tp://java.sun.com/javase/6/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Read slice of byte array from blob.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - byte array to be filled<DD><CODE>off</CODE> - offset into byte array<DD><CODE>len</CODE> - length to be read
<DT><B>Returns:</B><DD>number of bytes read
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html" title="class or interface in java.