---
title: "Discussion on \"Chapter 5 : UseCase02 - Transformations\" | Hashnode"
description: "Discussion on \"Chapter 5 : UseCase02 - Transformations\". UC 02 — Flow Transformations: map, filter, take, onEach\nIn the previous chapter, we learned that a Flow is lazy and only executes when collected.\nNow we take the next step.\nWe will transform the strea"
url: "https://hashnode.com/posts/chapter-5-usecase02-transformations/6990c2c6cd88f4f7365d4fee"
---

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# [Chapter 5 : UseCase02 - Transformations](https://kotlinflow.hashnode.dev/chapter-5-usecase02-transformations?utm_source=hashnode&utm_medium=feed)

UC 02 — Flow Transformations: map, filter, take, onEach In the previous chapter, we learned that a Flow is lazy and only executes when collected. Now we take the next step. We will transform the strea

Jan 19 · 4 min read · kotlinflow.hashnode.dev  
Updated Feb 19  
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-   [#transformation](https://hashnode.com/tag/transformation)
-   [#filter](https://hashnode.com/tag/filter)
-   [#map](https://hashnode.com/tag/map)
-   [#operators](https://hashnode.com/tag/operators)
-   [#kotlin](https://hashnode.com/tag/kotlin)
-   [#kotlin-flow](https://hashnode.com/tag/kotlin-flow)

## Written by

[Ganesh Rama Hegde](https://hashnode.com/@hegde10122)

@hegde10122 · Mumbai,India

  
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