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We all strive to make the best apps for our user, but often, we forget to consider the readability of our code. This can be a problem both for ourselves and...

Learn how to use type annotations, the Stream API, functional interfaces and Java 8.0's new Date and Time API in your Android projects.

Creating multithreaded Android applications doesn't have to mean lengthy code. Learn about Kotlin's useful techniques for running operations in parallel.

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Learn more about object-oriented programming in Kotlin with a look at abstract classes, interfaces, inheritance, and type aliases.

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Learn how to add default and static methods to your interfaces, create repeating annotations, and use lambda expressions and method references.

Learn some cool Kotlin class properties, such as late initialization, inline properties, and extension properties, as well as advanced Kotlin class types.

Lambda expressions can help you process huge amounts of data with ease. See how with this in-depth look at Java 8 features you can use in Android projects.

Get an introduction to object-oriented programming in Kotlin by learning about classes: constructors and properties, casting, and advanced class features.