chaidecorator.java

着是一个java小程序 用来练习的 里面有各种茶 供查询等服务

import java.util.ArrayList;
import java.util.ListIterator;

public class ChaiDecorator extends Tea {
    private Tea teaToMakeChai;
    private ArrayList chaiIngredients = new ArrayList();
    
    public ChaiDecorator(Tea teaToMakeChai) {
        this.addTea(teaToMakeChai);
        chaiIngredients.add("bay leaf");
        chaiIngredients.add("cinnamon stick");
        chaiIngredients.add("ginger");
        chaiIngredients.add("honey");
        chaiIngredients.add("soy milk");
        chaiIngredients.add("vanilla bean");
    }

    private void addTea(Tea teaToMakeChaiIn) {
        this.teaToMakeChai = teaToMakeChaiIn;
    }
    
    public void steepTea() {
        this.steepChai();
    }

    public void steepChai() {
        teaToMakeChai.steepTea();
        this.steepChaiIngredients();
        System.out.println("tea is steeping with chai");
    }    
    
    public void steepChaiIngredients() {
        ListIterator listIterator = chaiIngredients.listIterator();
        while (listIterator.hasNext()) {
            System.out.println(((String)(listIterator.next())) + 
                                         " is steeping");
        }
        System.out.println("chai ingredients are steeping");
    }      
}