1.
void |
write(byte[] buffer) Writes the entire contents of the byte array buffer
to this stream. |
void |
write(byte[] buffer,
int offset, int count) Writes count bytes from
the byte array buffer starting at offset to this
stream. |
void |
write(int oneByte)
Writes the specified byte oneByte to this stream. |
Java基础知识强化之IO流笔记19：FileOutputStream的三个write方法
原文：http://www.cnblogs.com/hebao0514/p/4850712.html