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(1) Create a Student class containing an ID, a last name, and a list of course names such as "COP2210" or "COP2250". This should not be a string of multiple courses. The ID should be an integer which is printed with leading zeros.
(2) Create a class named StudentTest that contains a List of students. Do not use the list provided here. In the class constructor, create 15 students and add them to the list. Each student's ID must be different. Each student you add to the list must contain 2-4 different course names. At least one should have two course names and at least one should have four course names. Make sure the students do not all have the same courses, although there should be some overlap (see the sample below). The student names must be inserted into the list in random order (not sorted).
(3) Sort the list in ascending order by student last name and display the list. For each student, display the ID with leading zeros, last name, and list of courses on a single line. Here is sample output. Note how the tab character is inserted after the name to line up the next column containing courses. Be sure there is no trailing comma at the end of the list of courses.
**Student.java:**
import java.util.*;
public class Student
{
String ID, lastName;
//Arraylist to store courses
ArrayList courses = new ArrayList();
public Student()
{
//Default constructor
ID = "";
lastName = "";
}
public Student(String I, String l)
{
//Parameterized Constructor to initialize
ID = I;
lastName = l;
int i, n;
String temp;
Scanner sc = new Scanner(System.in);
while(true){
System.out.print("\nHow many courses you want to add: ");
n = Integer.parseInt(sc.nextLine());
if(n < 3){ //Cannot choose less than 3 courses
System.out.println("\nNumber of courses must be at least 3.");
continue;
}
for(i = 1; i <= n; i++)
{
System.out.print("\nEnter course name: ");
temp = sc.nextLine();
if(courses.contains(temp))//If course already present
{
System.out.println("\nCourse already present. Try another.");
i--;
}
else
{
courses.add(temp); //Adding course
}
}
}
}
//Accessors
public String getID()
{
return ID;
}
public String getName()
{
return lastName;
}
public ArrayList getCourses()
{
return courses;
}
//Mutators
public void setID(String i)
{
ID = i;
}
public void setName(String n)
{
lastName = n;
}
public void setCourses(ArrayList c)
{
courses.clear();
courses.addAll(c);
}
}
**StudentTest.java:**
import java.util.*;
public class StudentTest
{
//To store 10 students
Student[] list = new Student[10];
public StudentTest(){
int i, j, flag;
Scanner sc = new Scanner(System.in);
for(i = 0; i < 10; i++)
{
String temp, l;
System.out.print("\nEnter student ID: ");
temp = sc.nextLine();
flag = 1;
for(j = 0; j < i; j++)
{
if(list[j].getID().equals(temp))//If ID already exists
{
System.out.println("\nID already exists. Try another.");
flag = 0;
i--;
break;
}
}
if(flag == 1)
{
System.out.print("\nEnter student Last name: ");
l = sc.nextLine();
list[i] = new Student(temp, l); //Initializing student
}
}
}
public void sort()
{
//To sort and display
int i, j;
String temp;
ArrayList t = new ArrayList();
for(i = 0; i < 9; i++)
{
for(j = 0; j < 9 - i; j++)
{
if(list[j].getName().compareTo(list[j + 1].getName()) > 0)//If list[j + 1].lastName needs to come before list[j].lastName
{
//Swapping IDs
temp = list[j].getID();
list[j].setID(list[j + 1].getID());
list[j + 1].setID(temp);
//Swapping last names
temp = list[j].getName();
list[j].setName(list[j + 1].getName());
list[j + 1].setName(temp);
//Swapping courses
t.clear();
t.addAll(list[j].getCourses());
list[j].setCourses(list[j + 1].getCourses());
list[j + 1].setCourses(t);
}
}
}
//Display
System.out.println();
for(i = 0; i < 10; i++)
{
System.out.print(list[i].getID() + ", " + list[i].getName());
//Using fencepost loop to print with comma before
System.out.print(" " + list[i].getCourses().get(0));
for(j = 1; j < list[i].getCourses().size(); j++)
System.out.print(", " + list[i].getCourses().get(j));
System.out.println();
}
}
public static void main(String args[])
{
StudentTest S = new StudentTest();
S.sort();
}
}
PREVIOUS ANSWERS ON THIS SITE ARE WRONG PLEASE DONT JUST REPOST THE ANSWERS (1) Create a Student class containing an ID, a last name, and a list of course names such as "COP2210" or "COP22...
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please use java
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what u can
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