Need help getting the solution to this java code. Need help where //*** is marked throughout the code. Thanks!

import java.util.Arrays; import java.util.Random; import java.util.Scanner; public class YahtzeeP3 { // Default value when a category has not been used. final static int SCORE_NO_VALUE = -1; // Point values for these categories do not vary. final static int FULL_HOUSE_SCORE = 25; final static int SMALL_STRAIGHT_SCORE = 30; final static int LARGE_STRAIGHT_SCORE = 40; final static int YAHTZEE_SCORE = 50; final static int YAHTZEE_BONUS_SCORE = 100; final static String BORDER_CHAR = "*"; final static int DISPLAY_WIDTH = 70; final static String TURN_LABEL = "Turn #"; final static String ROLLS_LABEL = "Roll #"; final static String INVALID_INPUT_MESSAGE = "*** Invalid input ***"; // There are 14 categories to store with respect to points. final static int NUMBER_OF_CATEGORIES = 14; // There are only 13 categories when determining if the game is complete. // Yahtzee Bonus is excluded in this count because it is not a category // that can be chosen by the player. final static int NUMBER_OF_CATEGORIES_TO_COMPLETE_GAME = 13; // Array to store the score values of each category. static int[] scores = new int[NUMBER_OF_CATEGORIES]; // This is the array index (remember zero-based) for the sixth (upper // bound) category in the upper section of the scorecard. final static int UPPER_CATEGORY_UPPER_BOUND_INDEX = 5; // This is the array index (remember zero-based) for the fourteenth (upper // bound) category in the lower section of the scorecard. final static int LOWER_CATEGORY_UPPER_BOUND_INDEX = 13; // These are the array indices (remember zero-based) for each of the // categories in the scorecard. // Although Yahtzee Bonus is not considered a full-fledged category // because the player cannot directly choose it, the category still // needs a place to store the points in array variable "scores". final static int ACES_INDEX = 0; final static int TWOS_INDEX = 1; final static int THREES_INDEX = 2; final static int FOURS_INDEX = 3; final static int FIVES_INDEX = 4; final static int SIXES_INDEX = 5; final static int THREE_KIND_INDEX = 6; final static int FOUR_KIND_INDEX = 7; final static int FULL_HOUSE_INDEX = 8; final static int SMALL_STRAIGHT_INDEX = 9; final static int LARGE_STRAIGHT_INDEX = 10; final static int YAHTZEE_INDEX = 11; final static int CHANCE_INDEX = 12; final static int YAHTZEE_BONUS_INDEX = 13; // Number of dice needed to form a small straight. final static int NUMBER_IN_SMALL_STRAIGHT = 4; // Number of dice needed to form a large straight. final static int NUMBER_IN_LARGE_STRAIGHT = 5; // The number of dice used in the game. final static int NUMBER_OF_DICE = 5; // Used to store the value of each die face. static int[] dice = new int[NUMBER_OF_DICE]; // The index position in the 2-D array that stores a die face number. // The 2-D array that is referenced by this index is used to track how // many of the five rolled dice have a certain die face number. final static int DIE_NUMBER_INDEX = 0; // The index position in the 2-D array that stores the count of dice that // are showing a certain die face number. // The 2-D array that is referenced by this index is used to track how // many of the five rolled dice have a certain die face number. final static int DIE_COUNT_INDEX = 1; // Used to create the 2-D array mentioned above. If the needs of the // program are such that a higher dimension array is necessary, then // this constant can simply be changed to match the array dimension. final static int DIE_COUNT_COLUMN_SIZE = 2; // To achieve a Full House, the five dice must form a pair and // three-of-a-kind. Therefore, CONSTANTS for the values of // 2 and 3 are declared here in order to be used later to determine // if the dice combination is configured into two groups; each // group having the same value as all members of the group but // having a different value than the another group. // We must distinguish between the Full House configuration and // a Yahtzee. final static int FULL_HOUSE_NUMBER_IN_GROUP_1 = 2; final static int FULL_HOUSE_NUMBER_IN_GROUP_2 = 3; // Declare and initialize the trackers for number of turns and number of // rolls per turn. static int turnCount = 0; static int numberOfRolls = 0; public static void main(String[] args) { // This constant is used to transform the ASCII (character) value that // represents the characters '1' through '5' into the integer // representation 1-5 and then shifting by one for zero-based // indexing into the range 0-4. final int ASCII_DICE_INDEX = 49; // This constant stores the number of different values on the dice faces. // The random number generator produces a number between 0.0 and 1.0 but // not including 1.0 // This constant is used with the random number generator to place the // random numbers into the range of 1-6. final int MAX_NUMBER_ON_DIE = 6; // This constant is the maximum number of rolls of the dice that a player // receives during each turn. // It is used to ensure that the player does not exceed the maximum number // of rolls and in display messaging. final int MAX_NUMBER_ROLLS = 3; // Menu option values that the player can enter. final String EXIT_RESPONSE = "X"; final String SCORE_CARD_RESPONSE = "S"; final String DISPLAY_DICE_RESPONSE = "D"; final String END_TURN_RESPONSE = "0"; final String WELCOME_MESSAGE = "Welcome to YAHTZEE"; final String PRESS_ENTER_MESSAGE = "Press the Enter key to continue: "; final String REROLL_MESSAGE_1 = "Enter: " + SCORE_CARD_RESPONSE + " for ScoreCard; " + DISPLAY_DICE_RESPONSE + " for Dice; " + EXIT_RESPONSE + " to Exit"; final String REROLL_MESSAGE_2 = "Or: A series of numbers to re-roll dice as follows:"; final String REROLL_MESSAGE_3 = "ttYou may re-roll any of the dice by entering the die #s without spaces."; final String REROLL_MESSAGE_4 = "ttFor example, to re-roll dice #1, #3 & #4, enter 134 or enter " + END_TURN_RESPONSE + " for none."; final String REROLL_MESSAGE_5 = "ttYou have %d roll(s) left this turn."; final String REROLL_MESSAGE_6 = "Which of the dice would you like to roll again? "; final String CATEGORY_MESSAGE_1 = "Enter: 1-" + NUMBER_OF_CATEGORIES_TO_COMPLETE_GAME + " for category; " + SCORE_CARD_RESPONSE + " for ScoreCard; " + DISPLAY_DICE_RESPONSE + " for Dice; " + EXIT_RESPONSE + " to Exit"; final String CATEGORY_MESSAGE_2 = "Which category would you like to choose? "; // Initialize the array variable "scores" to CONSTANT SCORE_NO_VALUE. Arrays.fill(scores, SCORE_NO_VALUE); // Variable turnOver is used as the loop control variable for the // "turn" do-loop. // It becomes true under the following conditions: // * The user enters EXIT_RESPONSE to exit the program. // * The user forgoes remaining rolls of the dice and ends the turn. // * The user consumes the maximum number of rolls of the dice. boolean turnOver = false; // Variable gameExit is used as the loop control variable to exit the // program when the user enters EXIT_RESPONSE. boolean gameExit = false; // Variable gameComplete is used as the loop control variable to exit // the program when the user scores all 13 categories on the // scorecard which signifies a complete game. boolean gameComplete = false; // Variable dice2Reroll collects the users response during a turn. // Valid responses are: // * EXIT_RESPONSE to exit the program. // * SCORE_CARD_RESPONSE to redisplay the current scorecard. // * DISPLAY_DICE_RESPONSE to redisplay the current numbers on the faces of the five dice. // * END_TURN_RESPONSE to forgo re-rolling of the dice and end the turn. // * Any String of integers using 1-5 non-repeating. Spaces are stripped out. // * For example: 123 re-rolls dice 1, 2 and 3 String dice2Reroll; // Variable scoreOptionInput collects the user's response as the category to score. // Valid responses are: // * EXIT_RESPONSE to exit the program. // * SCORE_CARD_RESPONSE to redisplay the current scorecard. // * DISPLAY_DICE_RESPONSE to redisplay the current numbers on the faces of the five dice. // * Any integer from 1-13 represented as a String. // * This is the scorecard category the user wishes to choose. // * 1 = Aces // * 2 = Twos // * 3 = Threes // * 4 = Fours // * 5 = Fives // * 6 = Sixes // * 7 = Three of a kind // * 8 = Four of a kind // * 9 = Full House // * 10 = Small Straight // * 11 = Large Straight // * 12 = Yahtzee // * 13 = Chance String scoreOptionInput; // If during the input validation, it is determined that variable // scoreOptionInput contains only numbers, then variable scoreOptionInput // is cast into an int datatype and stored in variable scoreOption. // Variable scoreOption is then tested for validity by being in the range 1-13. int scoreOption = 0; Scanner input = new Scanner(System.in); // Use the current time as a seed for the random number generator. long seed = (new java.util.Date()).getTime(); Random generator = new Random(seed); System.out.println(); System.out.println(WELCOME_MESSAGE); // This is the main do-while loop. // Execution exits this loop when the game is over; having been ended // by the user entering EXIT_RESPONSE to exit or the user completing // the game by scoring all categories. do { System.out.println(); System.out.print(PRESS_ENTER_MESSAGE); // Pause for the enter key. input.nextLine(); // Keep track of the number of turns the player uses. turnCount++; //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace these five lines of code from Project 2 with the code //*** in Steps 2 & 3: //*** die1 = generator.nextInt(MAX_NUMBER_ON_DIE) + 1; //*** die2 = generator.nextInt(MAX_NUMBER_ON_DIE) + 1; //*** die3 = generator.nextInt(MAX_NUMBER_ON_DIE) + 1; //*** die4 = generator.nextInt(MAX_NUMBER_ON_DIE) + 1; //*** die5 = generator.nextInt(MAX_NUMBER_ON_DIE) + 1; //*** //*** 2) In place of the code from Step 1, do for-loop that //*** iterates over every element in the array variable "dice". //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Generate and assign a random integer for every die in //*** the array variable "dice". (i.e. roll each die) //*** //*** NOTE: Array variable "dice" replaces all of the individual //*** die variables (e.g. die1, die2, etc) //*** //*** This can be as few as two lines of code not including //*** any curly braces. //*** //**** //*** Your code goes here. //**** // Set/reset the number of rolls per turn. numberOfRolls = 1; // Display the values of the dice after rolling. displayDice(); // Set/reset the turn flag variable for the next turn. turnOver = false; // This is the "turn" loop. // Execution exits this loop when the user's turn has ended; // choosing to forgo re-rolls of the dice by entering // END_TURN_RESPONSE or by consuming the maximum number of // rolls of the dice. do { // Give the user the menu commands and instructions. System.out.println(); System.out.println(REROLL_MESSAGE_1); System.out.println(); System.out.println(REROLL_MESSAGE_2); System.out.println(REROLL_MESSAGE_3); System.out.println(REROLL_MESSAGE_4); System.out.println(); System.out.printf(REROLL_MESSAGE_5, (MAX_NUMBER_ROLLS - numberOfRolls)); System.out.println(); System.out.println(); System.out.print(REROLL_MESSAGE_6); // Collect the user's input response of which command to execute // or of which dice to re-roll. dice2Reroll = input.nextLine().trim(); // The user's response from the menu prompt, which is stored in // variable dice2Reroll, is processed here. // Variable dice2Reroll is forced to upper case so that the user // can validly enter either upper or lower case values. switch (dice2Reroll.toUpperCase()) { // The user wants to end the game; exit the turn and exit the game. case EXIT_RESPONSE: turnOver = true; gameExit = true; break; // The user wants to see the current scorecard. case SCORE_CARD_RESPONSE: displayScoreSheet(); break; // The user wants to see the current dice face values. case DISPLAY_DICE_RESPONSE: displayDice(); break; // The user wants to end the turn. case END_TURN_RESPONSE: turnOver = true; break; // The user entered spaces or just pressed enter. This is invalid input. case "": displayErrorMessage(); break; // In all other cases, test for a valid String of integers // representing dice to re-roll. default: // Remove any spaces in the String. Particularly ones // between characters. // For example: 1 2 3 instead of 123 dice2Reroll = dice2Reroll.replace(" ", ""); // Save off the contents of variable dice2Reroll to variable // checkDice2Reroll in order for checkDice2Reroll to be // modified during the validation process. String checkDice2Reroll = dice2Reroll; //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace these five lines of code from Project 2 with the code //*** in Steps 2 & 3: //*** checkDice2Reroll = checkDice2Reroll.replaceFirst("1", " "); //*** checkDice2Reroll = checkDice2Reroll.replaceFirst("2", " "); //*** checkDice2Reroll = checkDice2Reroll.replaceFirst("3", " "); //*** checkDice2Reroll = checkDice2Reroll.replaceFirst("4", " "); //*** checkDice2Reroll = checkDice2Reroll.replaceFirst("5", " "); //*** //*** 2) In place of the code in Step 1, do a for-loop that iterates //*** "number of dice" times. //*** //*** Hint: There is a constant already defined for "number of dice" //*** that you must use. //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Invoke the replaceFirst method on variable "checkDice2Reroll" //*** using the for-loop control variable and assign the value back //*** to variable "checkDice2Reroll". //*** //*** In other words, take one of the lines of code from Step 1 //*** that uses the replaceFirst method and replace the hard-coded //*** number (e.g. "1") with the for-loop control variable. //*** //*** Hint: You will need to cast the datatype of the for-loop //*** control variable from int to String. //*** Use the method String.valueOf to do thus. //*** //*** This can be as few as two lines of code not including //*** any curly braces. //*** //**** //*** Your code goes here. //**** // When checkDice2Reroll is blank, the user entered valid dice to reroll. // Conversely, when checkDice2Reroll is not blank, the user entered // invalid dice to reroll. if (checkDice2Reroll.isBlank()) { // If execution makes it here, the input is a valid // set of integers in String format representing // dice to re-roll. // Iterate for each character in the String variable // dice2Reroll (each of which is an integer), and // for each of these characters re-roll that die. for (int i = 0; i < dice2Reroll.length(); i++) { dice[((int)dice2Reroll.charAt(i)) - ASCII_DICE_INDEX] = generator.nextInt(MAX_NUMBER_ON_DIE) + 1; } // This was a valid roll of the dice so count it. numberOfRolls++; // Display the values of the dice after rolling. displayDice(); // If this roll of the dice reaches the max threshold // for number of rolls then end the player's turn // so that they can choose which category to score. if (numberOfRolls == MAX_NUMBER_ROLLS) turnOver = true; } // The user entered invalid input when prompted for which // dice to reroll. So display an error message. else { displayErrorMessage(); } } // This is the closing curly brace for the switch statement. } while (!turnOver); // If in the previous menu the user responded with EXIT_RESPONSE // to exit the game, then skip this code block. // If the user is continuing to play the game, then provide the // menu to score the turn. if (!gameExit) { // Show the current scorecard. displayScoreSheet(); // Flag variable that indicates whether the user's input is valid or invalid. boolean isValidEntry; // Flag variable that indicates whether the user's entry a category to score. boolean categoryPicked; // Variable continuePrompting is used as the loop control variable // for the following do-while loop. boolean continuePrompting; // This is the "category" loop. // Execution exits this loop when the enters a valid category // to score or chooses to exit the game. do { // Start with the assumption that input will be valid and // set isValidEntry to false if otherwise. isValidEntry = true; // Flag variable categoryPicked is false until the user // selects a valid category to score. categoryPicked = false; System.out.println(); System.out.println(CATEGORY_MESSAGE_1); System.out.println(); System.out.print(CATEGORY_MESSAGE_2); // Collect the user's input response of which command to // execute or of which category to score. scoreOptionInput = input.nextLine().trim(); // Set/reset the numeric equivalent of variable scoreOptionInput. scoreOption = 0; // The user's response from the menu prompt, which is stored // in variable