package com.syzton.sunread.service.exam; import java.util.List; import com.syzton.sunread.model.exam.Article; public interface ArticleService { public Article getRandomTrainArticleByLevel(int level); public List<Article> getTrainArticleByLevel(int level); public List<Article> getAllTrainArticle(); public Article getRandomTestArticle(); public Article getArticle(long id); public List<Article> getTestArticle(); public List<Article> getAllArticle(); public void deleteArticle(long id); public Article addArticle(Article article); public Article updateArticle(Article article); }