用java编写一个程序,从键盘上输入某种商品名称,单价的折扣率,输出该商品打折后的价格，要求使用 编写一个java程序,从键盘上输入一个整数值,经程序运算后输...
\u7528Java\u7f16\u5199\u8f93\u5165\u67d0\u4e00\u5546\u54c1\u540d\u79f0,\u67e5\u8be2\u5176\u5355\u4ef7\u548c\u6570\u91cfimport java.util.Scanner;
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int name;
Scanner sc = new Scanner(System.in);
System.out.println("\u8bf7\u8f93\u5165\u4f60\u60f3\u8981\u67e5\u8be2\u7684\u5546\u54c1\u540d\u79f0");
name=sc.nextInt();
switch(name){
case 1:System.out.println(" \u82f9\u679c\uff1a \u4ef7\u683c\uff1a5\u5143\uff1b \u6570\u91cf\uff1a\u5341\u4e2a");break;
case 2:System.out.println(" \u9999\u8549\uff1a \u4ef7\u683c\uff1a3\u5143\uff1b \u6570\u91cf\uff1a\u5341\u4e00\u4e2a");break;
case 3:System.out.println(" \u68a8\u5b50\uff1a \u4ef7\u683c\uff1a5.9\u5143\uff1b \u6570\u91cf\uff1a\u516b\u4e2a");break;
default :System.out.println(" \u62b1\u6b49\u627e\u4e0d\u5230\u8be5\u5546\u54c1");break;
}
}
}
Scanner sc = new Scanner(System.in);
String num = sc.nextLine();
char[] chars = null;
for(i=0;i<=num.length();i++){
chars[i] = num.charAt(i);
}
for(i=0;i<=chars.length;i++){
System.out.println(chars[i]);
}
import java.util.Scanner;
public class qc {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
String c="";
double d=0.0;double e=0.0;
System.out.println("请输入商品名称：");
c=input.next();
System.out.println("请输入商品折扣率：");
d=input.nextDouble();
System.out.println("请输入商品原价：");
e=input.nextDouble();
System.out.println("商品打折后的价格：" +e*d);
}
技术有限 谢谢采纳
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