购物清单

package helloworld;
import java.util.Scanner;
public class GouWu {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		System.out.println("依次输入三个商品名称\t单价\t数量\n");
		//第一个商品名称，单价，数量
		String name1 = input.next();
		double pri1 = input.nextDouble();
		int    num1 = input.nextInt();
		//第二个商品名称，单价，数量
		String name2 = input.next();
		double pri2 = input.nextDouble();
		int    num2 = input.nextInt();
		//第三个商品名称，单价，数量
		String name3 = input.next();
		double pri3 = input.nextDouble();
		int    num3 = input.nextInt();
		System.out.println("支付的金额：");
		int money = input.nextInt();
		input.close();//关闭输入流
		double mon1,mon2,mon3;//分别的商品总额
		double sum,change;
			mon1 = pri1*num1;
			mon2 = pri2*num2;
			mon3 = pri3*num3;
			sum  = mon1+mon2+mon3;
		if(money<sum){
			System.out.println("\t\t\t支付金额不够.");}
     		else{
     			change = money-sum;
     			System.out.println("__________________________________");
     			System.out.println("***********消费单****************");
     			System.out.println("购买物品\t单价\t个数\t金额");
     			System.out.print(name1+"\t￥"+pri1+"\t"+num1+"\t￥"+mon1+"\n");
     			System.out.print(name2+"\t￥"+pri2+"\t"+num2+"\t￥"+mon2+"\n");
     			System.out.print(name3+"\t￥"+pri3+"\t"+num3+"\t￥"+mon3+"\n");
     			System.out.println("==================================");
     			System.out.println("消费总金额"+"\t\t\t￥"+sum);
     			System.out.println("实际交费"+"\t\t\t￥"+money);
     			System.out.println("找钱"+"\t\t\t￥"+change);}
	}
}