userservice.java

关于servlet的很全的例子,对学习servlet很有帮助的,大家

package com.tarena.ums.dao;

public interface UserService
{
    public void add(User user);
    public void modify(User user);
    public void remove(int id);
    public User findById(int id);
    public Collection<User> find(User user);
    public User findByUserNamePwd(String userName, String password);
}