ex8

public class ex8 {
//배열 inex가  하나더 필요하고요.
 static int index = 0,indexName=0;
 static int startAccountNumbers = 123;
// static int [] accountNumbers = new int [5];
// static double [] accountBalances = new double [5];
// static String [] firstNames = new String [5];
// static String [] lastNames = new String [5];
// static boolean [] creditCards = new boolean [5];
//원래는 클래스로 묶고 벡터를 사용해야 하는데

 //여기하고
 //"indexName"
 static int [] accountNumbers = new int [50];
 static double [] accountBalances = new double [50];
 static String [] states = new String [50];


//여기는 다르게 생각하고요.
//"index"
 static String [] firstNames = new String [50];
 static String [] lastNames = new String [50];
 static boolean [] creditCards = new boolean [50]; 
 static double [] accountBalancesSum = new double [50];


 public static void main (String [] args) {//메인에 있는것은 무조건 들어가야하는거입니다.

  createNewCustomer ();

  createNewCustomer ();

  createNewCustomer ();


  makeDeposit (1539.28, 123);

  makeDeposit (-483,123);

  makeWithdrawal (399.99, 123);


  makeDeposit (333.50, 369);

  makeDeposit (400, 369);

  makeDeposit (512.99, 369);

  makeWithdrawal (250, 369);


  makeWithdrawal (200, 1107);

  makeDeposit (200, 1107);

  makeWithdrawal (-800000,1107);

  makeWithdrawal (200, 1107);


  makeWithdrawal (1000, 3443);

  makeDeposit (14.92, 93939);

  printAllAccounts ();

 }

 public static void createNewCustomer () {

  firstNames [indexName] = JOptionPane.showInputDialog ("Enter new customer's first name:");

  lastNames [indexName] = JOptionPane.showInputDialog ("Enter new customer's last name:");

  accountNumbers [indexName]= startAccountNumbers;

  startAccountNumbers = startAccountNumbers * 3;

  accountBalances [indexName] = 0;

  creditCards [indexName] = false;

  indexName = startAccountNumbers /(3*123);

 }

 public static void printAccount (int index) {
  int tempInedx;
  for (int i = 0; i < index; i++) {
 
    tempInedx = accountNumbers[i]/(3*123);
    if(tempInedx>=0 && tempInedx<=50 && firstNames [tempInedx]!=null){
 
     accountBalancesSum[tempInedx]=accountBalancesSum[tempInedx]+accountBalances[i];
       if (accountBalancesSum[tempInedx] < 1000) {
 
        creditCards [tempInedx] = false;
 
       } else {
 
        creditCards [tempInedx] = true;
 
       }

   if (accountBalancesSum[tempInedx] > -1) {

    System.out.println ("$" + accountBalancesSum[tempInedx] + states[i] + " to account number: " + accountNumbers[i]);

    System.out.println ("Account number: "+ accountNumbers [i]);

    System.out.println ("Name: " + lastNames [tempInedx] + ", " + firstNames [tempInedx]);

    System.out.println ("Account balance: $" + accountBalancesSum[tempInedx]);

    if (creditCards [i] == true) {

     System.out.println ("Credit card: Yes\n" );

    } else {

     System.out.println ("Credit card: No\n" );

    }

   } else {

    //System.out.println ("Deposits must be greater than zero!\n");

   }

  }else{System.out.println("Account number "+ accountNumbers[i]+" not found!");}
  
  }//for
 }

 public static void printAllAccounts () {

  printAccount (index);

  System.out.println ("*** Summary of Accounts ***");

 }

 public static void makeDeposit (double amount, int accountNumber) {
 
  accountBalances [index] = amount; 
  accountNumbers [index] = accountNumber;
  states[index] = " deposited";
  index++;


 }

 public static void makeWithdrawal(double amount, int accountNumber) {
 
  accountBalances [index] = amount; 
  accountNumbers [index] = accountNumber;
  states [index] = " withdrawn";
  index++;



 }

}//main

문]
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