Java records are a new language feature that reduces verbosity and enables optimized runtime performance. This Java records tutorial shows how they work.

Java is an object-oriented language, and Java constructors are how you create objects. Learn about object creation in this full Java constructor tutorial.

For more on that, check out our guide to Android development for beginners. For the purposes of this Java tutorial, it may be easier to write your code directly into a Java compiler app.

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks.