Program Explanation Program: Filename: TriviaGame.java //Import the Java packages import java.util.Scanner; import java.io.*; //Define the class public class TriviaGame { //Main() method public static void main(String args[]) throws IOException { //Declare and initialize the constant variables final int NUM_QUESTIONS = 10; final int NUM_PLAYERS = 2; //Declare and initialize the Variables int playerTurn = 1; int questionNum; int playerAnswer; int player1points = 0; int player2points = 0; // Create an array of Player objects Player[] players = new Player[NUM_PLAYERS]; for (int i = 0; i < NUM_PLAYERS; i++) { players[i] = new Player(i + 1); } // Create an array to hold Question objects. Question[] questions = new Question[NUM_QUESTIONS]; //Initialize the array with data. initQuestions (questions); /*Loop executes until "i" is less than "NUM_QUESTIONS". */ for (int i = 0; i < NUM_QUESTIONS; i++) { /*Call displayQuestion() to display the question. */ displayQuestion (questions[i], playerTurn); /*Call chooseAnswer() to get the player's answer. */ players[playerTurn - 1].chooseAnswer(); //Check the condition if (players[playerTurn - 1].getCurrentAnswer() == questions[i].getCorrectAnswerNumber()) { /*Display the player's chose the correct answer. */ System. out .println("Correct!\n"); //Call the incrementPoints() method players[playerTurn - 1].incrementPoints(); } //Otherwise, execute the else part else { /*Display the player chose the wrong answer. */ System. out .println("Sorry, that is incorrect. The correct " + "answer is " + questions[i].getCorrectAnswerNumber() + ".\n"); } //Check the condition for next iteration. if (playerTurn == 1) //Set the player2 playerTurn = 2; //Otherwise, set the player1 else playerTurn = 1; } /*Call sowGameResults() method to show the game results. */ showGameResults (players); } //Define initQuestions() method public static void initQuestions(Question qArray[]) throws IOException { //Create an object to open the text file. File file = new File("trivia.txt"); Scanner inputFile = new Scanner(file); /*Loop executes until the "i" is less than length of array. */ for (int i = 0; i < qArray.length; i++) { /*Create a Question object for Question class. */ qArray[i] = new Question(); /*Call setQuestion() to get the question text from text file. */ qArray[i].setQuestion(inputFile.nextLine()); //Loop executes until "j" is less than "4" for (int j = 1; j <= 4; j++) { /*Call setPossibleAnswer() to get the possible answers. */ qArray[i].setPossibleAnswer(inputFile.nextLine(), j); } /*Call setCorrectAnswerNumber() method to get the correct answer. */ qArray[i].setCorrectAnswerNumber(Integer. parseInt (inputFile.nextLine())); } } //Define displayQuestion() method public static void displayQuestion(Question q, int playerNum) { //Print the player number. System. out .println("Question for player #" + playerNum); System. out .println("------------------------"); //Print the question to player System. out .println(q.getQuestionText()); for (int i = 1; i <= 4; i++) { System. out .println(i + ". " + q.getPossibleAnswer(i)); } } //Define showGameResults() method public static void showGameResults(Player[] players) { // Print the status to players...

Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)

4th Edition

ISBN: 9780134787961

Author: Tony Gaddis, Godfrey Muganda

Publisher: PEARSON

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Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)

Chapter 7.1, Problem 7.1CP Chapter 7.1, Problem 7.2CP Chapter 7.1, Problem 7.3CP Chapter 7.1, Problem 7.4CP Chapter 7.1, Problem 7.5CP Chapter 7.1, Problem 7.6CP Chapter 7.1, Problem 7.7CP Chapter 7.1, Problem 7.8CP Chapter 7.2, Problem 7.9CP Chapter 7.2, Problem 7.10CP

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