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