单选题:在读取二进制数据文件的记录时,为了提高效率常 常使用的一种辅助类是(  )。

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  • 题目类型:单选题
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题目内容:
在读取二进制数据文件的记录时,为了提高效率常
常使用的一种辅助类是(  )。 A.InputStream
B.FileInputStream
C.StringBuffer
D.BufferedReader

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