package homework;import java.util.Scanner;
/*** 2018.12.26* @author 宇* 2018-12-26*/
public class Keep {public static void main(String[] args) {Scanner sc = new Scanner(System.in);System.out.println("请输入星期：");int days = sc.nextInt();switch (days) {case 1:case 3:case 5:System.out.println("学习");break;case 2:case 4:case 6:System.out.println("复习");break;default:System.out.println("休息");break;}}}

package homework;import java.util.Scanner;
/*** 2018.12.26* @author 宇* 2018-12-26*/
public class Booking {public static void main(String[] args) {Scanner sc = new Scanner(System.in);System.out.println("请输入你要出行的月份：1~12");                 int month=sc.nextInt();                                    //输入月份System.out.println("请问你选择头等舱还是经济舱？头等舱输入1，经济舱输入2"); int type=sc.nextInt();                                     //输入舱类型double price; int originalPrice=5000;if(month<=10&&month>=4){                                   //判断是否为旺季if(type==1){                                       //在判断选择的类型price=(originalPrice*0.9);}else{price=(originalPrice*0.6);}}else {if(type==1){price=(originalPrice*0.5);}else{price=(originalPrice*0.4);}}System.out.println("您的机票价格为："+price);}
}

package homework;import java.util.Scanner;
/*** 2018.12.26* @author 宇* 2018-12-26*/
public class Game {public static void main(String[] args) {Scanner sc = new Scanner(System.in);System.out.println("欢迎进入欢乐时光是否开始游戏y/n");String play=sc.next();                         //输入开始指令if(!play.equals("n")){                       //判断开始指令是否正确System.out.println("开始游戏!输入您要存入的本金"); int money=sc.nextInt();                  //输入要存入的本金System.out.println("本金为："+money);while(money>0){                          //有本金进入循环int a = (int)(Math.random()*6+1);    int b = (int)(Math.random()*6+1);int c = (int)(Math.random()*6+1);    //三个0-6的随机数String result=(a+b+c)<=10?"小":"大";    //判断随机数之和System.out.println("下注金额：");int pay = sc.nextInt();              //输入下注金额System.out.println("要压大或者小");String guess=sc.next();              //输入猜的结果System.out.println("买定离手"+a+" "+b+" "+c+"--"+result);if(guess.equals(result)){            //判断猜的结果和随机数之和是否相等System.out.println("恭喜你压中了！！");money+=pay;System.out.println("剩余金额："+money);}else{System.out.println("很遗憾没能压中！继续加油！！");money-=pay;System.out.println("剩余金额："+money);}}}else {System.out.println("滚");}}
}