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补充switch的使用

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LIU 2020-11-17 19:26:46 +08:00 committed by GitHub
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notes/Java 基础.md
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@ -406,7 +406,7 @@ switch (s) {
} }
``` ```
switch 不支持 long，是因为 switch 的设计初衷是对那些只有少数几个值的类型进行等值判断，如果值过于复杂，那么还是用 if 比较合适。 switch 不支持 long、float、double，是因为 switch 的设计初衷是对那些只有少数几个值的类型进行等值判断，如果值过于复杂，那么还是用 if 比较合适。
```java ```java
// long x = 111; // long x = 111;