Question $13$

In the BankAccount class, what is the purpose of the numAccounts static field? Explain how it is used in the constructor.

public class BankAccount $\{$

private String accountHolder;

private double balance;

private static int numAcc $=0$;

public BankAccount$($String accountHolder, double balance$)\{$

this. accountHolder $=$ accountHolder;

this.balance $=$ balance;

$\}$

numAcc$++$;

public String getAccountHolder$()\{$

$\}$

return accountHolder;

public double getBalance$()\{$

$\}$

return balance;

public static int getNumAcc$()\{$

return numAcc;

$\}$

$\}$