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Thread: Help me with this code.

  1. #1
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    Default Help me with this code.

    I am a beginner. This is an assignment given my class teacher. I have designed a class named Bank. Here I want to OPEN ACCOUNT, DEPOSIT MONEY, WITHDRAW MONEY and PRINT STATEMENT. My problem is in the PRINT STATEMENT method. I want to show, TIME, DATE, and last OPERATION(withdraw or deposit) and OPERATION AMOUNT. Now, I don't understand how I can get the last operation (whether it is withdraw or deposit?) and amount. Please see my code and do please help me. I have to submit it anyway, it will give me 10 marks. Do please help me.

    Thanks in advance.

    ]//************************************************************************************************************************
    // Lab Performance: 23 March 2011, Sec: C, Name: Ahamed Md. Faysal, ID: 09-14363-2, Email: [email]faysal40@gmail.com[/email], 01912120400
    //************************************************************************************************************************
     
     
    //***************************************** Class: Bank ***************************************************
    class Bank
    {
    	public String name;
    	public static int accountNumber = 1000;
    	public int balance;
     
    	Bank()
    	{
    		name = "A";
    		accountNumber = accountNumber + 1;
    		balance = 50000;
    	}
     
    	Bank(int moreThan50)
    	{
    		if(moreThan50>50000) //
    		{
    			name = "B";
    			accountNumber = accountNumber + 1;
    			balance = moreThan50;
    		}
     
    		else
    		{
    			System.out.println("Error !!! Initial depository amount must be more than 50000.");
    		}
    	}
     
     
    	//************************************ withdraw: Withdraw money from the account **************************
    	public void withdraw(int wAmount)
    	{
    		balance = balance - wAmount;
    		System.out.println(wAmount + " Taka has been successfully withdrawn.");
    	}
     
     
     
    	//************************************ dposit: Depositing money in the account ******************************
    	public void deposit(int dAmount)
    	{
    		balance = balance + dAmount;
    		System.out.println(dAmount + " Taka has been successfully deposited");
    	}
     
     
    	//********************************** checkBalance: Checking the current balance *****************************
    	public void checkBalance()
    	{
    		System.out.println("Your current balance is: " + balance);
    	}
     
     
    	//****************************************** Main Method ***************************************
    	public static void main(String args [])
    	{
    		System.out.println("\t\t\tWelcome to Touch Mangla Bank Limited\n\t\t=================================");
     
    		/*
    		//Bank a1 = new Bank();
    		//Bank a1 = new Bank(40000);
    		Bank a1 = new Bank(60000);
     
    		a1.withdraw(50000);
    		a1.checkBalance();
    		a1.deposit(120000);
    		a1.checkBalance();
    		*/
     
    		BankStatement b1 = new BankStatement(40000);
    		BankStatement b2 = new BankStatement(65000);
    		b2.checkBalance();
    		b2.deposit(450000);
    		b2.printStatement("25 March 2011", "2:00 am");
     
     
    		System.out.println();
    	}
    }
     
    //************************************* Class: BankStatement ******************************************
    class BankStatement extends Bank
    {
    	public String date;
    	public String time;
    	public String operation;
    	public int amount;
     
    	BankStatement()
    	{
    		super();
    	}
     
    	BankStatement(int mT50)
    	{
    		super(mT50);
    	}
     
     
    	//***************************** printStatement: Printing the bank statement ******************************
    	public void printStatement(String d, String t)
    	{
    		date = d;
    		time = t;
     
    		System.out.println("\t\t\tBank Statement\n_____________________________________");
    		System.out.println("Date: " + date + "\t\tTime: " + time);
    		System.out.println("Operation: " + operation + "\t\t\tAmount: " + amount);
     
    	}
    }


  2. #2
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    Default Re: Help me with this code.

    Why not add another instance variable to track the previous operation, you could use booleans or strings to accomplish it