//Java ATM Machine Code BY BJ
import java.util.Scanner;
public class AtmMachine{
private static Scanner in;
private static float balance = 0; // initial balance to 0 for everyone
private static int anotherTransaction;
public static void main(String args[]){
in = new Scanner(System.in);
// call our transaction method here
transaction();
}
private static void transaction(){
// here is where most of the work is
int choice;
System.out.println("Please select an option");
System.out.println("1. Withdraw");
System.out.println("2. Deposit");
System.out.println("3. Balance");
choice = in.nextInt();
switch(choice){
case 1:
float amount;
System.out.println("Please enter amount to withdraw: ");
amount = in.nextFloat();
if(amount > balance || amount == 0){
System.out.println("You have insufficient funds\n\n");
anotherTransaction(); // ask if they want another transaction
} else {
// they have some cash
// update balance
balance = balance - amount;
System.out.println("You have withdrawn "+amount+" and your new balance is "+balance+"\n");
anotherTransaction();
}
break;
case 2:
// option number 2 is depositing
float deposit;
System.out.println("Please enter amount you would wish to deposit: ");
deposit = in.nextFloat();
// update balance
balance = deposit + balance;
System.out.println("You have deposited "+deposit+" new balance is "+balance+"\n");
anotherTransaction();
break;
case 3:
// this option is to check balance
System.out.println("Your balance is "+balance+"\n");
anotherTransaction();
break;
default:
System.out.println("Invalid option:\n\n");
anotherTransaction();
break;
}
}
private static void anotherTransaction(){
System.out.println("Do you want another transaction?\n\nPress 1 for another transaction\n2 To exit");
anotherTransaction = in.nextInt();
if(anotherTransaction == 1){
transaction(); // call transaction method
} else if(anotherTransaction == 2){
System.out.println("Thanks for choosing us. Good Bye!");
} else {
System.out.println("Invalid choice\n\n");
anotherTransaction();
}
}
}
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