public class BankAccount //Student Starter File

{ 

  private double balance;

  private double transFee;

  private double transactionCount;

  private double freeTransactions;

 

 /**

  * Constructs a bank account with a zero balance

  */

  public BankAccount()

  {  

   balance = 0;

   transactionCount=0;

  }

 

 /**

  * Constructs a bank account with a given balance

  * @param initialBalance the initial balance

  */

  public BankAccount(double initialBalance)

  {  

   balance = initialBalance;

   transactionCount=0;

  }

 

 /**

  * Deposits money into the bank account.

  * @param amount the amount to deposit

  */

  public void deposit(double amount)

  { 

   //double newBalance = balance + amount;

   //balance = newBalance;

   balance = balance+amount;

   transactionCount++;

  }

 

  /**

  * Withdraws money from the bank account.

  * @param amount the amount to withdraw

  */

  public void withdraw(double amount)

  {  

   //double newBalance = balance - amount;

   //balance = newBalance;

   balance=balance-amount;

   transactionCount++;

  }

   //setting a fee charged for every transaction and modify the deposit and withdraw methods so that the fee is levied

  public void setTransFee(double amount)  

  {

   transFee = amount;

   //balance = balance - transFee;

   //balance = newBalance;

  }

  public void setNumFreeTrans(double amount)

  {

   freeTransactions = amount;

  }

 

  public void deductMonthlyCharge()

  {

   transactionCount = Math.max(transactionCount, freeTransactions);

   transFee = (transactionCount-freeTransactions )*transFee;

   balance = balance-transFee;

  transactionCount=0;

  }

   /**

  * Gets the current balance of the bank account.

  * @return the current balance

  */

  public double getBalance()

  {  

   return balance;

  }

 

}

  public class BankAccountTester

{

  public static void main (String [] args)

  {

  BankAccount ab = new BankAccount(1000);

 

  System.out.println("Set up new account with $1000, 5 free transactions, and $2 per transaction above 5");

  System.out.println("Starting Balance: " + ab.getBalance());

  ab.setTransFee(2.00); //Fee

  ab.setNumFreeTrans(5); //Free Transaction

  System.out.println("deposit 1000, withdraw 500, withdraw 400, deposit 200 - 4 transactions");

  ab.deposit(1000);

  ab.withdraw(500); 

  ab.withdraw(400); 

  ab.deposit(200);

  System.out.println("Balance: " + ab.getBalance()); 

  System.out.println("Excepted: 1300.0"); 

  System.out.println("Apply Monthly charge");

  System.out.println("Ending Balance Month 1: " + ab.getBalance()); 

  System.out.println("Excepted: 1300.0n"); 

  System.out.println("Starting Balance: " + ab.getBalance());

  System.out.println("Deposit 1000, withdraw 500, withdraw 400, deposit 200, deposit 500 - 5 transactions");

  ab.deposit(1000); 

  ab.withdraw(500); 

  ab.withdraw(400); 

  ab.deposit(200);

  ab.deposit(500); 

  System.out.println("Balance: " + ab.getBalance()); 

  System.out.println("Excepted: 2100.0"); 

  System.out.println("Apply Monthly Charge");

  System.out.println("Ending Balance Month 2: " + ab.getBalance()); 

  System.out.println("Excepted: 2100.0n");

  System.out.println("Starting Balance: " + ab.getBalance());

  System.out.println("Deposit 1000, withdraw 500, withdraw 400, deposit 200, deposit 500, withdraw 1000 - 6 transactions" );

  ab.deposit(1000); 

  ab.withdraw(500); 

  ab.withdraw(400); 

  ab.deposit(200); 

  ab.deposit(500); 

  ab.withdraw(1000); 

  System.out.println("Balance: " + ab.getBalance()); 

  System.out.println("Excepted: 1900.0");

  System.out.println("Apply Monthly charge");

  System.out.println("Ending Balance Month 3: " + ab.getBalance()); 

  System.out.println("Excepted: 1898.0n"); 

 

  System.out.println("Starting Balance: " + ab.getBalance());

  System.out.println("Deposit 1000, withdraw 500, withdraw 400, deposit 200, deposit 500, withdraw 1000, deposit 100 - 7 transactions");

  ab.deposit(1000); 

  ab.withdraw(500); 

  ab.withdraw(400); 

  ab.deposit(200); 

  ab.deposit(500); 

  ab.withdraw(1000); 

  ab.deposit(100); 

  System.out.println("Balance: " + ab.getBalance()); 

  System.out.println("Excepted: 1798.0"); 

  System.out.println("Apply Monthly Charge");

  System.out.println("Ending Balance Month 4: " + ab.getBalance()); 

  System.out.println("Excepted: 1794.0");

  }

}

 

 

 

 

didn't get the expect result, can someone fix it?