package com.ecommerce.demo;

import javax.persistence.*;

@Entity
@Table(name="USER")
public class User {
    @Id
    private String userName;
    private String userPassword;

    public String getUserName() {
        return userName;
    }
    public void setUserName(String userName) {
        this.userName = userName;
    }
    public String getUserPassword() {
        return userPassword;
    }
    public void setUserPassword(String userPassword) {
        this.userPassword = userPassword;
    }


}

package com.ecommerce.controller;

import java.io.IOException;
import java.util.List;
import javax.websocket.Session;

import org.hibernate.*;
import org.hibernate.cfg.*;
import org.json.JSONArray;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.ecommerce.demo.User;

@Controller
@RequestMapping(value="mainPageController")
public class MainPageController {

    @RequestMapping(value="/mainPage.html")
    public ModelAndView getLogInForm(@ModelAttribute("user") User userInput, BindingResult result) throws IOException {

        List<User> userDatabase = null;

        userDatabase = session.createQuery("from User").list();

        session.beginTransaction();
        session.close();

        ModelAndView model = new ModelAndView("MainPage");
        model.addObject("userNameAndPasswordList", userDatabase);

        return model;
    }

}

<%@ page import="com.ecommerce.demo.User" %>

<%
    Usinf java code(i.e for loop)
    I need to print all userName and userPassword of user class here.
%>