void decodeAttributeBody(byte[] attributeValue,char offset,char length){
  username=new byte[length];
  System.arraycopy(attributeValue,offset,username,0,length);
}

void decodeAttributeBody ( byte [ ] attributeValue , char offset , char length ) { username = new byte [ length ] ; System . arraycopy ( attributeValue , offset , username , 0 , length ) ; }
copies the value of the username attribute from the specified attributevalue .
