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2024年3月11日发(作者:java虚拟机的gc机制有哪些优缺点)

1 package org. open. java;

2

3/**

4*任务1

5 * @author chenjunfeng02

6 *

7 */

8 public class FinalExam1 {

9 private float waterPrice = 3.0f; //矿泉水

10 private float breadPrice = 3.5f; //面包

11 private float icecreamPrice = 2.5f; //冰棍.

12 private float fastFoodPrice = 4.5f; //方便面

13 private float cocaColaPrice = 3.5f; //瓶装可乐

14

15 public FinalExam1() {

16

17 }

18

19 /**

20 *计算购物的总价格

21 *

22 * @param water矿泉水的数量

23 * @param bread 面包的数量

24 * @param icecream 冰棍的数量

25 *@return

26 */

27 public float calcPriceByXiaoMing(int waterNum, int breadNum, int cocaColaNum) {

28 System. out. println("==========小明购买的产品列表===============");

29 System. n("矿泉水: " + waterNum);

30 System. n("面包:" + breadNum) ;

31 System. n("瓶装可乐:" + cocaColaNum) ;

32

33 float totalPrice = waterNum * waterPrice +

34 breadNum * breadPrice + cocaColaNum * this. cocaColaPrice;


本文标签: 数量 购物 购买 机制 计算