maven, Model View Controller, Spring Framework, Relational Databases, Database Design, MySQL, Java, Full-Stack Web Development, Database Development, Authentications, Web Applications, Application Frameworks, Back-End Web Development, Data Validation, Data Modeling
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Java, Software Architecture, Object Oriented Programming (OOP), Data Structures, Software Design, Computer Programming, Programming Principles, Application Development, UI Components
Mixed · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Algorithms, Data Structures, Theoretical Computer Science, Computational Thinking, Java, Performance Testing, Simulations, API Design
Intermediate · Course · 3 - 6 Months

KodeKloud
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Application Development, Linux Commands, Devops Tools, Operating System Administration, General Networking, Web Applications, Network Switches, Cloud Applications, Java, DevOps, Computer Programming, Node.JS, Software Installation
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Object Oriented Programming (OOP), Video Game Development, Web Applications, Data Persistence, Scripting, Computer Programming, Front-End Web Development, Web Development, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Test Data, Debugging, Configuration Management
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Unit Testing, Programming Principles, Javascript, React Native, JSON, Computer Programming, Node.JS, Object Oriented Programming (OOP), Software Testing, Functional Design
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Object Oriented Design, Software Engineering, Software Development Tools, Software Testing, Program Development, Software Architecture, Ethical Standards And Conduct, Algorithms
Intermediate · Course · 1 - 3 Months