購物結算，購物車結算代碼

購物結算，購物車結算代碼

package card;

import java.util.Scanner;

public class Shoping {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner input = new Scanner(System.in);
        System.out.println("依次輸入購買物品，單價，個數:");
        //第一件商品，單價，個數
        String name1 = input.next();
        float price1 = input.nextFloat();
        int num1 = input.nextInt();
        float sum1 = price1*num1;
        //第二件商品，單價，個數
        String name2 = input.next();
        float price2 = input.nextFloat();
        int num2 = input.nextInt();
        float sum2 = price2*num2;
        //第三件商品，單價，個數
        String name3 = input.next();
        float price3 = input.nextFloat();
        int num3 = input.nextInt();
        float sum3 = price3*num3;
        
        System.out.println("實際交費:");
        float money = input.nextFloat();    //交費
        float allSum = sum1+sum2+sum3;  //消費總金額
        float p=money-allSum;        //找零
        if(p<0){    
            System.out.println("\t\t金額不足,支付失敗");
        }
        else{
            System.out.println("************消費單************");
            System.out.println("購買物品\t單價\t個數\t金額");
            System.out.println(name1+"\t"+price1+"\t"+num1+"\t"+sum1);
            System.out.println(name2+"\t"+price2+"\t"+num2+"\t"+sum2);
            System.out.println(name3+"\t"+price3+"\t"+num3+"\t"+sum3);
            System.out.println("============================");
            System.out.println("消費總金額\t\t\t"+money);
            System.out.println("實際交費\t\t\t"+allSum);
            System.out.println("找錢\t\t\t"+p);
        }
        input.close();
    }
}