import java.sql.*;
public class Baas1{
   public static void main(String[] arg) throws Exception{
      Connection cn=DriverManager.getConnection(
         "jdbc:mysql://localhost/mysql?user=root&password="
      );
      Statement st=cn.createStatement();
      ResultSet rs=st.executeQuery("SELECT User, Host FROM user");
      while(rs.next()){
        System.out.println(
          rs.getString("User")+" "+rs.getString("Host"));
      }
   }
}