Project structure and build basics in Kotlin - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of the src/main/kotlin directory in a Kotlin project?

It holds the main Kotlin source code files that make up the application logic.

beginner

What file typically defines the build configuration in a Kotlin project using Gradle?

The build.gradle.kts file defines dependencies, plugins, and build tasks.

beginner

Why do Kotlin projects often have a src/test/kotlin directory?

It contains test code to verify that the main application code works correctly.

intermediate

What is the role of the gradlew script in a Kotlin project?

It runs Gradle tasks using the project's specified Gradle version, ensuring consistent builds.

beginner

What does the dependencies block in build.gradle.kts do?

It lists libraries and tools the project needs to compile and run.

Where should you put your Kotlin source files in a standard Gradle project?

A src/main/kotlin

B src/resources

C build/libs

D src/test/resources

The main Kotlin source files go in src/main/kotlin.

Which file controls the build process in a Kotlin Gradle project?

A build.gradle.kts

B settings.gradle

C gradlew.bat

D README.md

build.gradle.kts defines the build configuration.

What is the purpose of the src/test/kotlin folder?

A To store resource files

B To store compiled classes

C To store test code

D To store build scripts

src/test/kotlin holds test source files.

What does the Gradle wrapper (gradlew) ensure?

A Faster compilation

B Consistent Gradle version across machines

C Automatic code formatting

D Running tests only

Gradle wrapper ensures the same Gradle version is used everywhere.

In build.gradle.kts, where do you specify external libraries?

A repositories block

B plugins block

C tasks block

D dependencies block

The dependencies block lists external libraries.

Describe the typical folder structure of a Kotlin project using Gradle and explain the purpose of each main folder.

Think about where your code, tests, and build settings live.

Explain how the Gradle build system works in a Kotlin project and why the Gradle wrapper is useful.

Focus on build configuration and consistent environment.