pasted

public void build(String key,String string) throws IOException, XLException {
        if (string.isEmpty()){
                cellMap.remove(key);
        }
        else if (string.startsWith("#")){
        cellMap.put(key, new StringCell(string));
        }
        else {
                 ExprParser exprP = new ExprParser();
                 Expr expr = exprP.build(string);
                 ExprCell newCell = new ExprCell(expr);
                 newCell.makeBomb();
                 cellMap.put(key, newCell);
                 try {
                        for (Cell c: cellMap.getMap().values()){

                                if(c != newCell){
//                                  System.out.println(" c!=newCell");
                                    if(c instanceof ExprCell){
                                        ((ExprCell) c.value()).value();
                                    }

                                }
                         }
                 } catch (XLException e) {
                         newCell.defuse();
                         throw e;
                         }
                 newCell.defuse();
                 }