Trino is written in Java. Trino contributors and maintainers are often veterans in the Java ecosystem and community, and Trino is very modern when it comes to Java. For example, Trino now requires the latest Java version and actively uses new features. When it comes to JavaScript however, the story is a bit more complicated. Of course, JavaScript is commonly used in the Trino ecosystem and codebase. Let’s look at some of the specifics.