简单饮料自动售货机
作者:互联网
简单饮料售货机
实现功能:
设计一个处理单价为5角钱的饮料自动售货机:规格说明
若投入一角或一元的硬币,选择饮料,输出饮料。若无零钱则显示没有零钱,退回硬币,若有零钱,找回零钱并送出饮料,
设计分析:
使用面对对象的方法对自动售货机处理的逻辑进行具体实现,首先使用抽象的思维规划出有硬币Coin,饮料Drink,自动售货机的类,硬币存在不同价值的硬币对象,饮料类有类型属性,可以生成不同类型的饮料对象,自动售货机类,有零钱个数属性,有出售饮料的功能,和内部的找钱逻辑,故有公有的sellDrink()方法出售饮料,私有的returnCharge方法用与找钱。
package com.company;
import java.util.Scanner;
import java.util.concurrent.Callable;
public class AutoMain {
public static void main(String[] args) {
com.company.AutoBooth autoBooth = new com.company.AutoBooth(80);
System.out.println("请选择饮料:");
Scanner scanner = new Scanner(System.in);
String drinks=scanner.nextLine();
// Drink drink=new Drink("drinks");
Drink drink = new Drink();
drink.setDrinkName(drinks);
System.out.println(drink.getDrinkName());
Coin coin = new Coin(10);
autoBooth.sellDrink(drink,coin);
// int num=autoBooth.getNum();
System.out.println( "您要的饮料为:"+autoBooth.getDrink().getDrinkName());
System.out.println("投币金额为:"+coin.getCoinValue()+"饮料名:"+autoBooth.getDrink().getDrinkName()+" 找零"+autoBooth.getReturnCoin().getCoinValue());
}
}
package com.company;
public class Coin {
private int coinValue;
public Coin() {
}
public Coin(int coinValue) {
this.coinValue = coinValue;
}
public int getCoinValue() {
return coinValue;
}
public void setCoinValue(int coinValue) {
this.coinValue = coinValue;
}
}
package com.company;
public class Drink {
private String drinkName;
private double drinkPrice;
public Drink() {
}
public Drink(String drinkName) {
this.drinkName = drinkName;
}
public Drink(String drinkName, double drinkPrice) {
this.drinkName = drinkName;
this.drinkPrice = drinkPrice;
}
public String getDrinkName() {
return drinkName;
}
public void setDrinkName(String drinkName) {
this.drinkName = drinkName;
}
public double getDrinkPrice() {
return drinkPrice;
}
public void setDrinkPrice(double drinkPrice) {
this.drinkPrice = drinkPrice;
}
}
package com.company;
public class AutoBooth {
private Drink drink;
private Coin ReturnCoin;
private int num;
public AutoBooth() {
}
public AutoBooth(int num) {
this.num = num;
}
public AutoBooth(Drink drink, Coin coin, int num) {
this.drink = drink;
this.ReturnCoin = coin;
this.num = num;
}
public Drink getDrink() {
return drink;
}
public void setDrink(Drink drink) {
this.drink = drink;
}
public Coin getReturnCoin() {
return ReturnCoin;
}
public void setReturnCoin(Coin coin) {
this.ReturnCoin = coin;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public void sellDrink(Drink drink,Coin coin)
{
if(coin.getCoinValue()==5)
{
this.drink=drink;
this.ReturnCoin=new Coin(0);
this.num++;
}
if(coin.getCoinValue()==10)
{
if(this.num>0)
{
this.ReturnCoin=new Coin(5);
this.num--;
this.drink=drink;
}
else
{
this.ReturnCoin=new Coin(10);
this.drink=new Drink("橙汁");
}
}
}
}
实现效果:
新手小白,欢迎各位大神指导建议
标签:Drink,drink,饮料,drinkName,num,自动售货机,简单,Coin,public 来源: https://blog.csdn.net/xiaohutongxueya/article/details/121617500