scoreOptionInput, is processed here. // Variable scoreOptionInput is forced to upper case so that // the user can validly enter either upper or lower case values. switch (scoreOptionInput.toUpperCase()) { // The user wants to end the game. case EXIT_RESPONSE: gameExit = true; break; // The user wants to see the current scorecard. case SCORE_CARD_RESPONSE: displayScoreSheet(); break; // The user wants to see the current dice face values. case DISPLAY_DICE_RESPONSE: displayDice(); break; // The user entered spaces or just pressed enter. // This is invalid input. case "": displayErrorMessage(); break; // In all other cases, test for a valid String of integers // representing a menu category number. default: // Iterate for each character in the String variable // scoreOptionInput (each of which is an integer), // and for each of these characters, check if it is a digit. for (int x = 0; x < scoreOptionInput.length(); x++) { if (!(Character.isDigit(scoreOptionInput.charAt(x)))) { isValidEntry = false; displayErrorMessage(); } } // If execution makes it here, the input is a valid // set of integers in String format potentially // representing a valid menu category number. if (isValidEntry) { // Cast variable scoreOptionInput into an integer // data type and store in variable scoreOption. scoreOption = Integer.parseInt(scoreOptionInput); // Test if the numeric menu category is invalid which is not // between 1-13 inclusive. // The valid menu categories are 1-13 inclusive. if (scoreOption < 1 || scoreOption > NUMBER_OF_CATEGORIES_TO_COMPLETE_GAME) { isValidEntry = false; displayErrorMessage(); } } // The user entered a valid category to score however the // category was already used by the player. // Categories can only be used once. if (isValidEntry && isCategoryUsed(scoreOption)) { isValidEntry = false; displayErrorMessage(); } // If the user's input passes all checks then calculate // the new score display the current score sheet and // determine if the game is over. if (isValidEntry) { categoryPicked = true; calculateTurnScore(scoreOption); displayScoreSheet(); gameComplete = isGameOver(); } } // This is the closing curly brace for the switch statement. // This do-while continues to execute when variable continuePrompting is true. // Variable continuePrompting is only true when the two parts are both true. // 1) The first part examines variable gameExit. When gameExit is false, // the user did not enter EXIT_RESPONSE to exit the game. Therefore, // to continue looping the user must not have indicated that they // wanted to exit the game. // 2) The second part checks the validity of the user input value and // determines if a category was picked. If the user input is invalid, // the loop continues OR if the user did not pick an unused category, // the loop continues. continuePrompting = !gameExit && !categoryPicked; } while (continuePrompting); } // This is the closing curly brace for the if-statement. } while (!gameExit && !gameComplete); // Display the current score sheet. displayScoreSheet(); } // This method displays the current turn and dice roll number. public static void displayTurnNumber() { int labelLength; int centerValue; System.out.println(BORDER_CHAR.repeat(DISPLAY_WIDTH)); labelLength = (TURN_LABEL + turnCount + " " + ROLLS_LABEL + numberOfRolls).length(); centerValue = labelLength + ((DISPLAY_WIDTH) - labelLength) / 2; System.out.printf("%" + centerValue + "s", TURN_LABEL + turnCount + " " + ROLLS_LABEL + numberOfRolls); System.out.println(); System.out.println(BORDER_CHAR.repeat(DISPLAY_WIDTH)); } // This method displays the values of the dice after rolling. public static void displayDice() { final char UNICODE_DIE_INDEX = 'u267F'; final String DIE_LABEL_PREFIX = "Die #"; final String DIE_LABEL_SUFFIX = " = "; System.out.println(); displayTurnNumber(); for (int i = 0; i < NUMBER_OF_DICE; i++) { System.out.print(DIE_LABEL_PREFIX + (i + 1) + DIE_LABEL_SUFFIX); System.out.print((char) ((int) UNICODE_DIE_INDEX + dice[i])); System.out.println(" (" + (dice[i]) + ")"); } System.out.println(); } // This method displays the current scorecard. public static void displayScoreSheet() { final String[] labels = new String[NUMBER_OF_CATEGORIES]; labels[ACES_INDEX] = "Aces"; labels[TWOS_INDEX] = "Twos"; labels[THREES_INDEX] = "Threes"; labels[FOURS_INDEX] = "Fours"; labels[FIVES_INDEX] ="Fives"; labels[SIXES_INDEX] = "Sixes"; labels[THREE_KIND_INDEX] = "3 of a kind"; labels[FOUR_KIND_INDEX] = "4 of a kind"; labels[FULL_HOUSE_INDEX] = "Full House"; labels[SMALL_STRAIGHT_INDEX] = "Sm. Straight"; labels[LARGE_STRAIGHT_INDEX] = "Lg. Straight"; labels[YAHTZEE_INDEX] = "YAHTZEE"; labels[CHANCE_INDEX] = "Chance"; labels[YAHTZEE_BONUS_INDEX] = "YAHTZEE BONUS"; // If the player achieves a score of 63 or greater in the upper section, // then a bonus is awarded. final int BONUS_THRESHOLD = 63; // This is the upper section bonus. final int BONUS_SCORE = 35; final String UPPER_SECTION_LABEL = "UPPER SECTION"; final String LOWER_SECTION_LABEL = "LOWER SECTION"; final String UPPER_SECTION_SUBTOTAL_LABEL = "TOTAL SCORE"; final String UPPER_SECTION_BONUS_LABEL = "BONUS if >= 63"; final String UPPER_SECTION_TOTAL_LABEL = "TOTAL of Upper Section"; final String LOWER_SECTION_TOTAL_LABEL = "TOTAL of Lower Section"; final String GRAND_TOTAL_LABEL = "GRAND TOTAL"; final String OPTION_SUFFIX_ONE_DIGIT = ") "; final String OPTION_SUFFIX_TWO_DIGIT = ") "; final String EQUALS_LABEL = " = "; // Assign the upper scorecard section score to variable