teacher.java

学生成绩管理系统

package cn.com.chengang.sms.model;
import java.util.HashSet;
import java.util.Set;
public class Teacher extends AbstractUser {
    private Set<Course> courses = new HashSet<Course>(); //所教课程
    
    //得到和设置一批课程
    public Set<Course> getCourses() { return courses; }
    public void setCourses(Set<Course> courses) {this.courses = courses; }
    //增加和删除一个课程
    public void addCourse(Course course) {courses.add(course); }
    public void removeCourse(Course course) {courses.remove(course);}
    //清除所有课程
    public void clearCourses() {courses.clear();}
    //判断该老师是否教某个课程
    public boolean isCourse(Course course){return courses.contains(course);}
}