hand first设计模式 -迭代器模式2012-01-05 javaeye pan_java迭代器模式 : 提供一种方法顺序访问一个聚合对象中的各个元素,而又不暴露其内部的表示.A食物Java代码
public class AFood { private String name; private double price; public AFood(String name,double price){ this.name= name; this.price = price; } public String getName() { return name; } public void setName(String name) { this.name = name; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } @Override public String toString() { // TODO Auto-generated method stub return "Name:" + name + " ,Price" + price; } }