python to java

i have been trying to convert it but i cannot can do it can anyone help me thanks
import javax.swing.JOptionPane;
public class define{
private int CURRENT = 1;
private int DEPOSIT = 2;
private int POUND = £; // ==== GLOBAL VARIABLES ========
// [ ] means list has no (0) elements on it initially.
static String [ ] customers; static Boolean [ ] hasCurrent;
static Boolean [ ]hasDeposit;
static int [ ]currentAccountBalances;static int [ ]depositAccountBalances;

public static void main(String [] args)
{
choice = displayMenu();
while (choice != 0)
{ // NB choice == 0 is "quit"
if (choice == 1)
addCustomer( );
else if (choice == 2)
viewBalance();
else if (choice == 3)
withdrawCash();
else if (choice == 4)
depositFunds();
}//while
choice = displayMenu();
System.out.println ("Bye thanks for using the bank...");
}//main()
public static void displayMenu()
{ ( ... )
valid = False;
while (valid = true)
{
System.out.println ("\n\n******* MAIN MENU ****************\n");
System.out.println ("Please select one of the following options:");
System.out.println ("\t 1: create new account");
System.out.println ("\t 2: view a Customers Balance");
System.out.println ("\t 3: withdraw cash from a customers account");
System.out.println ("\t 4: deposit funds into a customers account");
System.out.println ("\t 0: quit....");
choice = input(" \t>>> " );
valid = check(choice);
}
return choice;
}//display menu ()
public void addCustomer()
{
name = raw_input("what is the customers name? >>> ");
System.out.println ("what kind of account do you want to create:");
System.out.println ("\t 1: CURRENT");
System.out.println ("\t 2: DEPOSIT");
System.out.println (" \t>>>");
type = input( );
while ((type != CURRENT) and (type != DEPOSIT))
{
System.out.println (" Sorry, input not recognised. Plese select 1 or 2:");
System.out.println ("\t 1: current");
System.out.println ("\t 2: deposit");
type = input(" \t>>> " );
}//while
updateCustomer(name, type);
}//add customer()
public void viewBalance()
{
//remember len(...) is a function which returns the length of a list
// its Java equivalent is <arrayName>.length
if (customers.length>0) //# ie we have customers
{
displayCustomers();
Boolean active = False;
String account = "";
custId = getCustId();
name = customers[custId];
accountType = getAccount( );
if (accountType () == CURRENT)
{
balance = currentAccountBalances[custId];
account = "current";
active = hasCurrent[custId];
}//if
else
{
balance = depositAccountBalances[custId];
account = "deposit";
active = hasDeposit[custId];
}
if (active)
{
System.out.println("Balance on"+ name+ "'s"+ account +"account is:" +balance);
}
else
System.out.println ("sorry that account has not been set up");
}
else
System.out.println ("No Customers available");
}//view balance()
public static void withdrawCash()
{
if (customers.length> 0);
{
displayCustomers();
custId = getCustId();
name = customers[custId];
accountType = getAccount( );
if ((accountType == CURRENT)and(hasCurrent[custId]))
withdraw(currentAccountBalances + custId + accountType);
else if ((accountType == DEPOSIT) and (hasDeposit[custId]))
withdraw(depositAccountBalances, custId, accountType);
else if
(System.out.println ("sorry! that account has not been set up"));
else
System.out.println ("No Customers available...");
}
}//withdraw cash()
public static void depositFunds()
{
{
if (customers.length> 0)
displayCustomers();
custId = getCustId();
name = customers[custId];
accountType = getAccount( );
if ((accountType) == (CURRENT) and (hasCurrent[custId]))
deposit(currentAccountBalances, custId, accountType);
else if ((accountType == DEPOSIT) and (hasDeposit[custId]))
desposit(depositAccountBalances, custId, accountType);
else System.out.println ("sorry! that account has not been set up");
else System.out.println ("No Customers available...");
}
}//deposit funds()
public static void check(){ // might not need this function in Java if showOptionDialog is used
bValue = False;
if (choice in range(0, 5))
bValue = True;
return bValue;
}//check()
public static void updateCustomer(custName,accountType){
