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import java.util.*;/**   A purse holds a collection of coins.*/public class Purse{    public Purse()    {    }         public void add(String coinName)    {        coins.add(coinName);     }    public String toString()    {        String data="";        for (String x: coins)        {            data+=x;        }        return data;    }    public String reverse()    {        String data2="";        for (int i=coins.size(); i>-1; i--)        {            data2=coins.get(i);        }        return data2;    }    public void transfer(Purse other)    {        for (String x:coins)        {            other.add(x);        }        for (String x:coins)        {            coins.remove(x);        }    }    public boolean sameContents(ArrayList other)    {        boolean same = false;        String x=coins.toString();	        String y=other.toString();                    for (int i=0; i<coins.size();i++)        {            if (coins.get(i).equals(other.get(i)))            {                same = true;            }            else             {                same = false;            }        }        return same;    }    public boolean sameCoins(ArrayList <String> other)    {        double sum=0.0;        for (String x:other)        {            if (x.equals("nickle"))            {                sum+=.05;            }            else if (x.equals("dime"))            {                sum+=.1;            }            else if (x.equals("nickle"))            {                sum+=.05;            }            else if (x.equals("quarter"))            {                sum+=.25;            }            else if (x.equals("penny"))            {                sum+=.01;            }        }        double sum1=0;	        for (String y:coins)        {            if (y.equals("nickle"))            {                sum1+=.05;            }            else if (y.equals("dime"))            {                sum1+=.1;            }            else if (y.equals("nickle"))            {                sum1+=.05;            }            else if (y.equals("quarter"))            {                sum1+=.25;            }            else if (y.equals("penny"))            {                sum1+=.01;            }        }        if (sum1==sum)        {            return true;        }        else         {            return false;        }    }    private ArrayList<String> coins;}