I need help with the code this this.

StudentList.java and StudentListProg.java

$1.$ Include phone number $($in the format xxx$-$xxx$-$xxxx$)$ in each record

$2.$ No duplicated ID allowed

$3.$ Add method swap$($int id$1,$ int id$2)$ to swap the location of id$1$ and id$2\text{'}$s references in the list

$4.$ Add method modify$($int id$,$ String lastName, String firstName, double GPA, String phone$)$ to modify the id's record. If such id does not exist, add it as a new record into the list