1

2 /* This class encapsulates a list of movies in a user's collection. 3 * The list is implemented as an array of type Movie. 4 * Each movie is represented by an instance of the Movie class. 5 */ 6 public class MovieList { 7 //Class member variable declarations: 8 9 // TODO: Put your declarations here. 10 11 12 /* Constructor that initializes the member variables. The array is 13 * created using the initial length passed in to the constructor. 14 * The initialLength is assigned to the initial length passed in to the constructor. 15 * The numMovies is initialized to 0. 16 * Any other member variables are initialized as well. 17 */ 18 public MovieList(int initialLen){ 19 // TODO: Implement this method. 20 } 21 22 /* Add the newMovie passed in to the next available cell in the movieList. 23 * Available (empty) cells have the value NULL. The numMovies variable may be used 24 * to keep track of the index of the next available cell. 25 * For example, if the list contained: item1, item2, NULL, NULL, 26 * the next available cell is at index 2. 27 */ 28 public void addMovie(Movie newMovie){ 29 // TODO: Implement this method. 30 } 31 32 /* This method returns an array that contains only Movie objects whose 33 * title matches the targetTitle passed in. 34 * The array returned does not contain any NULL values. 35 * This method returns an array of length 0 if there are no matches. 36 * This method may call the getOnlyItems method. 37 */ 38 public Movie[] findMoviesByTitle(String targetTitle){ 39 // TODO: Implement this method. 40 return null; 41 } 42 43 /* This method returns an array that contains only Movie objects whose 44 * genre matches the targetGenre passed in. 45 * The array returned does not contain any NULL values. 46 * This method returns an array of length 0 if there are no matches. 47 * This method may call the getOnlyItems method. 48 */ 49 public Movie[] findMoviesByGenre(String targetGenre){ 50 // TODO: Implement this method. 51 return null; 52 } 53 54 /* This method returns an array of all of the Movie objects that are 55 * stored in the movieList. The array returned does not contain any NULL 56 * values. This method returns an array of length 0 if the movieList is empty. 57 * This method may call the getOnlyItems method 58 */ 59 public Movie[] getMovieListAsArray(){ 60 // TODO: Implement this method. 61 return null; 62 } 63 64 /* Returns the number of Movies stored in the movieList. 65 */ 66 public int getNumMovies(){ 67 // TODO: Implement this method. 68 return -500; 69 } 70 71 /* Returns true if the movieList contains no Movies, false otherwise. 72 */ 73 public boolean isEmpty(){ 74 // TODO: Implement this method. 75 return false; 76 } 77 78 /****** Private, "helper" method section ******/ 79 80 /* Creates a new array that is double the size of the array passed in, copies the data 81 * from that array to the new array, and returns the new array. 82 * Note that the new array will contain the Movies from the previous array followed by NULL values. 83 */ 84 private Movie[] expandList(Movie[] inputList){ 85 // TODO: Implement this method. 86 return null; 87 } 88 89 /* A full Movie list is an array where all cells contain a Movie. That 90 * means there is no cell that contains NULL. 91 * This method returns true if all cells in the array contain a Movie 92 * object, false otherwise. 93 */ 94 private boolean isFull(){ 95 // TODO: Implement this method. 96 return true; 97 } 98 99 /* 100 * This method takes an array of Movies as an input as well as 101 * the number of Movies on that array. The inputArray may contain 102 * some NULL values. 103 * This method returns an array that contains only the Movies in 104 * the input array and no NULL values. 105 * It returns an array of length 0 if there are no Movies in the input array. 106 */ 107 private Movie[] getOnlyItems(Movie[] inputArray, int size){ 108 // TODO: Implement this method. 109 return null; 110 } 111 }