Walkthrough - Kotlin Tour: Scope Functions

In this lesson, we explored Scope Functions (let, run, with, apply, and also), which allow you to execute a block of code within the context of an object, making your code more concise and readable.

Changes Made

Implementation

Created ScopeFunctions.kt which implements:
- let: Used for null-safety and transforming objects.
- apply: Used for object configuration (returns the object).
- run: Used for configuration and computing a result (returns the lambda result).
- also: Used for side effects like logging (returns the object).
- with: Used for grouping multiple calls on the same object.
- demonstrateExercises(): Includes the refactored user update example from the tour.
Updated App.java to execute these demonstrations.

Verification

Build: Successfully executed ./gradlew :app:assemble.
Logic: Verified the different return behaviors (object vs lambda result) and context object access (this vs it).

See the Step-by-Step Explanation for technical details.

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