upperScoreTotal. int upperScoreTotal = calculateUpperScore(); // Assign the lower scorecard section score to variable lowerScoreTotal. int lowerScoreTotal = calculateLowerScore(); System.out.println(); System.out.println(UPPER_SECTION_LABEL); //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace these six if-else structures from Project 2 //*** with the code in Steps 2 & 3: //*** //*** if (aces == SCORE_NO_VALUE) //*** System.out.println(FIRST_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + ACES_LABEL); //*** else //*** System.out.println(FIRST_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + ACES_LABEL + EQUALS_LABEL + aces); //*** //*** if (twos == SCORE_NO_VALUE) //*** System.out.println(SECOND_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + TWOS_LABEL); //*** else //*** System.out.println(SECOND_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + TWOS_LABEL + EQUALS_LABEL + twos); //*** //*** if (threes == SCORE_NO_VALUE) //*** System.out.println(THIRD_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + THREES_LABEL); //*** else //*** System.out.println(THIRD_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + THREES_LABEL + EQUALS_LABEL + threes); //*** //*** if (fours == SCORE_NO_VALUE) //*** System.out.println(FOURTH_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + FOURS_LABEL); //*** else //*** System.out.println(FOURTH_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + FOURS_LABEL + EQUALS_LABEL + fours); //*** //*** if (fives == SCORE_NO_VALUE) //*** System.out.println(FIFTH_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + FIVES_LABEL); //*** else //*** System.out.println(FIFTH_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + FIVES_LABEL + EQUALS_LABEL + fives); //*** //*** if (sixes == SCORE_NO_VALUE) //*** System.out.println(SIXTH_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + SIXES_LABEL); //*** else //*** System.out.println(SIXTH_OPTION_LABEL + OPTION_SUFFIX_ONE_DIGIT + SIXES_LABEL + EQUALS_LABEL + sixes); //*** //*** 2) In place of the code in Step 1, do a for-loop that iterates //*** "number of items in upper section category" times. //*** //*** Hint: There is a constant already defined for //*** "number of items in upper section category" //*** that you must use. //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Using the for-loop's control variable as an index into array //*** variable "scores", do an if-statement that checks the value //*** of each upper category score element in the array variable //*** "scores" for "equality to" SCORE_NO_VALUE. //*** B) If the condition in Step 3A evaluates to true, then the //*** category has not been used, therefore do the following: //*** a) Code block if Step 3A evaluates to true: //*** 1) Do a println statement that displays the menu option //*** using the for-loop's control variable in displaying both //*** the menu number and the associated value in array //*** constant "labels". //*** b) Code block when Step 3A evaluates to false (else-statement): //*** 1) Do a println statement that displays the menu option //*** using the for-loop's control variable in displaying: the menu //*** number, the associated value in array constant "labels", and //*** the associated score value stored in array variable "scores". //*** //*** NOTE: 1) Array variable "scores" replaces all of the individual score //*** variables (e.g. aces, twos, etc). //*** 2) Array constant "labels" replaces all of the individual label //*** constants (e.g. ACES_LABEL, TWOS_LABEL, etc). //*** 3) You are replacing the six if-else structures that use the //*** individual score variables with a for-loop that contains //*** a nested if-else structure that references into array //*** variable "scores" and array constant "labels". //*** //*** Hint: Watch the Demonstration Run Video posted in Moodle from //*** Project 2 in order to see a correct scorecard, and match //*** your program output to it. //*** //*** This can be as few as five lines of code not including //*** any curly braces. //*** //**** //*** Your code goes here. //**** // Upper section score subtotal if (upperScoreTotal > 0) System.out.println(UPPER_SECTION_SUBTOTAL_LABEL + EQUALS_LABEL + upperScoreTotal); else System.out.println(UPPER_SECTION_SUBTOTAL_LABEL); // Upper section score bonus if (upperScoreTotal >= BONUS_THRESHOLD) System.out.println(UPPER_SECTION_BONUS_LABEL + EQUALS_LABEL + BONUS_SCORE); else System.out.println(UPPER_SECTION_BONUS_LABEL); // Upper section score total if (upperScoreTotal > 0) if (upperScoreTotal >= BONUS_THRESHOLD) System.out.println(UPPER_SECTION_TOTAL_LABEL + EQUALS_LABEL + (upperScoreTotal + BONUS_SCORE)); else System.out.println(UPPER_SECTION_TOTAL_LABEL + EQUALS_LABEL + upperScoreTotal); else System.out.println(UPPER_SECTION_TOTAL_LABEL); System.out.println(); System.out.println(LOWER_SECTION_LABEL); // Options 7 (Three-of-a-kind) through 13 (Chance) plus Yahtzee Bonus. for (int i = (UPPER_CATEGORY_UPPER_BOUND_INDEX + 1); i <= LOWER_CATEGORY_UPPER_BOUND_INDEX; i++) { // If this is NOT the iteration of the for-loop that is to display // Yahtzee Bonus, then display the category score directly from // the array variable "scores". if (i != YAHTZEE_BONUS_INDEX) { // If the Option number is one digit (1-9) // then use two spaces (OPTION_SUFFIX_ONE_DIGIT) if (i < 9) System.out.print((i+1) + OPTION_SUFFIX_ONE_DIGIT + labels[i]); // If the Option number is two digits (10 or greater) // then use one space (OPTION_SUFFIX_TWO_DIGIT) else