interface Interaction {}和getFilePointer() 是做什么用的?

spartafan 2004-07-09 02:43:38

它们好象和IO有关,是吗?

谢谢!

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spartafan 2004-07-11

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抄javadoc的吧。

我问的是它返回的值是什么位置的。在一个记录的前面还是后面。

bon_jovi 2004-07-09

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public long getFilePointer()
throws IOException

Returns the current offset in this file.

Returns:

the offset from the beginning of the file, in bytes, at which the next read or write occurs.

Throws:

IOException - if an I/O error occurs.

Interaction不清楚

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