双色球小程序(关于对数组的使用)

package 双色球;

import java.util.Scanner;

public class 双色球 {	
	public static void main(String args[]) {
		Scanner sr=new Scanner(System.in);
		int []balls=new int[7];
		int count=0;
		boolean isBye=false;
		
		while(true) {
		System.out.println("--------------欢迎进入双色球系统-----------------------");
		System.out.println("1.-------请输入你要买入双色球");
		System.out.println("2.-------查看是否中奖,");
		System.out.println("3.-------退出");
		System.out.println("请选择你要完成的功能:");
		int choose=sr.nextInt();
		
		switch(choose) {
		case 1:
			System.out.println("双色球系统购买彩票");
			System.out.println("请你选择要购买几注: ");
			count=sr.nextInt();
			
			for(int i=1;i<=7;i++) {
				if(i!=7) {
					System.out.println("请录入第"+i+"个红球");
					int redBalii=sr.nextInt();
					balls[i-1]=redBalii;
				}else {
					System.out.println("请录入一个蓝球");
					int blueBall=sr.nextInt();
					balls[6]=blueBall;
				}
			}
			System.out.println("您购买了"+count+"注彩票,一共消费了"+count*2+"元钱,你购买的彩票号额为:");
			for(int num:balls) {
				System.out.print(num+"\t");
			}
			System.out.println();
			isBye=true;
			break;
		case 2:
			if(isBye=true) {
			int[] luckBall= GetLuckBall();
			int level=getLevel(balls,luckBall);
			
			switch(level) {
			case 1:
				System.out.println("恭喜你,中了1等奖,1注奖金500万,您一共获得"+500*count+"万元");
				break;
			case 2:
				System.out.println("恭喜你,中了2等奖,1注奖金100万,您一共获得"+100*count+"万元");
				break;
			case 3:
				System.out.println("恭喜你,中了3等奖,1注奖金30万,您一共获得"+30*count+"万元");
				break;
			case 4:
				System.out.println("恭喜你,中了4等奖,1注奖金5万,您一共获得"+5*count+"万元");
				break;
			case 5:
				System.out.println("恭喜你,中了5等奖,1注奖金2000元,您一共获得"+2000*count+"元");
				break;
			case 6:
				System.out.println("恭喜你,中了6等奖,1注奖金5元,您一共获得"+5*count+"元");
				break;
			}
			System.out.println("双色球系统查看开奖");
			}else {
				System.out.println("对不起,请先购买彩票!");
			}
			break;
		case 3:
			System.out.println("双色球系统退出");
			return;
		}
	}
}
	
	//定义一个方法,专门用来生成中间号码
	public static int[] GetLuckBall() {	
		//int[] luckBall= {1,2,3,4,5,6,7};
		 int[] luckBall=new int[7];
		 for(int i=1;i<=7;i++) {
			 if(i!=7) {
				 luckBall[i-1]=(int)(Math.random()*33+1);
			 }else {
				 luckBall[6]=(int)(Math.random()*16+1);
			 }
		 }
		return luckBall;
	}

	//定义一个方法,专门比较购买号码和中奖号码;
	public static int getLevel(int[] balls,int[] luckBall) {
		int level=0,redCount=0, blueCount=0;
	
		for(int j=0;j<=5;j++) {
			if(balls[j]==luckBall[j]) {
				redCount++;
			}
		}
			
			if(balls[6]==luckBall[6]) {
				blueCount++;
		}
		System.out.println("红球有"+redCount+"个相等");
		System.out.println("蓝球有"+blueCount+"个相等");
		
		if(redCount==6&&blueCount==1) {
			level=1;
		}else if(redCount==6) {
			level=2;
		}else if(redCount==5&&blueCount==1) {
			level=3;
		}else if(redCount==5||(redCount==4&&blueCount==1)) {
			level=4;
		}else if(redCount==4||(redCount==3&&blueCount==1)) {
			level=5;
		}else {
			level=6;
		}
		return level;
	}
}