// This condition might take a bit of thought to deal with in Java. Hint: what does isMember( ) do?? :
if (custName in customers)
custId = customers.index(custName);
currValue = hasCurrent[custId];
depValue = hasDeposit[custId];
create = True;
if (currValue)
{
System.out.println custName, ("already has a current account.");
}//currValue()
if (accountType) == CURRENT
System.out.println ("Sorry, you can't create another current account with us");
create = False;
if (depValue)
{
System.out.println custName, ("already has a deposit account with us");
}//depvalue()
if (accountType) == DEPOSIT
System.out.println ("Sorry, you can't create another deposit account with us");
create = False;
if (create)
{
createAnotherAccount(custId, accountType);
}//create ()
else()
createNewAccount(custName, accountType);
}// update customer()
public static void displayCustomers(){ length = len(customers);
System.out.println ("CUST ID\tCUST NAME");
System.out.println ("=======\t=========");
for count in range(0, length);
System.out.println (" " + str(count) + "\t ", customers[count]);
}//display customer()
public static void getCustId(){
tempId = input("Please enter custId >>> ");
length = len(customers);
while (tempId < 0 or tempId > length)
tempId = input(" invalid data: Please enter custId in range 0 to " + str(length));
return tempId
}//get custID()
public static void getAccount( ){
tempAcc = input("Please select \n1. CURRENT or \n2. DEPOSIT \n>>>");
while (tempAcc != CURRENT) and (tempAcc != DEPOSIT)
tempAcc = input("Invalid selection. Please select \n1. CURRENT or \n2. DEPOSIT \n>>>");
return tempAcc;
}// get account
public static void deposit(accountBalanceArray, id, type){
deposit = input("How much money does the customer want to deposit (0 to quit)? >>> " + POUND);
while (deposit < 0)
System.out.println ("use the withdraw function to take money from an account...");
deposit = input("How much money does the customer want to deposit (0 to quit)? >>> "+ POUND);
if (deposit >= 0)
accountBalanceArray[id] += deposit;
account = "";
name = customers[id];
if (type == CURRENT)
account = "current";
else ()
account = "deposit";
System.out.println ("New balance on" name+"'s", account,"account is: "+ POUND + str(accountBalanceArray[id]));
}//deposit
public static void withdraw(accountBalanceArray, id, type){
withdrawal = input("How much money does the customer want to take out (0 to quit)? >>> "+ POUND);
{
while (accountBalanceArray[id] - withdrawal) < 0 or withdrawal < 0
if (withdrawal < 0)
System.out.println ("use the deposit function to add money to an account...");
else
System.out.println ("Sorry. That amount would put the customer into the red.");
System.out.println ("The max amount the customer can withdraw is " + POUND + str(accountBalanceArray[id]));
withdrawal = input("How much money do they want to take out (0 to quit)? >>> " + POUND );
if (withdrawal >= 0)
accountBalanceArray[id] -= withdrawal;
account = "";
name = customers[id];
if (type == CURRENT)
account = "current";
else()
account = "deposit";
System.out.println ("New balance on", name+"'s", account,"account is: " + POUND + str(accountBalanceArray[id]));
}
public static void createNewAccount(custName, accountType){
account = "";
// hmm.. append is a built in Python program. We'll have to use our own append function in Java:
customers.append(custName)
{
if (accountType == CURRENT)
hasCurrent.append(True);
hasDeposit.append(False);
account = "current";
}
{
else if (accountType == DEPOSIT)
hasCurrent.append(False);
hasDeposit.append(True);
account = "deposit";
currentAccountBalances.append(0);
depositAccountBalances.append(0);
print custName + "'s", account, "account set up...";
}
}//create new account()
public static void createAnotherAccount(custId, accountType)
{
account = "";
{
if (accountType == CURRENT)
hasCurrent[custId] = True;
account = "current";
}
{
else if (accountType == DEPOSIT)
hasDeposit[custId] = True;
account = "deposit";
System.out.println (customers[custId] + "'s", account, "account set up...");
}
}

}