docs: public static int[] longestWord(LinkedList<AT_Row> rows, int colNumbers){
  		if(rows==null){
  			return null;
  		}
  
  		if(rows.size()==0){
  			return new int[0];
  		}
  
  		int[] ret = new int[colNumbers];
  
  		for(AT_Row row : rows){
  			if(row.getType()==TableRowType.CONTENT) {
  				LinkedList<AT_Cell> cells = row.getCells();
  
  				for(int i=0; i<cells.size(); i++) {
  					if(cells.get(i).getContent()!=null){
  						String[] ar = StringUtils.split(Object_To_StrBuilder.convert(cells.get(i).getContent()).toString());
  						for(int k=0; k<ar.length; k++){
  							int count = ar[k].length() + cells.get(i).getContext().getPaddingLeft() + cells.get(i).getContext().getPaddingRight();
  							if(count>ret[i]){
  								ret[i] = count;
  							}
  						}
  					}
  				}
  			}
  		}
  
  		return ret;
  	}