標籤:private super return public 酒店管理
//房間類public class Room {private String no;//房間號private String type;//房間類型private boolean isuse;//房間是否佔用@Overridepublic String toString() {return "Room [no=" + no + ", type=" + type + ", isuse=" + (isuse?"佔用":"空閑") + "]";}public Room(String no, String type, boolean isuse) {super();this.no = no;this.type = type;this.isuse = isuse;}public String getNo() {return no;}public void setNo(String no) {this.no = no;}public String getType() {return type;}public void setType(String type) {this.type = type;}public boolean isIsuse() {return isuse;}public void setIsuse(boolean isuse) {this.isuse = isuse;}}酒店類public class Hotel {Room[][] rooms;//1.1.2層普通間101-110 201-210//3.3.4單人間//5.標準間 Hotel(){ rooms = new Room[5][10]; for(int i=0;i<rooms.length;i++) for(int j=0;j<rooms[i].length;j++){ if(i==0 ||i==1){ rooms[i][j]=new Room(((i+1)*100+j+1)+"","普通間",false); } if(i==2||i ==3){ rooms[i][j]=new Room(((i+1)*100+j+1)+"","單人間",false); } else{ rooms[i][j]=new Room(((i+1)*100+j+1)+"","標準間",false); } } } //列印房間資訊 public void print(){ for(int i=0;i<rooms.length;i++){ for(int j=0;j<rooms[i].length;j++){ System.out.print(rooms[i][j] + " "); } System.out.println(); } } //提供一個預定房間的方法 public void order(String no){ for(int i=0;i<rooms.length;i++){ for(int j=0;j<rooms[i].length;j++){ if(rooms[i][j].getNo().equals(no)){ rooms[i][j].setIsuse(true); return ; } } } } //退房 public void checkout(String no){ for(int i=0;i<rooms.length;i++){ for(int j=0;j<rooms[i].length;j++){ if(rooms[i][j].getNo().equals(no)){ rooms[i][j].setIsuse(false); return ; } } } }}測試類別:public class Test {public static void main(String[] args){Hotel ht = new Hotel();ht.print();//訂房ht.order("301");ht.print();//退房ht.checkout("301");ht.print();}}
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java中用數組類比的酒店管理系統