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Thread: Array of Movies

  1. #1
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    Default Array of Movies

    I cannot work out why both entries are the same: Also can I enter the information by using:

    movie(title, released, certificate, description, rating, genre)

    package test;
     
    public class TEST {
     
        public String movie_title="NA";
        public int movie_released=0000;
        public String movie_certificate="NA";
        public String movie_description="BLANK";
        public double movie_rating=0.0;
        public String movie_genre="MOVIE";  
     
        public static void main(String[] args) {
     
            int position = 0;
            TEST movie = new TEST();
            TEST MM[] = new TEST[2];
            movie.movie_title="TEST";
            movie.movie_released=1992;
            movie.movie_certificate="PG";
            movie.movie_description="Two people fall in love.";
            movie.movie_rating=10.0;
            movie.movie_genre="Chick Flick";
     
            MM[position]=movie;
            position++;
     
            movie.movie_title="Sneak and Stab";
            movie.movie_released=2001;
            movie.movie_certificate="18";
            movie.movie_description="Two people fall in hate.";
            movie.movie_rating=0.0;
            movie.movie_genre="Gore Flick";
     
            MM[position]=movie;
            //position++;
     
            int length = position;
     
            for(int Counter=0;Counter<=length;Counter++){
                System.out.println("\n\tMovie Record: " +Counter);
                System.out.println(MM[Counter].movie_title);
                System.out.println(MM[Counter].movie_released);
                System.out.println(MM[Counter].movie_certificate);
                System.out.println(MM[Counter].movie_description);
                System.out.println(MM[Counter].movie_rating);
                System.out.println(MM[Counter].movie_genre);
            }
     
        }
    }

    The output looks like this:

    	Movie Record: 0
    Sneak and Stab
    2001
    18
    Two people fall in hate.
    0.0
    Gore Flick
     
    	Movie Record: 1
    Sneak and Stab
    2001
    18
    Two people fall in hate.
    0.0
    Gore Flick


  2. #2
    Crazy Cat Lady KevinWorkman's Avatar
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    Default Re: Array of Movies

    Your movie variable is a single instance, since you only ever create a new TEST once. You're simply changing the values of that one instance and storing that one instance in two separate places in your array.
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  3. #3
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    Default Re: Array of Movies

    Just for a good practice in Java: when creating your arrays, it is good to declare it with the brackets coming before the variable name. E.g int [] movies = {, , , , , };

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