System.out.print((i+1) + OPTION_SUFFIX_TWO_DIGIT + labels[i]); if (scores[i] != SCORE_NO_VALUE) System.out.println(EQUALS_LABEL + scores[i]); else System.out.println(); } // If this is the iteration of the for-loop that is to display // Yahtzee Bonus then calculate the score differently. // The score for Yahtzee Bonus is not stored directly in the // array variable "scores". The count of Yahtzee Bonuses // achieved are stored in "scores". Therefore to calculate // the score, the value for Yahtzee Bonus that is stored // in "scores" must be multiplied by the number of points // awarded per additional Yahtzee which is the CONSTANT // YAHTZEE_BONUS_SCORE. else { if (scores[i] != SCORE_NO_VALUE) System.out.println(labels[i] + EQUALS_LABEL + (scores[i] * YAHTZEE_BONUS_SCORE)); else System.out.println(labels[i]); } } // Lower section score total if (lowerScoreTotal > 0) System.out.println(LOWER_SECTION_TOTAL_LABEL + EQUALS_LABEL + lowerScoreTotal); else System.out.println(LOWER_SECTION_TOTAL_LABEL); // Upper section score total if (upperScoreTotal > 0) if (upperScoreTotal >= BONUS_THRESHOLD) System.out.println(UPPER_SECTION_TOTAL_LABEL + EQUALS_LABEL + (upperScoreTotal + BONUS_SCORE)); else System.out.println(UPPER_SECTION_TOTAL_LABEL + EQUALS_LABEL + upperScoreTotal); else System.out.println(UPPER_SECTION_TOTAL_LABEL); // Grand total if (upperScoreTotal + lowerScoreTotal > 0) if (upperScoreTotal >= BONUS_THRESHOLD) System.out.println(GRAND_TOTAL_LABEL + EQUALS_LABEL + (upperScoreTotal + lowerScoreTotal + BONUS_SCORE)); else System.out.println(GRAND_TOTAL_LABEL + EQUALS_LABEL + (upperScoreTotal + lowerScoreTotal)); else System.out.println(GRAND_TOTAL_LABEL); System.out.println(); } // This method is called after the user enters a valid category to score and // updates the appropriate category score in the array variable "scores". public static void calculateTurnScore(int scoreOption) { // Convert the Option number (Categories 1-13) to 0-12 for zero-based indexing. int scoreOption2Index = scoreOption - 1; // The player chooses from the upper section; categories 1 (Aces) through 6 (Sixes). if (scoreOption2Index <= UPPER_CATEGORY_UPPER_BOUND_INDEX) scores[scoreOption2Index] = calculateUpperSectionCategory(scoreOption); // The player chooses from the lower section; categories 7 (Three-of-a-kind) // through 13 (Chance). else { switch (scoreOption2Index) { // Option 7 = Three-of-a-kind case THREE_KIND_INDEX: scores[THREE_KIND_INDEX] = calculateNOfKind(calculateLowerSectionCategory(), 3); break; // Option 8 = Four-of-a-kind case FOUR_KIND_INDEX: scores[FOUR_KIND_INDEX] = calculateNOfKind(calculateLowerSectionCategory(), 4); break; // Option 9 = Full House case FULL_HOUSE_INDEX: scores[FULL_HOUSE_INDEX] = calculateFullHouse(calculateLowerSectionCategory()); break; // Option 10 = Small Straight case SMALL_STRAIGHT_INDEX: scores[SMALL_STRAIGHT_INDEX] = calculateNStraight(calculateLowerSectionCategory(), NUMBER_IN_SMALL_STRAIGHT); break; // Option 11 = Large Straight case LARGE_STRAIGHT_INDEX: scores[LARGE_STRAIGHT_INDEX] = calculateNStraight(calculateLowerSectionCategory(), NUMBER_IN_LARGE_STRAIGHT); break; // Option 12 = Yahtzee case YAHTZEE_INDEX: int checkYahtzee = calculateYahtzee(); if (scores[YAHTZEE_INDEX] == SCORE_NO_VALUE) scores[YAHTZEE_INDEX] = checkYahtzee; else if (scores[YAHTZEE_INDEX] == YAHTZEE_SCORE && checkYahtzee == YAHTZEE_SCORE) if (scores[YAHTZEE_BONUS_INDEX] == SCORE_NO_VALUE) scores[YAHTZEE_BONUS_INDEX] = 1; else scores[YAHTZEE_BONUS_INDEX]++; break; // Option 13 = Chance case CHANCE_INDEX: scores[CHANCE_INDEX] = calculateChance(); break; } } } // This method is called if the player chooses from the upper section // categories 1 (Aces) through 6 (Sixes). It does the calculation // for these six categories and then passes back the value to be // used to update the array variable "scores". public static int calculateUpperSectionCategory(int dieNumber) { int score = 0; //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace these five if-statement structures from Project 2 with //*** the code in Steps 2 & 3: //*** //*** if (die1 == dieNumber) //*** score += die1; //*** //*** if (die2 == dieNumber) //*** score += die2; //*** //*** if (die3 == dieNumber) //*** score += die3; //*** //*** if (die4 == dieNumber) //*** score += die4; //*** //*** if (die5 == dieNumber) //*** score += die5; //*** //*** 2) In place of the code in Step 1, do a for-loop that //*** iterates over every element in the array variable "dice". //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Using the for-loop's control variable as an index into array //*** variable "dice", do an if-statement that checks the value //*** of each element in the array variable "dice" for //*** "equality to" parameter variable "dienumber". //*** B) If the condition in Step 3A evaluates to true, then //*** accumulate the value of that die into variable "score". //*** //*** NOTE: 1) Array variable "dice" replaces all of the individual //*** die variables (e.g. die1, die2, etc) //*** 2) You are replacing the five if-statement structures that //*** use the individual die variables with a for-loop that //*** contains a nested if-statement structure that references //*** into array variable "dice". //*** //*** This can be as few as three lines of code not including //*** any curly braces. //*** //**** //*** Your code goes here. //**** return score; } // This method is called for lower section categories 7 (Three-of-a-kind) // through 11 (Large straight). It creates