public class Purse
{
public Purse(){...}
public void addNickels(int count){...}
public void addDimes(int count){...}
public void addQuarters(int count){...}
public double getTotal(){...}
public static final double NICKEL_VALUE =0.05;
public static final double DIME_VALUE =0.1;
public static final double QUARTER_VALUE =0.25; ...
}