import java.sql.*;
import java.util.*;

public class MapExample {
    public static void main(String[] args) {
    Map<String,String> map = new HashMap<String,String>();
      try{
      Class.forName("com.mysql.jdbc.Driver").newInstance();
      Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
      Statement st = con.createStatement();
      ResultSet rs = st.executeQuery("SELECT * FROM  data");
      while(rs.next()){
        map.put(rs.getString("id"),rs.getString("name"));
      }
       System.out.print(map);
      }
      catch(Exception e{
        System.out.print(e);
      }
    }

}