Formatting Integers Into Money

Having the following fields for my money class.

import java.text.DecimalFormat;
public class Money {
//Fields for money will hold dollars and cents
private long dollars;
private long cents;

My task is to use those fields and make a toString method that returns them like a dollars sign. For instance, if there are 32 dollars and 40 cents, then in my String method I have to return something similar to this "$32.40."

I have already tried some of the methods, but they don't seem to work fine.

public String toString() {
DecimalFormat formatter=new DecimalFormat("$#0");
DecimalFormat formatCents=new DecimalFormat(".00");
return formatter.format(dollars)+ formatCents.format(cents);
}

Code:

import java.text.DecimalFormat;
public class Money
{
//Fields for money will hold dollars and cents
private long dollars;
private long cents;
 
[Code] ....

Actually changed a little on my code and I believe strongly this should work; however, doesn't seem to. In my demo,

public class Dem {
public static void main(String[] args) {
Money myMoney=new Money(7.10);
System.out.print(myMoney.toString());
}
 
}

I pass this, but I get "$700.00" as the answer... confused...

My calculation is wrong in the toString method, but still the cents do not appear to be showing.