hello there i need help

: i need to do a program like this:

Automatic Teller Machine [B] Balance [D] Deposit [W] Withdrawal [Q] Quit select you OPtions:

once i have chosen an option then i should proceed here

if i choose b:

YOur Balance is __

if i chose D:

Enter you deposit amount:

if i choose W:

Enter the Withdrawal amount:

(if balance is >= withdrwal display transaction, if balance is < withdrawal display "insufficient Amount"

every after each of the choices a window like this should come out:

Would you Like to generate bank slip? YES NO

if yes: for balance:

BALANCE INQUIRY AMOUNT BALANCE:

Printing bank slip....

for deposit: DEPOSIT AMOUNT:_ printing book slip:

for withdrawal: your withdrwal amount:

if no: it will return to: Would you like another transaction?

thats the problem. I dont know how to start this program because i am a beginner, and aside from that i am really eager to learn java please help me with the codes and please explain to me how it works. i only need to use if else statements and do while beacause it is the lesson we are in to, please help m,e

View Answers

January 14, 2012 at 5:44 PM

import java.util.*;

class ATM{
        static Scanner input = new Scanner(System.in);
        String name, actype;
        int accNo, bal, amt;

        ATM(String name, int accNo, String actype, int bal) {
                this.name = name;
                this.accNo = accNo;
                this.actype = actype;
                this.bal = bal;
        }

        int deposit(){
                System.out.print("Enter amount to deposit:");
                amt = input.nextInt();
                if (amt < 0) {
                        System.out.println("Invalid Amount");
                        return 1;
                }
                bal = bal + amt;
                return 0;
        }
        int withdraw(){
                System.out.println("Your Balance=" + bal);
                System.out.print("Enter amount to withdraw:");
                amt = input.nextInt();
                if (bal < amt) {
                        System.out.println("Not sufficient balance.");
                        return 1;
                }
                if(amt < 0) {
                        System.out.println("Invalid Amount");
                        return 1;
                }
                bal = bal - amt;
                return 0;
        }
        void display(){
                System.out.println("Name:" + name);
                System.out.println("Account No:" + accNo);
                System.out.println("Balance:" + bal);

        }
        void dbal() {
                System.out.println("Balance:" + bal);
        }
        public static void main(String args[]){
                System.out.println("Enter your Name: ");
                String nn = input.nextLine();
                System.out.println("Enter Account Number: ");
                int num = input.nextInt();
                System.out.println("Enter Account Type: ");
                String type = input.next();
                System.out.println("Enter Initial Balance: ");
                int bal = input.nextInt();
                ATM b1 = new ATM(nn, num, type, bal);
                int menu;
                System.out.println("Menu");
                System.out.println("B. Balance");
                System.out.println("D. Deposit");
                System.out.println("W. Withdraw ");
                System.out.println("Q. Quit");
                boolean quit = false;
                do{
                     System.out.print("Please enter your choice: ");
                     menu = input.nextInt();
                        switch(menu) {
                        case 1:
                                b1.display();
                                break;

                        case 2:
                                b1.deposit();
                                break;

                        case 3:
                                b1.withdraw();
                                break;

                        case 4:
                                quit = true;
                                break;
                        }
                }
                while (!quit);
        }
}

January 14, 2012 at 5:50 PM

import java.util.*;

class ATM{
        static Scanner input = new Scanner(System.in);
        String name, actype;
        int accNo, bal, amt;

        ATM(String name, int accNo, String actype, int bal) {
                this.name = name;
                this.accNo = accNo;
                this.actype = actype;
                this.bal = bal;
        }

        int deposit(){
                System.out.print("Enter amount to deposit:");
                amt = input.nextInt();
                if (amt < 0) {
                        System.out.println("Invalid Amount");
                        return 1;
                }
                bal = bal + amt;
                return 0;
        }
        int withdraw(){
                System.out.println("Your Balance=" + bal);
                System.out.print("Enter amount to withdraw:");
                amt = input.nextInt();
                if (bal < amt) {
                        System.out.println("Not sufficient balance.");
                        return 1;
                }
                if(amt < 0) {
                        System.out.println("Invalid Amount");
                        return 1;
                }
                bal = bal - amt;
                return 0;
        }
        void display(){
                System.out.println("Name:" + name);
                System.out.println("Account No:" + accNo);
                System.out.println("Balance:" + bal);

        }
        void dbal() {
                System.out.println("Balance:" + bal);
        }
        public static void main(String args[]){
                System.out.println("Enter your Name: ");
                String nn = input.nextLine();
                System.out.println("Enter Account Number: ");
                int num = input.nextInt();
                System.out.println("Enter Account Type: ");
                String type = input.next();
                System.out.println("Enter Initial Balance: ");
                int bal = input.nextInt();
                ATM b1 = new ATM(nn, num, type, bal);
                String menu;
                System.out.println("Menu");
                System.out.println("B. Balance");
                System.out.println("D. Deposit");
                System.out.println("W. Withdraw ");
                System.out.println("Q. Quit");
                boolean quit = false;
                do{
                     System.out.print("Please enter your choice: ");
                     menu = input.next();
                     char choice=menu.charAt(0);
                        switch(choice) {
                        case 'B':
                                b1.display();
                                break;

                        case 'D':
                                b1.deposit();
                                break;

                        case 'W':
                                b1.withdraw();
                                break;

                        case 'Q':
                                quit = true;
                                break;
                        }
                }
                while (!quit);
        }
}