a 2-D array that is used to // track how many of the five rolled dice have a certain die face number. // In doing so, this 2-D array simplifies the code necessary to determine // if the criteria of a player chosen category have been met or not. // This 2-D array is passed back to the calling code. public static int[][] calculateLowerSectionCategory() { int[] tempDice = new int[NUMBER_OF_DICE]; System.arraycopy(dice, 0, tempDice, 0, dice.length); Arrays.sort(tempDice); int[][] dieCount = new int[1][DIE_COUNT_COLUMN_SIZE]; dieCount[dieCount.length-1][DIE_NUMBER_INDEX] = tempDice[0]; dieCount[dieCount.length-1][DIE_COUNT_INDEX] = 1; for (int i = 1; i < tempDice.length; i++) { if (tempDice[i] == dieCount[dieCount.length-1][DIE_NUMBER_INDEX]) { dieCount[dieCount.length-1][DIE_COUNT_INDEX]++; } else { int[][] tempDieCount = new int[dieCount.length + 1][DIE_COUNT_COLUMN_SIZE]; System.arraycopy(dieCount, 0, tempDieCount, 0, dieCount.length); tempDieCount[tempDieCount.length-1][DIE_NUMBER_INDEX] = tempDice[i]; tempDieCount[tempDieCount.length-1][DIE_COUNT_INDEX] = 1; dieCount = tempDieCount; } } return dieCount; } // This method is called if the player chooses from the lower section // categories 7 (Three-of-a-kind) or 8 (Four-of-a-kind). It does the // calculation for these two categories. The score value is then // passed back to be used to update the array variable "scores". public static int calculateNOfKind(int[][] dieCount, int nKind) { int score = 0; boolean isNKind = false; for (int i = 0; i < dieCount.length; i++) { if (dieCount[i][DIE_COUNT_INDEX] >= nKind) isNKind = true; } if (isNKind) { for (int i = 0; i < NUMBER_OF_DICE; i++) score += dice[i]; } return score; } // This method is called if the player chooses from the lower section // category 9 (Full House). It does the calculation for this category // and the score value is passed back to be used to update the array // variable "scores". public static int calculateFullHouse(int[][] dieCount) { int score = 0; if (dieCount.length == 2 && ((dieCount[0][DIE_COUNT_INDEX] == FULL_HOUSE_NUMBER_IN_GROUP_1 && dieCount[1][DIE_COUNT_INDEX] == FULL_HOUSE_NUMBER_IN_GROUP_2) || (dieCount[1][DIE_COUNT_INDEX] == FULL_HOUSE_NUMBER_IN_GROUP_1 && dieCount[0][DIE_COUNT_INDEX] == FULL_HOUSE_NUMBER_IN_GROUP_2))) score = FULL_HOUSE_SCORE; return score; } // This method is called if the player chooses from the lower section // categories 10 (Small Straight) or 11 (Large Straight). It does the // calculation for these two categories. The score value is then // passed back to be used to update the array variable "scores". public static int calculateNStraight(int[][] dieCount, int nStraight) { int score = 0; int n = 1; for (int i = 0; i < dieCount.length-1; i++) { if (n < nStraight) { if (dieCount[i][DIE_NUMBER_INDEX] == dieCount[i + 1][DIE_NUMBER_INDEX] - 1) n++; else n = 1; } } if (n >= nStraight) { switch (nStraight) { case NUMBER_IN_SMALL_STRAIGHT: score = SMALL_STRAIGHT_SCORE; break; case NUMBER_IN_LARGE_STRAIGHT: score = LARGE_STRAIGHT_SCORE; break; } } return score; } // This method is called if the player chooses from the lower section // category 12 (Yahtzee). It does the calculation for this category // and the score value is passed back to be used to update the array // variable "scores". public static int calculateYahtzee() { int score = 0; boolean isYahtzee = true; //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace this if-statement structure from Project 2 with the code //*** in Steps 2 & 3: //*** //*** if (die1 == die2 && die2 == die3 && die3 == die4 && die4 == die5) //*** isYahtzee = true; //*** //*** 2) In place of the code in Step 1, do a for-loop that iterates //*** ("number of dice" - 1) times. //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Using the for-loop's control variable as an index into array //*** variable "dice", do an if-statement that checks the value //*** of each element in the array variable "dice" for //*** "inequality to" the next element in array variable "dice". //*** B) If the condition in Step 3A evaluates to true, then assign the //*** value of false to variable "isYahtzee". //*** //*** NOTE: 1) Array variable "dice" replaces all of the individual //*** die variables (e.g. die1, die2, etc) //*** 2) You are replacing the if-statement structure that //*** uses the individual die variables with a for-loop that //*** contains a nested if-statement structure that references //*** into array variable "dice". //*** //*** This can be as few as three lines of code not including //*** any curly braces. //*** //**** //*** Your code goes here. //**** if (isYahtzee) score = YAHTZEE_SCORE; return score; } // This method is called if the player chooses from the lower section // category 13 (Chance). It does the calculation for this category // and the score value is passed back to be used to update the array // variable "scores". public static int calculateChance() { int score = 0; //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace this line of code with the code in Steps 2 & 3: //*** //*** score = die1 + die2 + die3 + die4 + die5; //*** //*** 2) In place of the code from Step 1, do for-loop that //*** iterates over every element in the array variable "dice". //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Using the for-loop's control variable as an index into //*** array variable "dice", accumulate the value of every die //*** into variable "score". //*** //*** NOTE: Array variable "dice" replaces all of the individual //*** die