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UserType.java
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UserType.java
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package com.example.musicappcsia;
import java.util.ArrayList;
public class UserType {
}
abstract class User
{
private String name;
private String email;
private int assign_count;
public abstract Integer assignmentScore();
public Integer get_assign_count()
{
return assign_count;
}
public void set_assign_count(int x)
{
this.assign_count=x;
}
public String get_name()
{
return this.name;
}
public void set_name(String x)
{
this.name=x;
}
public String get_email()
{
return email;
}
public void set_email(String x)
{
this.email=x;
}
}
class Student extends User
{
public Student(int x, String name)
{
set_assign_count(x);
set_name(name);
}
public Integer assignmentScore()
{
return get_assign_count();
}
}
class Teacher extends User
{
private ArrayList<Student> student_list;
public Teacher(int x, String name)
{
set_assign_count(x);
set_name(name);
}
public Student getStudentById(int student_id)
{
return student_list.get(student_id);
}
public Integer assignmentScore()
{
Integer total = 0;
for (int i = 0; i < student_list.size(); i++)
{
total += student_list.get(i).get_assign_count();
}
return total;
}
}