@Override
public void run() {
for (; ; ) { // Forever
bank.transfer(Util.random(-10, 10)); // transfer money
Util.pause(200, 300); // then take a break
}
}
/** Prompts user for info, then carry out the transfer operation in Bank. */
private static void transfer() {
String prompt = "Please enter the account number to transfer FROM: ";
int transferFromAccount = (int) getChoice(prompt);
prompt = "Please enter the account number to transfer TO: ";
int transferToAccount = (int) getChoice(prompt);
prompt = "Please enter the amount to transfer: ";
double amount = getChoice(prompt);
;
try {
theBank.transfer(transferFromAccount, transferToAccount, amount);
System.out.println("\nTransfer successful.");
System.out.printf(
"Balance of account #: %d is %.2f\n",
transferFromAccount, theBank.getBalanceForAccount(transferFromAccount));
System.out.printf(
"Balance of account #: %d is %.2f\n\n",
transferToAccount, theBank.getBalanceForAccount(transferToAccount));
} catch (AccountDoesNotExistException e) {
System.out.println("\nOne of the accounts doesn't exist in this bank.");
} catch (NegativeMoneyException e) {
System.out.println("\nAmount to transfer has to be >= 0");
} catch (InsufficientFundsException e) {
System.out.println("\nInsufficient funds in this account to transfer the given amount.");
} catch (NotSameOwnerException e) {
System.out.println("\nThese accounts don't belong to the same owner.");
}
}
public static void main(String[] args) {
Bank bank = new Bank(NACCOUNTS, INITIAL_BALANCE);
for (int i = 0; i < NACCOUNTS; i++) {
int fromAccount = i;
Runnable r =
() -> {
try {
while (true) {
int toAccount = (int) (bank.size() * Math.random());
double amount = MAX_AMOUNT * Math.random();
bank.transfer(fromAccount, toAccount, amount);
Thread.sleep((int) (DELAY * Math.random()));
}
} catch (InterruptedException e) {
}
};
Thread t = new Thread(r);
t.start();
}
}