Java程序----day1019

七彩选号程序

 1 package com.lovo;
 2
 3 import java.util.Scanner;
 4 /**
 5  * 七星彩随机选号程序
 6  */
 7 public class Test01 {
 8     public static void main(String[] args) {
 9         Scanner sc=new Scanner(System.in);
10         System.out.println("请输入随机注数：");
11         int n=sc.nextInt();
12         for(int i=1;i<=n;i++){
13             for(int j=1;j<=7;j++){
14                 System.out.print((int)(Math.random()*10)+" ");
15             }
16             System.out.println();
17         }
18         sc.close();
19     }
20
21 }

百钱百鸡问题

 1 package com.lovo;
 2 /**
 3  * 百千白鸡问题
 4  *
 5  */
 6 public class test12 {
 7     public static void main(String[] args) {
 8         for (int i = 0; i <= 20; i++) {
 9             for (int j = 0; j <= 33; j++) {
10                 int k=100-i-j;
11                     if ((5 * i + 3 * j + k / 3 == 100) && k%3==0) {
12                         System.out.printf("公鸡%d只\n母鸡%d只\n小鸡%d只\n\n", i, j, k);
13                     }
14                 }
15             }
16         }
17     }

craps赌博游戏

package com.lovo;

public class Test03 {
	/*craps赌博游戏
	 *
	 */
	public static int roll(){
		return (int)(Math.random()*6+1);
	}

	public static void main(String[] args) {
		int firstpoit,currentpoint;
		firstpoit=currentpoint=roll()+roll();
		System.out.println("玩家摇出了"+currentpoint+"点");
		boolean goon=false;
		switch (currentpoint){
		case 7:
		case 11:
			System.out.println("玩家胜！！");
			break;
		case 2:
		case 3:
		case 12:
			System.out.println("庄家胜！！！");
			break;
			default:
				goon=true;
		}
		while(goon){
			currentpoint=roll()+roll();
			System.out.println("玩家摇出了"+currentpoint+"点");
			if(currentpoint==7){
				System.out.println("庄家胜！！！");
				goon=false;
			}
			else if(currentpoint==firstpoit){
				System.out.println("玩家胜！！！");
			goon=false;
		}

	}

}
}