java代码实现从键盘输入编号,输出价格,并且不再编号内的,无效输入!!!!

总结:请给我更好的建议 

package com.badu;

import java.util.Scanner;

//从键盘输入次数,通过输入的编号,输出对应的的商品价格;
public class tqwe {
	public static void main(String[] args) {
		Scanner c = new Scanner(System.in);
		int x = c.nextInt();// x是次数,number是编号,price是价格
		int number[] = new int[x];
		double price;
		for (int i = 0; i < x; i++) {
			System.out.println("请输入编号:");
			number[i] = c.nextInt();

			if (number[i] == 1) {
				price = 3.0;
				System.out.println("apples的价格是" + price);
			} else if (number[i] == 2) {
				price = 2.5;
				System.out.println("orange的价格是" + price);
			} else if (number[i] == 3) {
				price = 4.1;
				System.out.println("pears的价格是" + price);
			} else if (number[i] == 4) {
				price = 10.2;
				System.out.println("graps的价格是" + price);
			} else {
				System.out.println("该商品不存在!!!!");
				continue;
			}

		}

	}

}
//
6
请输入编号:
5
该商品不存在!!!!
请输入编号:
3
pears的价格是4.1
请输入编号:
2
orange的价格是2.5
请输入编号:
1
apples的价格是3.0
请输入编号:
3
pears的价格是4.1
请输入编号:
4
graps的价格是10.2

  

原文地址:https://www.cnblogs.com/langlove/p/3409453.html