# [Java] StringBuffer 和 StringBuilder 差異 ###### tags: `Java` - StringBuilder - 動態接大量字串速度較快[^StringBuilderlink] - 適合不需考量多執行緒同步的情況 - StringBuffer - 適合多執行緒同步的情況 ### :triangular_flag_on_post: method - 清除的方式非 `clear()` ```=java delete(int start, int end) //example stringBuffer.delete(0, stringBuffer.length()); ``` [^StringBuilderlink]:[示範](https://dotblogs.com.tw/jeff-yeh/2008/11/04/5870)
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