import java.util.*;
public class GoodLuck { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("我行我素购物管理系统 > 幸运抽奖\n");
Scanner input = new Scanner(System.in);
System.out.println("请输入4位会员号:"); //从键盘获取4位会员号
String answer;
do {
System.out.println("请输入4位会员号:"); //从键盘获取4位会员号
int random = (int) (Math.random() * 10);
System.out.println(random);
int custNo = input.nextInt();
int qianwei = custNo / 1000;
int baiwei = custNo % 1000 / 100;//分解获得百位
int no= input.nextInt();
baiwei =random; //判断是否是幸运会员并输出相应的信息
System.out.println("y/n"); //提示用户是否继续
answer =input.next(); //从键盘获取用户输入 (y/n)
if (random >= 0 && random <= 9) { System.out.println(custNo + "\t是幸运客户,获精美Mp3一个"); } else {
System.out.println(custNo + "\t谢谢你的支持!"); } while (answer.equals("y"));
System.out.println("\n请输入4位会员号");
}
}
如题 看下哪里出错 帮忙看下 具体怎么改 在下万分感谢
public class GoodLuck { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("我行我素购物管理系统 > 幸运抽奖\n");
Scanner input = new Scanner(System.in);
System.out.println("请输入4位会员号:"); //从键盘获取4位会员号
String answer;
do {
System.out.println("请输入4位会员号:"); //从键盘获取4位会员号
int random = (int) (Math.random() * 10);
System.out.println(random);
int custNo = input.nextInt();
int qianwei = custNo / 1000;
int baiwei = custNo % 1000 / 100;//分解获得百位
int no= input.nextInt();
baiwei =random; //判断是否是幸运会员并输出相应的信息
System.out.println("y/n"); //提示用户是否继续
answer =input.next(); //从键盘获取用户输入 (y/n)
if (random >= 0 && random <= 9) { System.out.println(custNo + "\t是幸运客户,获精美Mp3一个"); } else {
System.out.println(custNo + "\t谢谢你的支持!"); } while (answer.equals("y"));
System.out.println("\n请输入4位会员号");
}
}
如题 看下哪里出错 帮忙看下 具体怎么改 在下万分感谢
package homework;import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Random;public class Goodluck1 { public static void main(String[] args) {
BufferedReader buffIn = null;
try {
buffIn = new BufferedReader(new InputStreamReader(System.in));
String s = "";
System.out.println("请输入会员号码:");
while((s = buffIn.readLine()) != null){
String s1 = s;
int k = 0;
try {
k = Integer.parseInt(s);
} catch (Exception e) {
System.out.println("会员号码输入不符号规定,请再次输入:");
continue;
}
int k1 = (k%1000)/100;//或得百位数字
Random random = new Random();
int r = random.nextInt(10);
System.out.println("你的会员号码是:"+ k + ",此次的幸运码是" + r);
if(k1 == r){
System.out.println("恭喜你获得mp3一个");
}else {
System.out.println("谢谢你的参与");
}
System.out.println("请再次输入会员号码:");
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
import java.util.Scanner;public class GoodLuck { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("我行我素购物管理系统 > 幸运抽奖\n");
//System.out.println("请输入4位会员号:"); //从键盘获取4位会员号
String answer;
do {
int random = (int) (Math.random() * 10);
System.out.println(random);
System.out.print("\n请输入4位会员号:"); //从键盘获取4位会员号
Scanner input = new Scanner(System.in);
int custNo = input.nextInt();
// int qianwei = custNo / 1000;
// int baiwei = custNo % 1000 / 100;//分解获得百位
// int no = new Scanner(System.in).nextInt();
// baiwei = random; //判断是否是幸运会员并输出相应的信息
if (random >= 0 && random <= 9) {
System.out.println(custNo + "\t是幸运客户,获精美Mp3一个");
} else {
System.out.println(custNo + "\t谢谢你的支持!");
}
System.out.print("y/n"); //提示用户是否继续
answer = new Scanner(System.in).next(); //从键盘获取用户输入 (y/n)
} while (answer.equals("y")); System.out.println("\n请输入4位会员号");
}
}