added trivia game

src/main/java/com/levelup/java/exercises/beginner/TrivaGame.java

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+package com.levelup.java.exercises.beginner;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.OptionalInt;
+import java.util.Random;
+import java.util.Scanner;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import com.google.common.base.Splitter;
+
+/**
+ * This java example will demonstrate a solution to the triva game.
+ * 
+ * @author Justin Musgrove
+ * @see <a href='http://www.leveluplunch.com/java/exercises/trivia-game/'>Triva game</a>
+ */
+public class TrivaGame {
+
+	List<Question> questions;
+
+	TrivaGame() throws IOException {
+		questions = readQuestions();
+	}
+
+	/**
+	 * This class represents question object
+	 */
+	class Question {
+
+		private String question;
+		private List<String> possibleAnswers;
+		private int answer;
+
+		@Override
+		public String toString() {
+			return "Question [question=" + question + ", possibleAnswers="
+					+ possibleAnswers + ", answer=" + answer + "]";
+		}
+	}
+
+	/**
+	 * This class represents player object
+	 */
+	class Player {
+
+		int playerNumber;
+		int points;
+
+	}
+
+	/**
+	 * Function will accept a string based on the following format and transform
+	 * it into a Question object
+	 */
+	Function<String, Question> mapLineToQuestion = new Function<String, Question>() {
+
+		public Question apply(String line) {
+
+			Question question = new Question();
+
+			List<String> questionPieces = Splitter.on("|").trimResults()
+					.omitEmptyStrings().splitToList(line);
+
+			question.question = questionPieces.get(0);
+			question.possibleAnswers = Splitter.on(",").trimResults()
+					.omitEmptyStrings().splitToList(questionPieces.get(1));
+			question.answer = Integer.parseInt(questionPieces.get(2));
+
+			return question;
+		}
+	};
+
+	/**
+	 * Method will read each line of a file then mapping it to a question
+	 * object.
+	 * 
+	 * @return
+	 * @throws IOException
+	 */
+	public List<Question> readQuestions() throws IOException {
+
+		List<Question> questions = Files
+				.lines(Paths
+						.get("src/main/resources/com/levelup/java/exercises/beginner/trivia.txt"))
+				.map(mapLineToQuestion).collect(Collectors.toList());
+
+		return questions;
+	}
+
+	public List<Question> getQuestions() {
+		return questions;
+	}
+
+	/**
+	 * Method should generate random number based total number of questions
+	 * 
+	 * @param numberOfQuestions
+	 * @return
+	 */
+	public static int getRandomQuestionNumber(int numberOfQuestions) {
+
+		Random random = new Random();
+		OptionalInt questionNumber = random.ints(1, numberOfQuestions)
+				.findFirst();
+
+		return questionNumber.getAsInt();
+	}
+
+	/**
+	 * Method should display a question passed
+	 * 
+	 * @param q
+	 * @param playerNum
+	 */
+	public static void displayQuestion(Question q, int playerNum) {
+
+		// Display the player number.
+		System.out.println("Question for player #" + playerNum);
+		System.out.println("------------------------");
+
+		// Display the question.
+		System.out.println(q.question);
+		for (int i = 0; i < q.possibleAnswers.size(); i++) {
+			System.out.println((i + 1) + ". " + q.possibleAnswers.get(i));
+		}
+	}
+
+	/**
+	 * Method will output summary stats and declare a winner
+	 * 
+	 * @param players
+	 */
+	public static void showGameResults(Player[] players) {
+
+		// Display the stats.
+		System.out.println("Game Over!");
+		System.out.println("---------------------");
+		System.out.println("Player 1's points: " + players[0].points);
+		System.out.println("Player 2's points: " + players[1].points);
+
+		// Declare the winner.
+		if (players[0].points > players[1].points) {
+			System.out.println("Player 1 wins!");
+		} else if (players[1].points > players[0].points) {
+			System.out.println("Player 2 wins!");
+		} else {
+			System.out.println("It's a TIE!");
+		}
+
+	}
+
+	static int NUMBER_OF_PLAYERS = 2;
+	static int NUMBER_OF_CHANCES = 5;
+
+	public static void main(String args[]) throws IOException {
+
+		// Initiate trivia game
+		TrivaGame trivaGame = new TrivaGame();
+
+		Scanner keyboard = new Scanner(System.in);
+
+		// how many total questions exist
+		int numberOfQuestions = trivaGame.getQuestions().size();
+
+		// create array of players
+		Player[] players = { trivaGame.new Player(), trivaGame.new Player() };
+
+		// Play the game for each player defined and number of chances
+		for (int x = 0; x < players.length; x++) {
+
+			Player currentPlayer = players[x];
+
+			for (int i = 0; i < NUMBER_OF_CHANCES; i++) {
+
+				// get random question
+				Question question = trivaGame.getQuestions().get(
+						getRandomQuestionNumber(numberOfQuestions));
+
+				displayQuestion(question, x + 1);
+
+				// ask user to enter question
+				System.out.print("Enter the number of the correct answer: ");
+				int currentAnswer = keyboard.nextInt();
+
+				// answer logic
+				if (currentAnswer == question.answer) {
+					// The player's chosen answer is correct.
+					System.out.println("Correct!\n");
+					currentPlayer.points += 1;
+				} else {
+
+					// The player chose the wrong answer.
+					System.out.println("Sorry, that is incorrect. The correct "
+							+ "answer is " + question.answer + ".\n");
+				}
+
+			}
+		}
+
+		// close keyboard
+		keyboard.close();
+
+		// display game results
+		showGameResults(players);
+	}
+
+}

src/main/resources/com/levelup/java/exercises/beginner/trivia.txt

@@ -0,0 +1,10 @@
+Which singer joined Mel Gibson in the movie Mad Max: Beyond The Thunderdome?|TINA TURNER,Hugh Keays-Byrne, Joanne Samuel, Roger Ward|1
+Vodka, Galliano and orange juice are used to make which classic cocktail?|HARVEY WALLBANGER, Old Fashioned, Manhattan, Bloody Mary|1
+Which American state is nearest to the former Soviet Union?|Hawaii, ALASKA, California, Florida|2
+In which year did Foinavon win the Grand National?|1967, 1988, 2900, 1340|1
+At which battle of 1314 did Robert The Bruce defeat the English forces?|BANNOCKBURN, Sally Joe, Gettysburg, Shiloh|1
+Consecrated in 1962, where is the Cathedral Church of St Michael?|COVENTRY, Church of Hope, Sagrada Familia,  Notre Dame de Paris|1
+On TV, who did the character Lurch work for?|ADDAMS FAMILY, Modern Family, 3.5 Men, I ain't your momma|1
+Which children's classic book was written by Anna Sewell?|BLACK BEAUTY, Where the red fern grows,Java control structures, Something to do|1
+How many tentacles does a squid have?|TEN, Eight, Nine, Five, Four|1
+Which reggae singing star died 11th May 1981?|BOB MARLEY, Jessica Dubroff, Eddie Cochran, Aaliyah|1