public boolean anyNull() {
		// Skip the header.
		if ((segments[0].getLong(0) & FIRST_BYTE_ZERO) != 0) {
			return true;
		}
		for (int i = 8; i < nullBitsSizeInBytes; i += 8) {
			if (segments[0].getLong(i) != 0) {
				return true;
			}
		}
		return false;
	}
public boolean anyNull ( ) { if ( ( segments [ 0 ] . getLong ( 0 ) & FIRST_BYTE_ZERO ) != 0 ) { return true ; } for ( int i = 8 ; i < nullBitsSizeInBytes ; i += 8 ) { if ( segments [ 0 ] . getLong ( i ) != 0 ) { return true ; } } return false ; }
The bit is 1 when the field is null. Default is 0.