Can I get UML diagram, and a testplan with $5$ examples for my follwing JAVA code?: import java.io$.$File;

import java.io$.$FileNotFoundException;

import java.util.ArrayList;

import java.util.Scanner;

$//$ Base class representing a student

class Student $\{$

private String name;

private int creditHours;

private int qualityPoints;

$//$ Constructor to initialize student attributes

public Student$($String name, int creditHours, int qualityPoints$)\{$

this.name $=$ name;

this.creditHours $=$ creditHours;

this.qualityPoints $=$ qualityPoints;

$\}$

$//$ Method to calculate GPA

public double gpa$()\{$

return $($double$)$ qualityPoints $/$ creditHours;

$\}$

$//$ Method to check eligibility for honor society based on GPA threshold

public boolean eligibleForHonorSociety$()\{$

return gpa$()>$ HonorSociety.getGpaThreshold$()$;

$\}$

$//$ Method to return a string representation of the student

@Override

public String toString$()\{$

return "Name: $"+$ name $+",$ GPA: $"+$ gpa$()$;

$\}$

$//$ Static method to set GPA threshold in the HonorSociety class

public static void setGpaThreshold$($double threshold$)\{$

HonorSociety.setGpaThreshold$($threshold$)$;

$\}$

$\}$

$//$ Class representing an undergraduate student, inheriting from Student

class Undergraduate extends Student $\{$

private String year;

$//$ Constructor to initialize undergraduate student attributes

public Undergraduate$($String name, int creditHours, int qualityPoints, String year$)\{$

super$($name$,$ creditHours, qualityPoints$)$;

this.year $=$ year;

$\}$

$//$ Overridden method to check eligibility for honor society

@Override

public boolean eligibleForHonorSociety$()\{$

return super.eligibleForHonorSociety$()$ && $($year$.$equals$("$Junior$")||$ year.equals$("$Senior$"))$;

$\}$

$//$ Overridden method to return a string representation of the undergraduate student

@Override

public String toString$()\{$

return super.toString$()+",$ Year: $"+$ year;

$\}$

$\}$

$//$ Class representing a graduate student, inheriting from Student

class Graduate extends Student $\{$

private String degree;

$//$ Constructor to initialize graduate student attributes

public Graduate$($String name, int creditHours, int qualityPoints, String degree$)\{$

super$($name$,$ creditHours, qualityPoints$)$;

this.degree $=$ degree;

$\}$

$//$ Overridden method to check eligibility for honor society

@Override

public boolean eligibleForHonorSociety$()\{$

return super.eligibleForHonorSociety$()$ && degree.equals$("$Masters$")$;

$\}$

$//$ Overridden method to return a string representation of the graduate student

@Override

public String toString$()\{$

return super.toString$()+",$ Degree: $"+$ degree;

$\}$

$\}$

$//$ Class representing the honor society with a static GPA threshold

class HonorSociety $\{$

private static double gpaThreshold;

$//$ Method to get the GPA threshold

public static double getGpaThreshold$()\{$

return gpaThreshold;

$\}$

$//$ Method to set the GPA threshold and print it

public static void setGpaThreshold$($double threshold$)\{$

gpaThreshold $=$ threshold;

System.out.println$("$Honor Society GPA Threshold set to: $"+$ gpaThreshold$)$;

$\}$

$\}$

$//$ Main class for the project

public class CMSC$215$PROJ$2$NW $\{$

public static void main$($String$[]$ args$)\{$

ArrayList students $=$ new ArrayList$<>()$;

try $\{$

$//$ Specify the path to the students.txt file

Scanner scanner $=$ new Scanner$($new File$("$students$.$txt$"))$;

double totalGpa $=0$;

int count $=0$;

$//$ Read student data from the file

while $($scanner$.$hasNextLine$())\{$

String line $=$ scanner.nextLine$()$;

String$[]$ data $=$ line.split$("")$;

String name $=$ data$[0]+""+$ data$[1]$;

int creditHours $=$ Integer.parseInt$($data$[2])$;

int qualityPoints $=$ Integer.parseInt$($data$[3])$;

if $($data$.$length $==5)\{$

$//$ Create and add an undergraduate student

String year $=$ data$[4]$;

students.add$($new Undergraduate$($name$,$ creditHours, qualityPoints, year$))$;

$\}$ else if $($data$.$length $==4)\{$

$//$ Create and add a graduate student

String degree $=$ data$[3]$;

students.add$($new Graduate$($name$,$ creditHours, qualityPoints, degree$))$;

$\}$

$//$ Accumulate total GPA

totalGpa $+=$ students.get$($count$).$gpa$()$;

count$++$;

$\}$

$//$ Calculate average GPA and set the GPA threshold

if