public static TableModel loadTableFromText(String fileName, List<Integer> input1,
            List<Integer> input2) {
        List<Key> resultList = new ArrayList<Key>();
        for(int i = 0; i < input1.size(); i++){
            resultList.add(new Key(input1.get(i)));
        }
        
        for(int i = 0; i < input2.size(); i++){
            if(!resultList.contains(input2.get(i)))
                resultList.add(new Key(input2.get(i)));
        }

        createKeyFile(fileName + "-merge-key.txt", resultList);
        return new TabelModelKey(resultList);
    }