atmdriver.java

this is a relatively simple program.

import java.util.Scanner;

public class ATMDriver
{   
    
    public static void main( String arg[] )
    {
        ATM myATM = new ATM();
        
        showWelcomeMessage();
        Scanner input = new Scanner( System.in );
        int option = 0;
        
        while( option != 3 )
        {
            option = showMainMenu();
            
            switch( option )
            {
                case 1:
                {
                    String name = null, address = null, email = null,phoneNo = null
                    ,loginId = null;
                    int pinCode = 0; double balance = 0.0;
                    
                    {
    
        boolean isDataFalse = true;
        
        while( isDataFalse )
        {       
            System.out.println("\nTo create an ACCOUNT enter: ");
            
            System.out.print("\nName: "); 
            name = input.nextLine();
           
            System.out.print("Login ID: "); 
            loginId = input.nextLine();
        
            System.out.print("PIN code: "); 
            pinCode = input.nextInt();
        
            System.out.print("Initial balance: Rs. "); 
            balance = input.nextDouble();
        
            System.out.print("Address: "); 
            address = input.nextLine();
        
            System.out.print("Email: ");
            email = input.nextLine();
        
            System.out.print("Phone no: ");
            phoneNo = input.nextLine();
        
            if( balance < 0 )
            {
                System.out.println("\nERROR! Invalid balance entered.\n");
                System.out.print("Enter data again\n");
            }
            else
                isDataFalse = false;
        }
         
    }
                    myATM.createAccount( loginId,pinCode,balance,name,address,email,phoneNo );
                }
                    break;
                    
                case 2:
                    myATM.openExistingAccount();
                    break;
                    
                case 3:
                    break;
                    
                default:
                    System.out.println("\nINVALID OPTION! Enter option again.\n");
            }
        }
        
        showExitMessage();        
       
    }
    
    private static void showWelcomeMessage()
    {
        System.out.println("\n\n***** Welcome to ATM System *****\n");
    }
    
    private static void showExitMessage()
    {
        System.out.println("\n\nThankyou for using ATM System!\n");
    }
    
    private static int showMainMenu()
    {
        System.out.println("\n\n*** Main Menu ***\n");
        System.out.println("Press 1 to CREATE a new account.");
        System.out.println("Press 2 to OPEN an existing account.");
        System.out.println("Press 3 to EXIT.\n");
        
        Scanner input2 = new Scanner( System.in );
        int numb = input2.nextInt();
        
        return numb;
    }
    
private static void getUserData( String name, String address, String email,
            String phoneNo, String loginId, int pinCode, double balance )
    {
        boolean isDataFalse = true;
        
         Scanner input = new Scanner( System.in );
        
        while( isDataFalse )
        {       
            System.out.println("\nTo create an ACCOUNT enter: ");
            
            System.out.print("\nName: "); 
            name = input.nextLine();
           
            System.out.print("Login ID: "); 
            loginId = input.nextLine();
        
            System.out.print("PIN code: "); 
            pinCode = input.nextInt();
        
            System.out.print("Initial balance: Rs. "); 
            balance = input.nextDouble();
        
            System.out.print("Address: "); 
            address = input.nextLine();
        
            System.out.print("Email: ");
            email = input.nextLine();
        
            System.out.print("Phone no: ");
            phoneNo = input.nextLine();
        
            if( balance < 0 )
            {
                System.out.println("\nERROR! Invalid balance entered.\n");
                System.out.print("Enter data again\n");
            }
            else
                isDataFalse = false;
        }
         
    }
    
 
 
 
}