Please assist i$\text{'}$m trying to run the following source code on Apache NetBeans IDE $21$ software so i can take screenshots for my assisgnement $,$it gives me over $30$ errors please assist in correcting the errors.

NB$.$ I want all calculations to be in South African Rands.

public class LoanCalculator extends JFrame $\{$

private JTextField loanAmountField, interestRateField, termField;

private JLabel monthlyPaymentLabel;

private JButton calculateButton, resetButton;

public LoanCalculator$()\{$

createView$()$;

setTitle$("$Loan Calculator"$)$;

setDefaultCloseOperation$($EXIT$\_$ON$\_$CLOSE$)$;

setSize$(300,200)$;

setLocationRelativeTo$($null$)$;

setResizable$($false$)$;

$\}$

private void createView$()\{$

JPanel panel $=$ new JPanel$($new GridBagLayout$())$;

getContentPane$().$add$($panel$)$;

GridBagConstraints c $=$ new GridBagConstraints$()$;

c$.$fill $=$ GridBagConstraints.HORIZONTAL;

$//$ Loan Amount

JLabel loanAmountLabel $=$ new JLabel$("$Loan Amount $($R$)$:$")$;

c$.$gridx $=0$;

c$.$gridy $=0$;

panel.add$($loanAmountLabel$,$ c$)$;

loanAmountField $=$ new JTextField$()$;

c$.$gridx $=1$;

c$.$gridy $=0$;

panel.add$($loanAmountField$,$ c$)$;

$//$ Interest Rate

JLabel interestRateLabel $=$ new JLabel$("$Annual Interest Rate $(\%)$:$")$;

c$.$gridx $=0$;

c$.$gridy $=1$;

panel.add$($interestRateLabel$,$ c$)$;

interestRateField $=$ new JTextField$()$;

c$.$gridx $=1$;

c$.$gridy $=1$;

panel.add$($interestRateField$,$ c$)$;

$//$ Loan Term

JLabel termLabel $=$ new JLabel$("$Loan Term $($years$)$:$")$;

c$.$gridx $=0$;

c$.$gridy $=2$;

panel.add$($termLabel$,$ c$)$;

termField $=$ new JTextField$()$;

c$.$gridx $=1$;

c$.$gridy $=2$;

panel.add$($termField$,$ c$)$;

$//$ Calculate Button

calculateButton $=$ new JButton$("$Calculate$")$;

c$.$gridx $=0$;

c$.$gridy $=3$;

c$.$gridwidth $=2$;

panel.add$($calculateButton$,$ c$)$;

calculateButton.addActionListener$($new ActionListener$()\{$

public void actionPerformed$($ActionEvent e$)\{$

calculateMonthlyPayment$()$;

$\}$

$\})$;

$//$ Monthly Payment Display

monthlyPaymentLabel $=$ new JLabel$("$Monthly Payment: $")$;

c$.$gridx $=0$;

c$.$gridy $=4$;

c$.$gridwidth $=2$;

panel.add$($monthlyPaymentLabel$,$ c$)$;

$//$ Reset Button

resetButton $=$ new JButton$("$Reset$")$;

c$.$gridx $=0$;

c$.$gridy $=5$;

c$.$gridwidth $=2$;

panel.add$($resetButton$,$ c$)$;

resetButton.addActionListener$($new ActionListener$()\{$

public void actionPerformed$($ActionEvent e$)\{$

resetFields$()$;

$\}$

$\})$;

$\}$

private void calculateMonthlyPayment$()\{$

double principal $=$ Double.parseDouble$($loanAmountField$.$getText$())$;

double annualInterestRate $=$ Double.parseDouble$($interestRateField$.$getText$())$;

int termYears $=$ Integer.parseInt$($termField$.$getText$())$;

double monthlyInterestRate $=$ annualInterestRate $/100/12$;

int totalPayments $=$ termYears $*12$;

$$

M $=$ P $*($r$(1+$ r$)^$n$)/((1+$ r$)^$n $-1)$

$$

where:

M $=$ monthly payment

P $=$ principal loan amount

r $=$ monthly interest rate

n $=$ number of payments

double monthlyPayment $=($principal $*$ monthlyInterestRate $*$ Math.pow$(1+$ monthlyInterestRate, totalPayments$))/($Math$.$pow$(1+$ monthlyInterestRate, totalPayments$)-1)$;

monthlyPaymentLabel.setText$("$Monthly Payment: R$"+$ String.format$("\%\mathrm{.}2$f$",$ monthlyPayment$))$;

$\}$

private void resetFields$()\{$

loanAmountField.setText$("")$;

interestRateField.setText$("")$;

termField.setText$("")$;

monthlyPaymentLabel.setText$("$Monthly Payment: $")$;

$\}$

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

SwingUtilities.invokeLater$($new Runnable$()\{$

public void run$()\{$

new LoanCalculator$().$setVisible$($true$)$;

$\}$

$\})$;

$\}$

$\}$