NotesUESTC/Android开发笔记/Kotlin基本语法笔记.md

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Markdown

```kotlin
Unit : 相当于JAVA的void
```
kotlin中when的用法
```kotlin
fun foo(value: Int): String {
return when (value) {
0 -> {
"Zero"
}
1 -> {
"One"
}
2 -> {
"Two"
}
else -> {
"Other"
}
}
}
```