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Thread: Printing Array Strings in a Method

  1. #1
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    Question Printing Array Strings in a Method

    Hi there, I am looking for direction on how to fix this code, as you can see I'm trying to print out the String and and enum which is stored in an array. The text however isn't printing

    This is my Main class:

    package test;
     
    import java.util.Scanner;
     
    public class Main {
     
    	public static void main(String[] args)
    	{
    		Movie m = new Movie();
     
    		Movie[] movies = new Movie[4];
     
    		m.chooseMovie();
     
    		m.movies[0]= new Movie("A", Rating.PG);
    		m.movies[1] = new Movie("B", Rating.PG);			
    		m.movies[2] = new Movie("C", Rating.M);			
    		m.movies[3] = new Movie("D", Rating.G);

    This is my movie class:

    package test;
     
    import java.util.Scanner;
     
    public class Movie
    {
    	String title;						
    	Rating rating;
    	int choice;
    	Movie[] movies;
     
    	public Movie(String title, Rating rating)		
    	{
    		this.title = title;
    		this.rating = rating;
    	}
     
     
    	public Movie chooseMovie()
    	{
    		Scanner scanner = new Scanner(System.in);
     
    		System.out.println("Which movie would you like to watch:");
    		System.out.println("1 "+movie[0]);
    		System.out.println("2 "+movie[1]);			
    		System.out.println("3 "+movie[2]);
    		System.out.println("4 "+movie[3]);
     
    		this.choice = scanner.nextInt();
     
    		return Movie.this;
    	}
     
     
    }


    Thanks in advance

  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Printing Array Strings in a Method

    Can you post the program's current output to show what you are talking about?
    Also post an example of what you want the output to look like.

    Where is the enum's definition?
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Printing Array Strings in a Method

    Quote Originally Posted by Norm View Post
    Can you post the program's current output to show what you are talking about?
    Also post an example of what you want the output to look like.

    Where is the enum's definition?
    Currently there is no output, there is an error with this line in the CinemaApp class:
    Movie m = new Movie();

    Ideally the output should look like:

    Which movie would you like to watch? 
    1 A (PG)
    2 B (PG)
    3 C (M)
    4 D (G)

    This is the enum's definition in it's own class:
    package test;
     
    public enum Rating {
     
    	G, PG, M
    }

  4. #4
    Super Moderator Norm's Avatar
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    Default Re: Printing Array Strings in a Method

    there is no output, there is an error
    Please copy the full text of the error message and paste it here. It has important info about the error.
    If you don't understand my answer, don't ignore it, ask a question.

  5. #5
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    Default Re: Printing Array Strings in a Method

    Alright let me thy this:

    In your main class you are making a reference:
    Movie[] movies = new Movie[4];
    But you don't use it.

    Then you call the
    chooseMovie()
    method but you on the 'm' reference. In this method you call the array objects as a String.
    Two point here:
    One: The array is in this state empty because AFTER you calling the chooseMovie method you add several movie objects to this array.
    Two: You want to print the objects as a String. You should make a method (in your Movie object) like 'toString' which will return an actual String.

    So in your choose movie Method it will look like this:
    System.out.println("1 "+movie[0].toString());

  6. The Following User Says Thank You to RvDelft For This Useful Post:

    caiz1 (August 9th, 2017)

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