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标题: 这种解答看不懂 [打印本页]

作者: Quasimodo2 时间: 2016-10-13 21:57
标题: 这种解答看不懂
public static void main(String[] args) {
//第一步:系统自定义生成6个红球号码和1个蓝球号码,分别赋值
int[] sysRedBallNum = new int[6]; //系统红球号码组
int sysBlueBallNum; //系统蓝球号码
Random rd = new Random(); //随机数
int index = 0; //索引
while (true) {
int x = rd.nextInt(33) + 1;
boolean flag = true; //标记
for (int i = 0; i < sysRedBallNum.length; i++) {
if (x == sysRedBallNum[i]) {
flag = false;
}
}
if (flag && index < 6) {
sysRedBallNum[index] = x;
index++;
}
if (index >= 6)
break;
}
//生成系统的蓝球号码
sysBlueBallNum = rd.nextInt(16) + 1;

//第二步:创建键盘录入对象,提示用户分别输入六个红球号码和1个蓝球号码
System.out.println("请您输入红球号码:");
int[] userRedBallNum = new int[6];
for (int i = 0; i < userRedBallNum.length; i++) {
userRedBallNum[i] = inputNum();
}
System.out.println("请您输入蓝球号码:");
int userBlueNum = inputNum(); //用户的蓝球号码

//第三步:遍历输出系统和用户输入的号码
System.out.print("系统的红球号码是:");
for (int i : sysRedBallNum) {
System.out.print(i + " ");
}
System.out.println("蓝球号码是:" + sysBlueBallNum);

System.out.print("用户输入的红球号码为:");
for (int i : userRedBallNum) {
System.out.print(i + " ");
}
System.out.println("蓝球号码为:"+userBlueNum);

//第四步:统计中奖个数
int blueBallCount = sysBlueBallNum == userBlueNum ? 1 :0;
int redBallCount = 0;
for(int i : sysRedBallNum){
for(int j : userRedBallNum){
if(i == j){
redBallCount++;
}
}
}
System.out.println("红球中奖个数为:" + redBallCount+"个,蓝球中奖个数为:"+ blueBallCount+"个");
//第五步:公布中奖结果
if(redBallCount == 6 && blueBallCount==1){
System.out.println("恭喜您中了一等奖!");
}else if(redBallCount == 6 && blueBallCount ==1){
System.out.println("恭喜您中了二等奖");
}else if(redBallCount ==4 || redBallCount ==3 && blueBallCount ==1){
System.out.println("恭喜您中了三等奖");
}else if(redBallCount ==1 && blueBallCount ==1){
System.out.println("恭喜您中了四等奖");
}else{
System.out.println("很遗憾,您没有中奖!");
}
}

public static int inputNum() {
Scanner sc = new Scanner(System.in);
System.out.println("请输入一个数:");
return sc.nextInt();
}
}

作者: jinjinjin 时间: 2016-10-13 23:39
import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;
/**
* 彩票代码,系统
* */

public class Test {
static int BuleNum =0;
static int userBlueNum =0;
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
Random ran = new Random();
   //用户输入的彩票

         int[] userRedNum = new int[6];
         for (int i = 0; i < userRedNum.length; i++) {
            System.out.println("请您输入第"+(i+1)+"个红球号码:");
            int num =sc.nextInt();
            userRedNum[i]=num;
         }
         System.out.println("请您输入蓝球号码:");
         int userBlueNum = sc.nextInt(); //用户的蓝球号码

System.out.print("用户输入的红球号码"+Arrays.toString(userRedNum)+" ");
System.out.println("用户输入的蓝球号码"+userBlueNum);

//系统彩票
int[] Redarr = new int[6];
int BuleNum =ran.nextInt(16)+1;
for (int i = 0; i < Redarr.length; i++) {
int num = ran.nextInt(33)+1;
if(!luckNum(Redarr,num)){
Redarr[i] =num;
}else{
i--;
}
}

System.out.print("系统的红球号码"+Arrays.toString(Redarr)+" ");
System.out.println("系统的蓝球号码"+BuleNum);

//第四步:统计中奖个数
//蓝球号码
      int blueCount = BuleNum == userBlueNum ? 1 :0;
      int redCount = 0;
      for(int i : Redarr){
            for(int j : userRedNum){
                     if(i == j){
                              redCount++;
                     }
            }
      }
      System.out.println("红球中奖个数为:" + redCount+"个,蓝球中奖个数为:"+ blueCount+"个");
      //第五步:公布中奖结果
      if(redCount == 6 && blueCount==1){
            System.out.println("恭喜您中了一等奖!");

      }else if(redCount == 6 && blueCount ==0){
            System.out.println("恭喜您中了二等奖");

      }else if(redCount ==5 || redCount ==4 && blueCount ==1){
         System.out.println("恭喜您中了三等奖");
      }
      else if(redCount ==3 && blueCount ==1){
            System.out.println("恭喜您中了三等奖");
      }else if(redCount ==1 && blueCount ==1){
            System.out.println("恭喜您中了四等奖");
      }else{
            System.out.println("很遗憾,您没有中奖!");
      }
}

//判断随机号码是否重复
public static boolean luckNum(int[]arr,int lucknum ){
boolean flag = false;
for (int i = 0; i < arr.length; i++) {
if(arr[i]==lucknum){
flag =true;
}
}
return flag;
}
}

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