In addition to this code can you also follow these steps. my assignment is the same but adds in two extra classes. Can you please update this code so it works for my assignment? Class Uniquelnstructortist

jesing ctpal

Uniagelntractorint

ratendo ;Nw$,$ ineg, $06$ject

Conatevets Sommary

eviakTisis

Ceestractor and Ceworlyos

Method Sumenary

Figure $4$: Summary of the DewqueluatructerLiat Class.

A defoult coustroctor to initialize inatructorArrayliat:

One getter motbod to return the irsitance variable $($arovsaoe$).$

A method addInatructor that wdd an instructor into inatructorhrrayL$1$at$.$ Malar

sure you only add it if imatructordrrayliat doss not contain this now Instructor

objoct. Otherwise, vou will bot add it to the list.

A method containaInatructor that ss used to chock whether the input irstructor is in

inatroctorArrayliset oe not. Thas motbod may be called within the addIastructor

method.

Note: You really don't have to implement thas moctbod if you dou't want. You can do

the dhecking proress within the addInatroctor method. It maless your implement ation

cksuner if adkling thas moctbod$\mathrm{.}1\mathrm{.}3$ UniqueStudentList class

In the third fike UniqueStudeatliat. jawa, you may imtode the folbwing instabce varlabks

and methods:

Priwate instance varlable atudent &rrayL$1$at $($type: RrrayL$1$st c$-3$tudent s$-).$

A defialt constroctoe to imitialize atudeathrrayL$1$st :

Class Uniquestudentust

ins ling Cryct

Unkueltionorint

eatesin ; ww$.1$ang, $06$pect

Conatructar tommary

Cesstantes

Cowatractor and Descriposos

Method Summary

Figure: $3$: Summary of the UnirgostudentList Class.

One getter mortbod to return the instance varlable $($arrsooe$).$

A method addStudent that add a student into atudest MrrayL$1$at$.$ Mabe sare you only

add it if atudent:ArrayL$1$at does bot coetain thas bew studsut objext. Otherwise, you

will not add it to $t$ be list.

A morbod containaStudent that is ued to chock whether the imput student is in

atudemt RryayL$1$at or bot. This method may be calbed within the adagtudeat mothod.

Note: You really don't have to iemplement thas motbod if you doe't want. You can do

the dhecking process within the addgtudeat method. It mabes your implementation

ckoner if adding thas mothool.