CoinPurse.java

import java.io.*;
import java.util.*;

public class CoinPurse{
    private double amount;
    
    public CoinPurse(){
	amount=0.00;
    }
    public void addTo(Coin c){
	amount=amount + (c.getValue());
	
    }

    public void removeFrom(Coin c){
	amount=amount- (c.getValue());
    }

    public double getAmount(){
	return amount;
    }
}