生命周期 · java · 看云

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### 單例 ``` 1. 容器創建時對象創建 2. 容器在，對象在 3. 容器亡，對象亡總結：單例對象的聲明周期和容器相同 ``` ### 多例 ``` 1. 使用時，Spring框架為我們創建 2. 只要在使用，就一直活著 3. 沒有別的對象引用時，由java的垃圾回收器回收 ```

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