这个返回值属于什么错误 ，求指导！ (已解决 ，谢谢！！)

Question

 public boolean UserLogin(User u) {  userDAO userDao = new userDAO();  ArrayList<User> list = userDao.getUser();  int i= 0;  if (list != null && list.size() > 0) {   for (User c : list) {    if (c.getUsername().equals(u.getUsername())      && c.getPassword().equals(u.getPassword())) {     i=1;break;    }else i=0;   }  }  if(i==1){   return true;   }else if(i==0){    return false;   } } 

Answer 1

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