Create airplanereservation.java

airplanereservation.java

@@ -0,0 +1,94 @@
+import java.util.Scanner;
+
+public class AirlineReservationSystem{
+    boolean[] arrSeats = new boolean[10];
+    Scanner sc = new Scanner(System.in);
+
+    // SETTERS
+    // assigns first empty seat in relevant section
+    public boolean assignSeat(String section){
+        if(section == "first"){
+            if(getFreeSeats(section) > 0){
+                for(int i=0; i<5; i++){
+                    if(arrSeats[i] == false){
+                        arrSeats[i] = true;
+                        printBoardingPass(i);
+                        return true;
+                    }
+                }
+            }
+        }else if(section == "economy"){
+            if(getFreeSeats(section) > 0){
+                for(int i=5; i<arrSeats.length; i++){
+                    if(arrSeats[i] == false){
+                        arrSeats[i] = true;
+                        printBoardingPass(i);
+                        return true;
+                    }
+                }
+
+            }
+        }
+        // seats in chosen section full
+        // check if ok to assign to other section
+        System.out.printf("All seats in section \"%s\" are booked.\n", section);
+        System.out.printf("Would you like to be moved to section \"%s\" (y/n)? ",
+                (section == "first") ? "economy" : "first");
+
+        if(sc.next().charAt(0) == 'y')
+            assignSeat((section == "first") ? "economy" : "first");
+        else
+            System.out.println("\nNext flight leaves in 3 hours.\n");
+
+        return false;
+    }
+    // GETTERS
+    // returns number of free seats in each section
+    private int getFreeSeats(String section){
+        int total = 0;
+        if(section == "first"){
+            // first class 1-5 (array 0-4)
+            for(int i=0; i<5; i++){
+                if(arrSeats[i] == false)
+                    total += 1;
+            }
+        }else if(section == "economy"){
+            // economy 6-10 (array 5-9)
+            for(int i=5; i<arrSeats.length; i++){
+                if(arrSeats[i] == false)
+                    total += 1;
+            }
+        }
+        return total;
+    }
+    // see whether or not all seats are booked
+    public boolean seatsAvailable(){
+        // if empty seat found return true
+        for(boolean seat : arrSeats)
+            if(seat == false)
+                return true;
+
+        // if none found plane is full
+        return false;
+    }
+
+    public void printGreeting(){
+        System.out.println("\nWelcome to Crap Airlines booking system.\n");
+    }
+    // print the menu with remaining number of seats for each section
+    public void printMenu(){
+        System.out.printf("1. Economy class %s\n",
+                (getFreeSeats("economy") > 0) ?
+                "(" + Integer.toString(getFreeSeats("economy")) + ")" : "(full)");
+        System.out.printf("2. First class %s\n",
+                (getFreeSeats("first") > 0 ?
+                 "(" + Integer.toString(getFreeSeats("first")) + ")" : "(full)"));
+        System.out.print("> ");
+    }
+    // prints the boarding pass
+    private void printBoardingPass(int seat){
+        System.out.println("\nBoarding pass for Crap Airlines.");
+        System.out.printf("\nSECTION: %s\nSEAT NUMBER: %d\n\n\n",
+                (seat < 5) ? "first" : "economy", seat + 1);
+    }
+}