wap to make atm machine. #JAVA
import java.util.Scanner;
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()
{
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System.out.println("You have withdrawn " + amount + " and your new balance is " + balance + "\n");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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