userfactory.java

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package com.restrant.dao;

public class UserFactory {
	
	public static UserDao getUserDaoInstance(String type){
		UserDao userDao = null;
		try{
			userDao = (UserDao)Class.forName("com.restrant.dao."+type).newInstance();
			
		}catch(Exception e){
			e.printStackTrace();
		}
		return userDao;
	}

}