Reads the next byte of data from this input stream. The value
byte is returned as an <code>int</code> in the range
<code>0</code> to <code>255</code>. If no byte is available
because the end of the stream has been reached, the value
<code>-1</code> is returned.
<p>
This <code>read</code> method
cannot block.
@return the next byte of data, or <code>-1</code> if the end of the
stream has been reached.
Reads the next byte of data from this input stream. The value byte is returned as an <code>int</code> in the range <code>0</code> to <code>255</code>. If no byte is available because the end of the stream has been reached, the value <code>-1</code> is returned. <p> This <code>read</code> method cannot block.
@return the next byte of data, or <code>-1</code> if the end of the stream has been reached.