Coinpurse.java

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

public class Coinpurse{

    private double amount;
    
    public Coinpurse(){
    	amount = 0;
    }
    public Coinpurse(double value){
	amount = value;
    }

    public void addTo(Coin c) {
	amount = amount + c.getAmount();
    }  
    public void removeFrom(Coin c) {
	amount = amount - c.getAmount();
    }
    public double getAmount(){
    	return amount;
    }
}