BookYourShow application can be extended by anyone

BookYourShow.java

import java.util.ArrayList;
import java.util.ListIterator;
class BookYourShow {
	private ArrayList<Show> show;
	private String userName;
	private String userMobileNumber;
	private String movieName;
	private String movieShowDate;
	private String movieShowTime;
	private int numberOfSeats;
	BookYourShow() {
		show = new ArrayList<Show>();
	}
	public void addAShow(Show s) {
		show.add(s);
	}
	public void removeAShow(String movieName) {
		ListIterator<Show> iterator = show.listIterator();
		while(iterator.hasNext()) {
			Show ss = iterator.next();
			if (movieName==ss.getMovieName()) {
			show.remove(ss);
			break;		
		    }
		}
	}
	public void getAShow(String movieName) {
		ListIterator<Show> iterator2 = show.listIterator();
		while(iterator2.hasNext()) {
			Show ss2 = iterator2.next();
			if (movieName==ss2.getMovieName()) {
				System.out.println(ss2);		
		    }
		}
	}
	public void bookAShow(Patron patron,
		String movieName, String date,
		String time, int noOfSeats) {
		ListIterator<Show> iterator1 = show.listIterator();
		while(iterator1.hasNext()) {
			Show ss1 = iterator1.next();
			if (movieName.equals(ss1.getMovieName()) && date.equals(ss1.getMovieShowDate())
				&& time.equals(ss1.getMovieShowTime()) && ss1.getNumberOfSeats() >= noOfSeats) {
				this.userName = patron.getUserName();
				this.userMobileNumber = patron.getUserMobileNumber();
				this.movieName = movieName;
				this.movieShowDate = date;
				this.movieShowTime = time;
				this.numberOfSeats = noOfSeats;
				ss1.updateSeats(-noOfSeats);
			}
		}
	}
	public String printTicket() {
		String printTickets = "Name: " + this.userName + "\n";
		printTickets = printTickets + "Mobile number: " + this.userMobileNumber + "\n";
		printTickets = printTickets + "Movie name: " + this.movieName + "\n";
		printTickets = printTickets + "Date: " +this.movieShowDate + "\n";
		printTickets = printTickets + "Time: " +this.movieShowTime + "\n";
		printTickets = printTickets + "Number of seats: " +this.numberOfSeats;
		return printTickets;
	}
	
}

Menu.java

class Menu {
public static void main(String[] args) {
	Show show[] = new Show[10];
		show[0] = new Show("Srimanthudu",
			"17-08-2015", "11:00 AM", 50);
		show[1] = new Show("MI5",
			"17-08-2015", "02:30 PM", 50);
		show[2] = new Show("Upendra2",
			"18-08-2015", "11:00 AM", 50);
		show[3] = new Show("Srimanthudu",
			"19-08-2015", "11:00 AM", 50);
	BookYourShow bys = new BookYourShow();
	bys.addAShow(show[0]);
	bys.addAShow(show[1]);
	bys.addAShow(show[2]);
	bys.addAShow(show[3]);
	bys.removeAShow("Upendra2");
	bys.getAShow("Srimanthudu");
	Patron p = new Patron("Raj", "9493395040");
	bys.bookAShow(p, "Srimanthudu", "17-08-2015", "11:00 AM", 6);
	System.out.println(bys.printTicket());
}
}

Patron.java

class Patron {
	private String userName;
	private String mobileNumber;
	Patron(String userName,
		String mobileNumber) {
		this.userName = userName;
		this.mobileNumber = mobileNumber;
	}

	public String toString() {
		String s = userName + "\n";
		s = s + mobileNumber;
		return s;
	}
	public String getUserName() {
		return this.userName;
	}
	public String getUserMobileNumber() {
		return this.mobileNumber;
	}
}

Show.java

class Show {
	String nameOfMovie;
	String movieShowDate;
	String movieShowTime;
	int seatNumber;
	Show(String nameOfMovie,
		String movieShowDate,
		String movieShowTime,
		int seatNumber) {
		this.nameOfMovie = nameOfMovie;
		this.movieShowDate = movieShowDate;
		this.movieShowTime = movieShowTime;
		this.seatNumber = seatNumber;	
	}
	public String toString() {
		String s = nameOfMovie + "\n";
		s = s + movieShowDate + "\n";
		s = s + movieShowTime + "\n";
		s = s + seatNumber;
		return s;
	}
	public String getMovieName() {
		return this.nameOfMovie;
	}
	public String getMovieShowDate() {
		return this.movieShowDate;
	}
	public String getMovieShowTime() {
		return this.movieShowTime;
	}
	public int getNumberOfSeats() {
		return this.seatNumber;
	}
	public void updateSeats(int noOfSeats) {
		seatNumber = seatNumber + noOfSeats;
	}
}