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Adrian Kuta
2020-01-08 13:31:10 +01:00
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# Tree (Data Structure)
![status](https://img.shields.io/badge/status-WorkInProgress-red)
[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://github.com/AdrianKuta/Design-Patterns-Kotlin/blob/master/LICENSE)
Simple implementation to store object in tree structure. Method `toString()` is overrided to provide nice tree view in logs.
## Usage
```kotlin
val root = TreeNode<String>("Root")
val beveragesNode = TreeNode<String>("Beverages")
val curdNode = TreeNode<String>("Curd")
root.addChild(beveragesNode)
root.addChild(curdNode)
val teaNode = TreeNode<String>("tea")
val coffeeNode = TreeNode<String>("coffee")
val milkShakeNode = TreeNode<String>("Milk Shake")
beveragesNode.addChild(teaNode)
beveragesNode.addChild(coffeeNode)
beveragesNode.addChild(milkShakeNode)
val gingerTeaNode = TreeNode<String>("ginger tea")
val normalTeaNode = TreeNode<String>("normal tea")
teaNode.addChild(gingerTeaNode)
teaNode.addChild(normalTeaNode)
val yogurtNode = TreeNode<String>("yogurt")
val lassiNode = TreeNode<String>("lassi")
curdNode.addChild(yogurtNode)
curdNode.addChild(lassiNode)
println(root)
System.out.println("Remove: ${curdNode.value}")
root.removeChild(curdNode)
System.out.println("Remove: ${gingerTeaNode.value}")
root.removeChild(gingerTeaNode)
println(root)
```
*Output:*
<img src="https://github.com/AdrianKuta/Tree-Collection/blob/master/images/console_output.png" width=400>