public static boolean isSet(Object baseObject, long baseOffset, int index) {
    assert index >= 0 : "index (" + index + ") should >= 0";
    final long mask = 1L << (index & 0x3f);  // mod 64 and shift
    final long wordOffset = baseOffset + (index >> 6) * WORD_SIZE;
    final long word = Platform.getLong(baseObject, wordOffset);
    return (word & mask) != 0;
  }
public static boolean isSet ( Object baseObject , long baseOffset , int index ) { assert index >= 0 : "index (" + index + ") should >= 0" ; final long mask = 1L << ( index & 0x3f ) ; final long wordOffset = baseOffset + ( index > > 6 ) * WORD_SIZE ; final long word = Platform . getLong ( baseObject , wordOffset ) ; return ( word & mask ) != 0 ; }
Returns {@code true} if the bit is set at the specified index.