java数组之前的检验案例-双色球

我就是我 2023-07-13 10:39 66阅读 0赞

![双色球][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzE2NDk3NDIz_size_16_color_FFFFFF_t_70]

package 双色球案例;
    import java.util.Scanner;
    import java.util.Arrays;
    import java.util.Random;
    
    public class Test17 {
        
    	public static void main(String[] args) {
        
    		
    		//定义相关的变量
    		int[] userRedBall = new int[6];  //用户选择的红球号码
    		int[] sysRedBall = new int[6];  //系统生成的红球号码
    		int userBlueBall = 0;  //用户选择的蓝球
    		int sysBlueBall = 0;  //系统生成的蓝球
    		int redCount = 0;  //记录用户选择正确的红球数
    		int blueCount = 0; //记录用户选择正确的蓝球数
    		
    		int[] redBall = new int[33];  //用于存储1-33的红球号码
    		//需要随机生成6个在1-33之间不重复的数
    		for(int i=0; i<redBall.length; i++) {
        
    			redBall[i] = i+1;
    		}
    		
    		//游戏开始，系统提示
    		System.out.println("双色球游戏开始，good luck!");
    		System.out.println("请问您是要机选还是手选号码？<1 机选；<2 手选");
    		
    		Scanner input = new Scanner(System.in);
    		boolean flag = true;
    		Random r = new Random();
    		while(flag) {
        
    			
    			int isAuto = input.nextInt();
    			switch(isAuto) {
        
    			case 1:
    				//机选
    				computerSelection(redBall, userRedBall);//机选红球
    				userBlueBall = r.nextInt(16)+1; // 机选蓝球
    				flag = false;
    				break;
    			case 2:
    				//手选
    				System.out.println("请选择6个红球号码（1-33）：");
    				for(int i=0; i<userRedBall.length; i++) {
        
    					userRedBall[i] = input.nextInt();
    				}
    				System.out.println("请选择一个蓝球号码（1-16)");
    				userBlueBall = input.nextInt();
    				flag = false;
    				break;
    			default:
    				System.out.println("请问您是要机选还是手选号码？<1 机选；<2 手选");
    				break;
    			}
    		}
    		
    		//系统随机生成号码
    		//红球
    		computerSelection(redBall, sysRedBall);
    		//蓝球
    		sysBlueBall = r.nextInt(16)+1;
    		
    		//统计结果
    		//统计红球
    		for(int i=0; i<userRedBall.length; i++) {
        
    			
    			for(int j=0; j<sysRedBall.length-redCount; j++) {
        
    				
    				if(userRedBall[i] == sysRedBall[j]) {
        
    					int temp = sysRedBall[j];
    					sysRedBall[j] = sysRedBall[sysRedBall.length-1-redCount];
    					sysRedBall[sysRedBall.length-1-redCount] = temp;
    					redCount++;
    					break;
    				}
    			}
    		}
    		//统计蓝球
    		if(userBlueBall == sysBlueBall) {
        
    			blueCount++;
    		}
    		
    		//验证是否中奖
    		if(blueCount == 0 && redCount <= 3) {
        
    			System.out.println("革命尚未成功，同志还需努力！");
    		}else if(blueCount == 1 && redCount < 3) {
        
    			System.out.println("中了六等奖，5块钱!");
    		}else if((blueCount == 1 && redCount == 3) || (blueCount == 0 && redCount == 4)) {
        
    			System.out.println("中了五等奖，10块钱!");
    		}else if((blueCount == 1 && redCount == 4) || (blueCount == 0 && redCount == 5)) {
        
    			System.out.println("中了四等奖，100块钱！");
    		}else if(blueCount == 1 && redCount == 5) {
        
    			System.out.println("中了三等奖，3000块钱！");
    		}else if(blueCount == 0 && redCount == 6) {
        
    			System.out.println("中了二等奖，150W！！！");
    		}else if(blueCount == 1 && redCount == 6) {
        
    			System.out.println("中了一等奖！500W!!!");
    		}else {
        
    			System.out.println("系统有误，中奖无效！");
    		}
    		
    		//公布系统号码
    		System.out.println("本期中奖红球号码为：");
    		sort(sysRedBall);
    		System.out.println(Arrays.toString(sysRedBall));
    		System.out.println("本期中奖蓝球号码为：" + sysBlueBall);
    		
    		//公布用户号码
    		System.out.println("您选择的红球号码为：");
    		sort(userRedBall);
    		System.out.println(Arrays.toString(userRedBall));
    		System.out.println("您选择的蓝球号码为：" + userBlueBall);
    	
    		System.out.println("买双色球，造福你我他！谢谢！");
    		
    		input.close();
    	}
    	
    	//冒泡排序
    	public static void sort(int[] ball) {
        
    		for(int i=0; i<ball.length-1; i++) {
        
    			for(int j=0; j<ball.length-i-1; j++) {
        
    				if(ball[j] > ball[j+1]) {
        
    					ball[j] = ball[j]+ball[j+1];
    					ball[j+1] = ball[j] - ball[j+1];
    					ball[j] = ball[j] - ball[j+1];
    				}
    			}
    		}
    	}
    	
    	//用于在指定数列中，随机生成多个不重复的数
    	public static void computerSelection(int[] redBall, int[] userRedBall) {
        
    		
    		Random r = new Random();
    		int index = -1;
    		for(int i=0; i<userRedBall.length; i++) {
        
    			index = r.nextInt(redBall.length-i);
    			userRedBall[i] = redBall[index];
    			//将随机到的序号的数与数组的当前待选区长度最后一个元素交换位置
    			//保证每次随机得到的数不重复
    			int temp = redBall[index];
    			redBall[index] = redBall[redBall.length-1-i];
    			redBall[redBall.length-1-i] = temp;
    		}
    	}
    }

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzE2NDk3NDIz_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/2020031115151419.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzE2NDk3NDIz,size_16,color_FFFFFF,t_70