To determine the number of actors in the data set Program plan: In the file “ Movie.java ”, import necessary package, and create a class “ Movie”, Declare the necessary variables. Define the constructor to initialize the variables. Define the method “getActors()” to return the actors. Define the method “getDirectors()” to return the directors. Define the method “getProducers()” to return the producers . Define the method “getTitle()” to return title. Define the method “getYear()” to return year. Define the method “toString()” to return the formatted string. In the file “ Movies.java ”, import necessary packages, and create a class “ Movies”, Define the method “readMovies()” to read movies from a file. Define the method “getString()” to return the string. Define the method “getList()” to get the list. In the file “ MovieUtils.java ”, import necessary packages, and create a class “ MovieUtils” that contains methods for generating a set of actors, adding a list of actors to the set, and for combining two sets of actors, Define a method “actorSet()” to create actor set as a tree. Define a method “addActors()” to add all actors to the set. Define a method “mergeActors()” to merge two sets. In the file “ MoviesTester.java ”, import necessary packages, and create a class “ MoviesTester”, Define “main()” method. Create a movies list. Write the methods used by the collector. Print the console output.

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Chapter 19, Problem 10PP

Program Plan Intro

To determine the number of actors in the data set

Program plan:

In the file “Movie.java”, import necessary package, and create a class “Movie”,

Declare the necessary variables.

Define the constructor to initialize the variables.

Define the method “getActors()” to return the actors.

Define the method “getDirectors()” to return the directors.

Define the method “getProducers()” to return the producers .

Define the method “getTitle()” to return title.

Define the method “getYear()” to return year.

Define the method “toString()” to return the formatted string.

In the file “Movies.java”, import necessary packages, and create a class “Movies”,

Define the method “readMovies()” to read movies from a file.

Define the method “getString()” to return the string.

Define the method “getList()” to get the list.

In the file “MovieUtils.java”, import necessary packages, and create a class “MovieUtils” that contains methods for generating a set of actors, adding a list of actors to the set, and for combining two sets of actors,

Define a method “actorSet()” to create actor set as a tree.

Define a method “addActors()” to add all actors to the set.

Define a method “mergeActors()” to merge two sets.

In the file “MoviesTester.java”, import necessary packages, and create a class “MoviesTester”,

Define “main()” method.

Create a movies list.

Write the methods used by the collector.

Print the console output.

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