@Override
    public int getLength()
    {
        if ( length == -1 ) {
            length = 0;
            for ( int j = 0; j < words.length; j++ ) {
                length = length + words[j].getLength();
            }
        } 
        
        return length;
    }
@ Override public int getLength ( ) { if ( length == - 1 ) { length = 0 ; for ( int j = 0 ; j < words . length ; j ++ ) { length = length + words [ j ] . getLength ( ) ; } } return length ; }
@see IChunk#getLength()