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DevOps / Gradle8 Interview Questions

What are the types of Gradle DSLs?

Gradle build scripts can be written in one of two domain-specific languages, both ultimately configuring the same underlying build model.

Groovy DSLKotlin DSL
File: build.gradleFile: build.gradle.kts
Dynamically typed, more concise for simple scripts.Statically typed, better IDE autocompletion and refactoring support.
The original, still widely used in existing projects.Gradle's own recommended default for new projects.

Both DSLs compile down to the same build logic and can even coexist in the same multi-project build (one module using Groovy, another Kotlin), though mixing isn't typically recommended for consistency. The choice mostly comes down to whether the team values Groovy's terser syntax or Kotlin's stronger tooling and compile-time type safety.

Which file extension indicates a Gradle build script uses the Kotlin DSL?
What is a key advantage of the Kotlin DSL over the Groovy DSL?

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