static ByteBuffer newByteBuffer(int capacity){
  ByteBuffer newbb=ByteBuffer.allocate(capacity);
  newbb.order(ByteOrder.LITTLE_ENDIAN);
  return newbb;
}

static ByteBuffer newByteBuffer ( int capacity ) { ByteBuffer newbb = ByteBuffer . allocate ( capacity ) ; newbb . order ( ByteOrder . LITTLE_ENDIAN ) ; return newbb ; }
create a ` bytebuffer ` with a given capacity .
