draw a uml diagram for the following code:

$//--------------------------------------------------------------------------------------------------------------$

$//$ Budget Tracker

$//$ Program allows you to add and subtract expenses then check your total balance, keeping your budget organized

$//--------------------------------------------------------------------------------------------------------------$

import java.util.Scanner;

$//$ imports scanner

public class BudgetTracker $\{$

private double balance;

public BudgetTracker$($double initialBalance$)\{$

this.balance $=$ initialBalance;

$\}$

$//$ establishes the balance as a double

public double getBalance$()\{$

return balance;

$\}$

$//$ retrieves balance

public void addIncome$($double amount$)\{$

balance $+=$ amount;

System.out.println$("$Income added: $$"+$ amount$)$;

$\}$

$//$ adds income to balance

public void addExpense$($double amount$)\{$

if $($balance $>=$ amount$)\{$

balance $-=$ amount;

System.out.println$("$Expense added: $$"+$ amount$)$;

$\}$ else $\{$

System.out.println$("$Insufficient funds to add expense: $$"+$ amount$)$;

$//$ subtracts expense from balance if the balance will be greater than or equal to the expense

$\}$

$\}$

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

Scanner scanner $=$ new Scanner$($System$.$in$)$;

System.out.print$("$Enter initial balance: $")$;

double initialBalance $=$ scanner.nextDouble$()$;

$//$ stores initial value user inputs to add or subtract to in the future

BudgetTracker budgetTracker $=$ new BudgetTracker$($initialBalance$)$;

boolean exit $=$ false;

$//$ if the user does not wish to exit the choices are brought back up

while $(!$exit$)\{$

System.out.println$("$

$1.$ Add income"$)$;

System.out.println$("2.$ Add expense amount"$)$;

System.out.println$("3.$ Check balance"$)$;

System.out.println$("4.$ Exit"$)$;

System.out.print$("$Enter your choice: $")$;

int choice $=$ scanner.nextInt$()$;

switch $($choice$)\{$

case $1$:

System.out.print$("$Enter income amount: $")$;

double income $=$ scanner.nextDouble$()$;

budgetTracker.addIncome$($income$)$;

break;

$//$ uses the addIncome to add amount entered to number stored

case $2$:

System.out.print$("$Enter expense amount: $")$;

double expense $=$ scanner.nextDouble$()$;

budgetTracker.addExpense$($expense$)$;

break;

$//$ uses the addExpense to add amount entered to number stored

case $3$:

System.out.println$("$Current balance: $$"+$ budgetTracker.getBalance$())$;

break;

$//$ checks and prints current balance

case $4$:

exit $=$ true;

System.out.println$("$Exiting$...")$;

break;

$//$ exits the program

default:

System.out.println$("$Invalid choice. Please choose again."$)$;

$\}$

$\}$

scanner.close$()$;

$\}$

$\}$