Tells whether or not this buffer is <a href="ByteBuffer.html#direct"><i>direct</i></a>.
@return <tt>true</tt> if, and only if, this buffer is direct
See Implementation
Tells whether or not this buffer is <a href="ByteBuffer.html#direct"><i>direct</i></a>.
@return <tt>true</tt> if, and only if, this buffer is direct