因此,我有一个带有addStudent()
方法的GUI类,该类旨在调用该方法:Manager类的addStudent(Student aNewStudentObj)
,然后创建Student类的对象使用用户输入的信息。然后,该对象应存储在Manager类中的“链表”中。
我的问题是,如果要在其中放置[[GUI类的addStudent()
方法的括号,该怎么办?
我相信所有必需的代码都在下面,但是如果您需要完整的
GUI
类,请告诉我。我也有一个[[Module类,但我认为这个问题不是必需的。以下[[GUI类中的[addStudent()
方法]public void addStudent() {
Manager studentList = new Manager();
studentList.addStudent(); <----------------- What goes in those brackets?
}
Student下面的课程
public class Student {
private String firstName;
private String surname;
private String email;
private int yearOfStudy;
private int studentId;
private Queue<Module> mods = new LinkedList<>();
public String getFirstName() {
return firstName;
}
public String getSurname() {
return surname;
}
public String getEmail() {
return email;
}
public int getYearOfStudy() {
return yearOfStudy;
}
public int getStudentId() {
return studentId;
}
public String print() {
return "Student ID: " + studentId + "\n"
+ "First Name: " + firstName + "\n"
+ "Surname: " + surname + "\n"
+ "Email: " + email + "\n"
+ "Year of Study: " + yearOfStudy;
}
public void addModule(int id, String mCode, int mMark) {
if (mods.size() == 4) {
mods.remove();
}
Module module = new Module();
mods.add(module);
}
//this method returns the module list of this student sorted by marks
public String getModulesSortedByMarks(int id) {
Object[] sortedMods;
sortedMods = mods.toArray();
Arrays.sort(sortedMods);
String sortedModulesList = "";
for (int i = 0; i < sortedMods.length; i++) {
sortedModulesList = "\n" + ((Module) sortedMods[i]).print();
}
return sortedModulesList;
}
}
<< [Manager
下面的类public class Manager {
List<Student> studs = new LinkedList<>();
public void addStudent(Student aNewStudentObj) {
studs.add(aNewStudentObj);
}
public void displayStudent(int studentId) {
System.out.println(studs.get(studentId));
}
public void displayMarks(int studentId) {
Student marks = new Student();
marks.getModulesSortedByMarks(studentId);
}
public void deleteStudent(int studentId) {
studs.remove(studentId);
}
public void displayAll() {
for (Student student : studs) {
student.print();
System.out.println();
}
}
}
studentList
是Manager
(变量或类的名称很差,但是..)[Manager.addStudent()
接受类类型为Student
的对象。
Student
时需要具有addStudent
类型的对象。两种解决方案:
...和/或...
您需要做几件事才能使代码正常工作。
private Student student;
public void addStudent() {
Manager studentList = new Manager();
studentList.addStudent(student); // <-- What goes in those brackets?
}