学生 管理系统之构造

public class StudentsBiz {
private List myList = new ArrayList();
public StudentsBiz() {
}
public boolean addStu(Students stu){
myList.add(stu);
return true;
}
public boolean updateStu(Students stu){
for (int i = 0; i < myList.size(); i++) {
Students stus = (Students)myList.get(i);
if(stus.getName().equals(stu.getName())){
myList.set(i, stu);
return true;
}
}
return false;
}
public void deleteStu(String name){
for (int i = 0; i < myList.size(); i++) {
Students stus = (Students)myList.get(i);
if(stus.getName().equals(name)){
myList.remove(i);
}
}
}
public List getList(){
return myList;
}
}