public void getCellData() {
        Iterator itr = prop.entrySet().iterator();
        int i = 0;
        int j = 0;
        while (itr.hasNext()) {
            Entry e = (Entry) itr.next();
            cellData[i][j] = e.getKey().toString();
            j++;
            cellData[i][j] = e.getValue().toString();
            j = 0;
            i++;
        }
    }