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jamalgithubjamalgithub
committed
06/08/2018 at 15:56
1 parent 69a6abc commit 4ef1d47

3 files changed

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‎java-core/src/com/collections/Main.java‎

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package com.collections;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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public class Main {
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public static void main(String[] args) {
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Theatre theatre = new Theatre("Olympian", 8, 12);
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if (theatre.reserveSeat("D12")) {
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System.out.println("Please pay for D12");
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} else {
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System.out.println("Seat already reserved");
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}
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if (theatre.reserveSeat("D12")) {
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System.out.println("Please pay for D12");
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} else {
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System.out.println("Seat already reserved");
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}
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if(theatre.reserveSeat("B13")) {
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System.out.println("Please pay for B13");
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} else {
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System.out.println("Seat already reserved");
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}
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List<Theatre.Seat> reverseSeats = new ArrayList<>(theatre.getSeats());
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Collections.reverse(reverseSeats);
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printList(reverseSeats);
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List<Theatre.Seat> priceSeats = new ArrayList<>(theatre.getSeats());
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priceSeats.add(theatre.new Seat("B00", 13.00));
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priceSeats.add(theatre.new Seat("A00", 13.00));
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Collections.sort(priceSeats, Theatre.PRICE_ORDER);
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printList(priceSeats);
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// Collections.shuffle(seatCopy);
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// System.out.println("Printing seatCopy");
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// printList(seatCopy);
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// System.out.println("Printing theatre.seat");
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// printList(theatre.seats);
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//
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// Theatre.Seat minSeat = Collections.min(seatCopy);
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// Theatre.Seat maxSeat = Collections.max(seatCopy);
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// System.out.println("Min seat number is " + minSeat.getSeatNumber());
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// System.out.println("Max seat number is " + maxSeat.getSeatNumber());
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//
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// sortList(seatCopy);
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// System.out.println("Printing sorted seatCopy");
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// printList(seatCopy);
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//
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// List<Theatre.Seat> newList = new ArrayList<>(theatre.seats.size());
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// Collections.copy(newList, theatre.seats);
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}
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public static void printList(List<Theatre.Seat> list) {
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for (Theatre.Seat seat : list) {
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System.out.print(" " + seat.getSeatNumber() + " $" + seat.getPrice());
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}
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System.out.println();
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System.out.println("======================================================================");
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}
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}

‎java-core/src/com/collections/Test.java‎

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package com.collections;
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public class Test {
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public static void main(String[] args) {
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System.out.println(String.format("%03d", 5));
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}
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}

‎java-core/src/com/collections/Theatre.java‎

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package com.collections;
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import java.util.*;
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/**
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* Created by dev on 2/12/2015.
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*/
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public class Theatre {
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private final String theatreName;
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private List<Seat> seats = new ArrayList<>();
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static final Comparator<Seat> PRICE_ORDER;
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static {
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PRICE_ORDER = new Comparator<Seat>() {
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@Override
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public int compare(Seat seat1, Seat seat2) {
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if (seat1.getPrice() < seat2.getPrice()) {
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return -1;
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} else if (seat1.getPrice() > seat2.getPrice()) {
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return 1;
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} else {
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return 0;
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}
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}
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};
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}
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public Theatre(String theatreName, int numRows, int seatsPerRow) {
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this.theatreName = theatreName;
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int lastRow = 'A' + (numRows - 1);
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for (char row = 'A'; row <= lastRow; row++) {
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for (int seatNum = 1; seatNum <= seatsPerRow; seatNum++) {
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double price = 12.00;
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if((row < 'D') && (seatNum >=4 && seatNum <=9)) {
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price = 14.00;
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} else if((row > 'F') || (seatNum < 4 || seatNum > 9)) {
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price = 7.00;
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}
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Seat seat = new Seat(row + String.format("%02d", seatNum), price);
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seats.add(seat);
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}
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}
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}
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public String getTheatreName() {
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return theatreName;
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}
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public boolean reserveSeat(String seatNumber) {
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Seat requestedSeat = new Seat(seatNumber, 0);
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int foundSeat = Collections.binarySearch(seats, requestedSeat, null);
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if (foundSeat >= 0) {
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return seats.get(foundSeat).reserve();
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} else {
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System.out.println("There is no seat " + seatNumber);
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return false;
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}
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}
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public List<Seat> getSeats() {
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return seats;
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}
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public class Seat implements Comparable<Seat> {
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private final String seatNumber;
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private double price;
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private boolean reserved = false;
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public Seat(String seatNumber, double price) {
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this.seatNumber = seatNumber;
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this.price = price;
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}
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@Override
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public int compareTo(Seat seat) {
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return this.seatNumber.compareToIgnoreCase(seat.getSeatNumber());
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}
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public boolean reserve() {
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if (!this.reserved) {
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this.reserved = true;
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System.out.println("Seat " + seatNumber + " reserved");
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return true;
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} else {
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return false;
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}
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}
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public boolean cancel() {
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if (this.reserved) {
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this.reserved = false;
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System.out.println("Reservation of seat " + seatNumber + " cancelled");
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return true;
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} else {
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return false;
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}
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}
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public String getSeatNumber() {
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return seatNumber;
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}
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public double getPrice() {
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return price;
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}
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}
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}

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