Kotlin courses can help you learn the basics of the language, object-oriented programming, functional programming principles, and Android app development. You can build skills in writing clean code, integrating APIs, and debugging applications effectively. Many courses introduce tools like Android Studio for app development and Gradle for project management, showing how these skills are applied in real-world software projects.

Skills you'll gain: Spring Framework, Java, Application Frameworks, Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Extensible Markup Language (XML), Dependency Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Apple Xcode, Swift Programming, Integrated Development Environments, Apple iOS, Software Testing, Unit Testing, Application Programming Interface (API), Network Troubleshooting, Code Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple iOS, Authentications, Application Programming Interface (API), Restful API, Mobile Development, Data Store
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple Xcode, iOS Development, Apple iOS, Swift Programming, Mobile Development, Application Development, User Interface (UI), Programming Principles, User Interface (UI) Design, Responsive Web Design, Animations
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Application Deployment, Containerization, Scalability, Cloud Deployment, Google Cloud Platform, Managed Services
Beginner · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Unit Testing, Enterprise Application Management, Java, Integration Testing, Configuration Management, Software Design Patterns, Extensible Markup Language (XML), Context Management, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Test Case, Program Development, Software Testing, Java Programming, Java, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Command-Line Interface, Go (Programming Language), Package and Software Management, Programming Principles, Program Development, Data Structures, Debugging
Beginner · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: JUnit, Unit Testing, Maintainability, Software Design Patterns, Software Testing, Test Automation, Integration Testing, Test Driven Development (TDD), Testability, Software Engineering, Android Development, Application Security, Test Case, Software Design, Software Architecture, Mobile Security, Application Design
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Eclipse (Software), Java, Java Programming, Functional Design
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Preprocessing, Java, Data Structures, File I/O, Java Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Maven, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Unit Testing, Docker (Software), Software Design Patterns, Object-Relational Mapping
Intermediate · Course · 1 - 3 Months