使用java實現了模擬雙色球
/**1.接受用戶輸入，6紅，1藍2.隨機生成 6紅 1藍3.比較系統的號碼和用戶號碼，記錄個數3.驗證是否中獎5.系統號碼排序6.公布結果*/import java.util.Scanner;import java.util.Random;public class Test9{	public static void main(String[] args){		int[] userRedBall = new int[6];		int userBlueBall = 0;		int[] sysRedBall = new int[6];		int sysBlueBall  =0;		int redCount = 0;		int blueCount = 0;		int[] redBall = new int[33];		int[] blueBall = new int[13];				//填寫紅球備選區數字		for(int i=0;i<redBall.length;i++){			redBall[i] = i+1;		}				//接收用戶選號		System.out.PRintln("雙色球游戲開始！");		System.out.println("請問是選擇1：機選 2：手選");				Scanner input = new Scanner(System.in);		Random r = new Random();		boolean flag = true;		while(flag){			int isAuto = input.nextInt();			switch(isAuto){				case 1://機選					int index = -1;//下標					System.out.println("機選的紅球是：/t/t藍球");					for(int i=0;i<userRedBall.length;i++){						index = r.nextInt(redBall.length-i);//將隨機到的數字賦值給數組下標						userRedBall[i] = redBall[index];//將紅球中的隨機數賦值給用戶紅球中						int temp = redBall[index];						redBall[index] = redBall[redBall.length-i-1];						redBall[redBall.length-i-1] = temp;						//redBall[index] = redBall[index]+redBall[redBall.length-i-1];//將隨機抽到的數調整到當前數組的最后一位						//redBall[redBall.length-i-1] = redBall[index]-redBall[redBall.length-i-1];						//redBall[index] = redBall[index]-redBall[redBall.length-i-1];						System.out.print(userRedBall[i]+"    ");					}					userBlueBall = r.nextInt(13)+1;//機選籃球					System.out.println("/t"+userBlueBall);					//for(int i=0;i<blueBall.length;i++)					flag = false;					break;				case 2://手選					System.out.println("請選擇6個紅球號碼（1~33）：");					for(int i=0;i<userRedBall.length;i++){						userRedBall[i] = input.nextInt();					}					System.out.println("請選擇1個藍球號碼（1~13）：");					userBlueBall = input.nextInt();					flag = false;					break;				default:					System.out.println("請問是選擇1：機選 2：手選");			}		}				//系統隨機產生的號碼		int index = -1;//下標		for(int i=0;i<sysRedBall.length;i++){			index = r.nextInt(redBall.length-i);//將隨機到的數字賦值給數組下標			sysRedBall[i] = redBall[index];//將紅球中的隨機數賦值給用戶紅球中			int temp = redBall[index];			redBall[index] = redBall[redBall.length-i-1];			redBall[redBall.length-i-1] = temp;			//redBall[index] = redBall[index]+redBall[redBall.length-i-1];//將隨機抽到的數調整到當前數組的最后一位			//redBall[redBall.length-i-1] = redBall[index]-redBall[redBall.length-i-1];			//redBall[index] = redBall[index]-redBall[redBall.length-i-1];		}		sysBlueBall = r.nextInt(13)+1;				//統計結果，判斷是兩者紅球個數redcount		for( int i=0;i<userRedBall.length;i++){			for(int j=0;j<sysRedBall.length;j++){				if(userRedBall[i]==sysRedBall[j]){					int temp = sysRedBall[j];					sysRedBall[j] = sysRedBall[sysRedBall.length-redCount-1];					sysRedBall[sysRedBall.length-redCount-1] = temp;					//sysRedBall[j] = sysRedBall[j] +sysRedBall[sysRedBall.length-redCount-1];					//sysRedBall[sysRedBall.length-redCount-1] = sysRedBall[j] -sysRedBall[sysRedBall.length-redCount-1];					//sysRedBall[j] = sysRedBall[j] -sysRedBall[sysRedBall.length-redCount-1];					redCount++;					break;				}			}		}		if(userBlueBall == sysBlueBall){			blueCount = 1;		}				//排序本期中獎號碼		for(int i=0;i<sysRedBall.length-1;i++){			for(int j=0;j<sysRedBall.length-1-i;j++){				if(sysRedBall[j]>sysRedBall[j+1]){					int temp = sysRedBall[j];					sysRedBall[j] = sysRedBall[j+1];					sysRedBall[j+1] = temp;					//sysRedBall[j] = sysRedBall[j] +sysRedBall[j+1];					//sysRedBall[j+1] = sysRedBall[j]-sysRedBall[j+1];					//sysRedBall[j] = sysRedBall[j] -sysRedBall[j+1];				}			}		}				//打印本期中獎號碼		System.out.println("本期中獎號碼為：/t藍球");		for(int i=0;i<sysRedBall.length;i++){			System.out.print(sysRedBall[i]+"    ");		}		System.out.println("/t"+sysBlueBall);				//判斷是否中獎		System.out.println("******************************");		if(blueCount==0 && redCount<=3 ){			System.out.println("/t      沒中獎！");		}else if((blueCount==1)&&redCount<3){			System.out.print("/t 六等獎：5塊！");		}else if((redCount==3 &&blueCount==1)||(redCount==4 &&blueCount==0)){			System.out.print("/t 五等獎：10塊！");		}else if((redCount==4 &&blueCount==1)||(redCount==5 &&blueCount==0)){			System.out.print("/t 四等獎：200塊！");		}else if(redCount==5 &&blueCount==1){			System.out.print("/t 三等獎：3000塊！");		}else if(redCount==6 &&blueCount==0){			System.out.print("/t 二等獎：150萬！");		}else if(redCount==6 &&blueCount==1){			System.out.print("/t 一等獎：500萬！");		}else			System.out.print("/t      系統錯誤");		System.out.println("******************************");	}}