I am making my own assistant program that connects to a bank management program i wrote. I want the user to be able to type into the command field: add $5 or add $10500 or any other amount. How would i calculate the "10500" while ignoring the "add $". The "add $" is used to check what command the user is typing to perform the action. This is what i have so far.
} else if (AssistantFrame.getCommand().equalsIgnoreCase("add $5")) {
BankBalance.addToBalance(5);
}
This is the code that handles adding the money to the balance.
public static void addToBalance(int balanceAdd){
Commands.setContinuity(0);
if(fileBalance.exists()) {
try {
loadBalance();
} catch (FileNotFoundException | UnsupportedEncodingException e) {
}
balance += balanceAdd;
try {
saveBalance();
} catch (FileNotFoundException | UnsupportedEncodingException e) {
}
AssistantFrame.updateAssistant("Your balance has been succesfully updated.\nYour new balance is - $" + balance);
} else {
AssistantFrame.updateAssistant("Sorry, but you don't seem to have a personal\nbank balance created yet.");
}
Something like that:
String command = AssistantFrame.getCommand();
int amount = Integer.parseInt(command.replaceAll("[^\\d]",""));
BankBalance.addToBalance(amount);
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