Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package co.com.soinsoftware.altablero.controller; import co.com.soinsoftware.altablero.bll.SubjectBLL; import co.com.soinsoftware.altablero.entity.SubjectBO; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Set; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; /** * @author Carlos Rodriguez * @since 03/02/2016 * @version 1.0 */ @Service public class SubjectController { @Autowired private SubjectBLL subjectBLL; public List<SubjectBO> findExcludingClass(final int idClassRoom) throws IOException { final Set<SubjectBO> subjectSet = this.subjectBLL.findExcludingClass(idClassRoom); final List<SubjectBO> subjectList = (subjectSet != null) ? new ArrayList<>(subjectSet) : new ArrayList<>(); Collections.sort(subjectList); return subjectList; } }