java 表格数据的存储

存储这样的表格数据
思路：每一行用Map来存储，用List来存储整个表格(所有的Map)
打印的时候遍历List的每个Map，在每个Map中通过获得键的集合来打印键和get(key)键所对应的值

public static void main(String[]args)
{
    Map<String,Object> row1=new HashMap<>();
    row1.put("id","1001");
    row1.put("姓名","张三");
    row1.put("薪水","11");
    row1.put("入职日期","2018.5.5");
    Map<String,Object> row2=new HashMap<>();
    row2.put("id","1002");
    row2.put("姓名","李四");
    row2.put("薪水","10");
    row2.put("入职日期","2018.5.9");
    Map<String,Object> row3=new HashMap<>();
    row3.put("id","1003");
    row3.put("姓名","王五");
    row3.put("薪水","9");
    row3.put("入职日期","2018.9.9");

    List<Map<String,Object>> table=new ArrayList<>(); //在List内存放Map
    table.add(row1);
    table.add(row2);
    table.add(row3);

    for(Map<String,Object>row :table)  //获得每一行
    {
        Set<String> key=row.keySet();   //获得当行的key的集合
        for(String s:key)
        {
            System.out.print(s+":"+row.get(s)+ "t");    //获得键值和键所对应的值
        }
        System.out.println();
    }
}