please show me how can this show the right output that i need please continue doing this program using only if else and do while please please" here is the problem

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?

...

heres the code thati did:

/**
 * @param args
 */
public static void main(String[] args) {

String a =(JOptionPane.showInputDialog(null, "Automatic Teller Machine\n [B] Balance Inquiry\n [D]Deposit\n [W] Withdrawal\n [Q] Quit\n Select you Options:  ","Automatic Teller Machine",JOptionPane.PLAIN_MESSAGE));

String B= "B"; String D="D"; String W="W"; String Q="Q"; String b = "b"; int balance= 0; int deposit = 0; int withdraw= 0; double bal = 0;

int ans = 0; int trans = 0;

do { if(a.equalsIgnoreCase(B)) { { JOptionPane.showMessageDialog(null, "Your Balance is: ","BALANCE INQUIRY"+ bal,JOptionPane.PLAIN_MESSAGE );

bal=bal+deposit;
    }
    ans=JOptionPane.showConfirmDialog(null, "Would you like to generate bank slip?","Generate Bank Slip",JOptionPane.YES_NO_OPTION);

     if (ans == 1);
    {    //no
trans =JOptionPane.showConfirmDialog(null,"Would You Like Another Transaction?","Another Transaction",JOptionPane.YES_NO_OPTION);

if (trans == 1)

    {
    JOptionPane.showMessageDialog(null, "Thanks For Using My Program!!");
    System.exit(0);
    }

    else if (trans == 0)
    { 
         b =(JOptionPane.showInputDialog(null, "Automatic Teller Machine\n [B] Balance Inquiry\n [D]Deposit\n [W] Withdrawal\n [Q] Quit\n Select you Options:  ","Automatic Teller Machine",JOptionPane.PLAIN_MESSAGE));
    }


    else if   (ans == 0); // yes
    {   JOptionPane.showMessageDialog(null, "BALANCE INQUIRY \n AMOUNT BALANCE: "+ bal+ "\nPrinting Bank slip.....");

    }
    }
    }













else if (a.equalsIgnoreCase(D))
{

int dep =Integer.parseInt(JOptionPane.showInputDialog (null,"Enter Your Deposit Amount" )); 


if (ans == 1);
{    //no

trans =JOptionPane.showConfirmDialog(null,"Would You Like Another Transaction?","Another Transaction",JOptionPane.YESNOOPTION);

if (trans == 1)

{
JOptionPane.showMessageDialog(null, "Thanks For Using My Program!!");
System.exit(0);
}

else if (trans == 0)
{ 
     b=(JOptionPane.showInputDialog(null, "Automatic Teller Machine\n [B] Balance Inquiry\n [D]Deposit\n [W] Withdrawal\n [Q] Quit\n Select you Options:  ","Automatic Teller Machine",JOptionPane.PLAIN_MESSAGE));
}


else if   (ans == 0); // yes
{   JOptionPane.showMessageDialog(null, "BALANCE INQUIRY \n AMOUNT BALANCE: "+ deposit+ "\nPrinting Bank slip.....");

}
}
}













else if (a.equalsIgnoreCase(W))
{
    int wht= Integer.parseInt(JOptionPane.showInputDialog(null," Enter the Withdrawal Amount:"));

}

   ans=JOptionPane.showConfirmDialog(null, "Would you like to generate bank slip?","Generate Bank Slip",JOptionPane.YES_NO_OPTION);

    if (ans == 1)
    { //no
JOptionPane.showConfirmDialog(null,"Would You Like Another Transaction?","Another Transaction",JOptionPane.YES_NO_OPTION);


    if (trans == 1)
    {
    JOptionPane.showMessageDialog(null, "Thanks For Using My Program!!");
    }
    else if (trans == 0)
    { 
         b =(JOptionPane.showInputDialog(null, "Automatic Teller Machine\n [B] Balance Inquiry\n [D]Deposit\n [W] Withdrawal\n [Q] Quit\n Select you Options:  ","Automatic Teller Machine",JOptionPane.PLAIN_MESSAGE));
    }  

    else if (ans == 0)
    { // yes
    JOptionPane.showMessageDialog(null, "DEPOSIT INQUIRY \n AMOUNT DEPOSIT: "+ withdraw+ "\nPrinting Bank slip.....");
    }



    }

} while (a == Q);

}}