35选7示例

package java;
import java.util.Scanner;
public class Lottery {


public static void main(String[] args) {
// TODO Auto-generated method stub
Lottery.TicketCheck();
}
public static void TicketCheck() {


Scanner sc=new Scanner(System.in);
int[] a = new int[7];
int[] b = new int[7];
System.out.println("---------购买彩票---------");
//身份证验证
boolean flag=false;

System.out.println("身份证号:");
String identityCard = sc.nextLine();
String res_identityCard = "\\d{18}";
if (identityCard.matches(res_identityCard)) {
System.out.println("身份证格式正确");
flag=false;
}else {
System.out.println("身份证格式不正确");
flag=true;
}



   //输入购买号码
System.out.println("购买号码:(输入(1-35)的7个数字以逗号间隔)");
for (int i = 0; i < a.length; i++) {
a[i]=sc.nextInt();
}


int index_num=0;
System.out.println("---------彩票开奖---------");
System.out.print("[");
for (int j = 0; j <b.length ; j++) {
int num=(int) Math.round(Math.random()*35+1);
int i=0;
for (i = 0; i < index_num+1; i++) {
if (num==b[i]) {
break;
}
}
if (i==index_num+1) {
b[j]=num;
index_num++;
}


if (j<=b.length-2) {
System.out.print(b[j]+",");
}
if (j==b.length-1) {
System.out.print(b[j]+"]");
}
}



System.out.println();
System.out.println("---------兑奖信息---------");
int index=0;
for (int x = 0; x < a.length; x++) {
for (int y = 0; y < b.length; y++) {
if (a[x]==b[y]) {
index++;
break;
}
}
}
System.out.println("中奖数字个数:"+index);
int money=0;
switch (index) {
case 0:
money=0;
break;
case 1:
money=0;
break;
case 2:
money=0;
break;
case 3:
money=5;
break;
case 4:
money=100;
break;
case 5:
money=5000;
break;
case 6:
money=100000;
break;
case 7:
money=10000000;
break;


default:
break;
}
System.out.println("中奖金额:"+money);
}


}