![[单项选择题] 下列哪个选项不是FilterInputStream的子类](http://www.mshxw.com/aiimages/31/578929.png "[单项选择题] 下列哪个选项不是FilterInputStream的子类")
[单项选择题] 下列哪个选项不是FilterInputStream的子类
A． CheckedInputStream
B． BufferedInputStream
C) PushbackInputStream
D． FileInputStream
正确答案：D
参考解析：Java中的FiherInputStream的子类有BufferedInputStream，CheckedInputStream，CipherInputStream，Da taInputStream，DigestInputStream，LineNumberInputStream，PushbackInputStream等。
