import java.util.*;
public class TestStore{
    public static void main(String[] args){
        // 3.b - works 
        Store<Bicycle> bStore = new Store<Bicycle>();
        Bicycle big = new Bicycle("big");
        Bicycle small = new Bicycle("Small");
        bStore.add(big);
        bStore.add(small);
        Bicycle b = bStore.remove();
        System.out.println(b);
        
        // 3.c
        Store<Goods> generalStore = new Store<Goods>();
        generalStore.addAll(new ArrayList<Bicycle>());
        
        // 3.d
        Collection<Goods> g = new ArrayList<Goods>();
        generalStore.sellAll(g);
        bStore.sellAll(g);
    }
}