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                ## 按位運算符 按位與 & 按位或 | #### 作用: 1、做算術運算: 1. 現將所有的十進制數轉為二進制數,然后相互比較,按位與所有為1才為1,全部為0 才為 0,然后再將結果轉為十進制。 2、做關系運算 1. 和邏輯運算基本一致,與邏輯不一樣是:邏輯運算符有短路功能,按位運算符沒有 ``` 邏輯運算具有短路功能,邏輯運算不具有 按位運算可以做算術運算,邏輯與不可以 ```
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