java游戏核心源代码 对于喜欢java游戏的可以看看 和有帮助的

				package domainobjects;								public class ShoppingCartImpl implements ShoppingCart {								    private float totalAmount;				    private long[] itemNumbers;								    public ShoppingCartImpl(float totalAmount, long[] itemNumbers) {				        this.totalAmount = totalAmount;				        this.itemNumbers = itemNumbers;				    }								    public long[] getItemNumbers() {				        return itemNumbers;				    }								    public float getTotalAmount() {				        return totalAmount;				    }				}