学步园

Hotel .java

package day06.homework;</p> <p>public class Hotel {<br /> private String[][] room = new String[10][3];<br /> public Hotel(){<br /> init();<br /> }<br /> private void init() {<br /> for (int i = 0; i < this.room.length; i++) {<br /> room[i][0] = "10"+i;//初始化房间号<br /> room[i][1] = "null";//初始化用户<br /> room[i][2] = "out";//初始化房价的状态<br /> }<br /> }<br /> public void search(){<br /> for (int i = 0; i < room.length; i++) {<br /> System.out.println(room[i][0]+" "+room[i][1]+" "+room[i][2]);<br /> }<br /> }<br /> public void checkIn(String num,String customerName){<br /> boolean isNot = true;<br /> for (int i = 0; i < room.length; i++) {<br /> if(num.equals(room[i][0])){//num==room[i][0]<br /> if("out".equals(room[i][2])){<br /> room[i][1]=customerName;<br /> room[i][2]="in";<br /> isNot = false;<br /> System.out.println("操作成功！～～");<br /> // return ;<br /> }else{<br /> System.out.println("该房间已被使用！～～");<br /> }<br /> }<br /> }<br /> if(isNot){<br /> System.out.println("此房间不存在！～～");<br /> }<br /> }<br /> public void checkOut(String num){<br /> boolean isNot = true;<br /> for (int i = 0; i < room.length; i++) {<br /> if(num.equals(room[i][0])){//num==room[i][0]<br /> if("in".equals(room[i][2])){<br /> room[i][2]="out";<br /> isNot = false;<br /> System.out.println("操作成功！～～");<br /> // return ;<br /> }else{<br /> System.out.println("该房间未被使用！～～");<br /> }<br /> }<br /> }<br /> if(isNot){<br /> System.out.println("此房间不存在！～～");<br /> }<br /> }<br /> }</p> <p>

HotelTest .java

package day06.homework.test;</p> <p>import java.util.Scanner;</p> <p>import day06.homework.Hotel;</p> <p>public class HotelTest {<br /> public static void main(String[] args) {<br /> Hotel hotel = new Hotel();<br /> Scanner sc = new Scanner(System.in);</p> <p> while(true){<br /> System.out.println("-=-=-=-房间管理系统=-=-=-=");<br /> System.out.println("1-=-=-=-=-=-=-=查询");<br /> System.out.println("2-=-=-=-=-=-=-=入住");<br /> System.out.println("3-=-=-=-=-=-=-=退房");<br /> System.out.println("4-=-=-=-=-=-=-=退出系统");<br /> System.out.println("请选择。。。。");<br /> String num = sc.nextLine();<br /> switch (Integer.parseInt(num)) {<br /> case 1:<br /> hotel.search();<br /> break;<br /> case 2:<br /> System.out.println("请输入房间号：");<br /> String roomNum = sc.nextLine();<br /> System.out.println("请输入顾客姓名：");<br /> String name = sc.nextLine();<br /> hotel.checkIn(roomNum, name);<br /> break;<br /> case 3:<br /> System.out.println("请输入房间号：");<br /> roomNum = sc.nextLine();<br /> hotel.checkOut(roomNum);<br /> break;<br /> case 4:<br /> return;<br /> }<br /> }</p> <p> }<br /> }<br />

还可以进一步的封装