variables (e.g. die1, die2, etc) //*** //*** This can be as few as two lines of code not including //*** any curly braces. //*** //**** //*** Your code goes here. //**** return score; } // This method calculates the upper scorecard section subtotal. public static int calculateUpperScore() { int score = 0; //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace these six if-statement structures from Project 2 with //*** the code in Steps 2 & 3: //*** //*** if (aces != SCORE_NO_VALUE) //*** score += aces; //*** //*** if (twos != SCORE_NO_VALUE) //*** score += twos; //*** //*** if (threes != SCORE_NO_VALUE) //*** score += threes; //*** //*** if (fours != SCORE_NO_VALUE) //*** score += fours; //*** //*** if (fives != SCORE_NO_VALUE) //*** score += fives; //*** //*** if (sixes != SCORE_NO_VALUE) //*** score += sixes; //*** //*** 2) In place of the code in Step 1, do a for-loop that iterates //*** "number of items in upper section category" times. //*** //*** Hint: There is a constant already defined for //*** "number of items in upper section category" //*** that you must use. //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Using the for-loop's control variable as an index into array //*** variable "scores", do a if-statement that checks the value //*** of each upper category score element in the array variable //*** "scores" for "inequality to" SCORE_NO_VALUE. //*** B) If the condition in Step 3A evaluates to true, then accumulate //*** the value of that category's score from array variable "scores" //*** into variable "score". //*** //*** NOTE: 1) Array variable "scores" replaces all of the individual //*** score variables (e.g. aces, twos, etc) //*** 2) You are replacing the if-statement structure that //*** uses the individual score variables with a for-loop that //*** contains a nested if-statement structure that references //*** into array variable "scores". //*** This can be as few as three lines of code not including //*** any curly braces. //*** //**** //*** Your code goes here. //**** return score; } // This method calculates the lower scorecard section subtotal. public static int calculateLowerScore() { int score = 0; for (int i = UPPER_CATEGORY_UPPER_BOUND_INDEX + 1; i <= LOWER_CATEGORY_UPPER_BOUND_INDEX; i++) { if (i != YAHTZEE_BONUS_INDEX) { if (scores[i] != SCORE_NO_VALUE) score += scores[i]; } else { if (scores[i] != SCORE_NO_VALUE) score += (scores[i] * YAHTZEE_BONUS_SCORE); } } return score; } // This method determines if the criteria of a player chosen category // has been used or not. // A category can only be used once with the exception of Yahtzee. There // can be multiple times that a Yahtzee is scored provided that the // first time the Yahtzee category is selected, that the configuration // of the dice meets the criteria for a Yahtzee. // In other words, if the Yahtzee category is "zeroed out", then no more // Yahtzees can be scored even if one is rolled. public static boolean isCategoryUsed(int scoreOption) { boolean used = false; if ((scoreOption - 1) != YAHTZEE_INDEX) { if (scores[scoreOption - 1] != SCORE_NO_VALUE) used = true; } else { if (scores[YAHTZEE_INDEX] == YAHTZEE_SCORE && calculateYahtzee() != YAHTZEE_SCORE) used = true; else if (scores[YAHTZEE_INDEX] != YAHTZEE_SCORE && scores[YAHTZEE_INDEX] != SCORE_NO_VALUE) used = true; } return used; } // This method determines if all of the categories have been used which // signals the end of the current game. public static boolean isGameOver() { boolean gameOver = true; //*** //*** INSTRUCTIONS FOR CODE FOR YOU TO WRITE //*** //*** 1) Replace this if-statement structure from Project 2 with //*** the code in Steps 2 & 3: //*** //*** if (aces != SCORE_NO_VALUE && twos != SCORE_NO_VALUE && //*** threes != SCORE_NO_VALUE && fours != SCORE_NO_VALUE && //*** fives != SCORE_NO_VALUE && sixes != SCORE_NO_VALUE && //*** threeKind != SCORE_NO_VALUE && fourKind != SCORE_NO_VALUE && //*** fullHouse != SCORE_NO_VALUE && smallStraight != SCORE_NO_VALUE && //*** largeStraight != SCORE_NO_VALUE && yahtzee != SCORE_NO_VALUE && //*** chance != SCORE_NO_VALUE) //*** gameOver = true; //*** //*** 2) In place of the code in Step 1, do a for-loop that iterates //*** "number of categories to complete game" times. //*** //*** Hint: There is a constant already defined for //*** "number of categories to complete game" //*** that you must use. //*** //*** 3) Code block for the for-loop in Step 2: //*** A) Using the for-loop's control variable as an index into array //*** variable "scores", do an if-statement that checks the //*** value of each category score element in the array variable //*** "scores" for "equality to" SCORE_NO_VALUE. //*** B) If the condition in Step 3A evaluates to true, then assign //*** the value of false to variable "gameOver". //*** //*** NOTE: 1) Array variable "scores" replaces all of the individual //*** score variables (e.g. aces, twos, etc) //*** 2) You are replacing the if-else structure that //*** uses the individual score variables with a for-loop that //*** contains a nested if-statement structure that references //*** into array variable "scores". //*** //*** This can be as few as three lines of code not including //*** any curly braces. //**** //*** Your code goes here. //**** return gameOver; } // This method Displays a generic error message. public static void displayErrorMessage() { System.out.println(); System.out.println(BORDER_CHAR.repeat(INVALID_INPUT_MESSAGE.length())); System.out.println(INVALID_INPUT_MESSAGE); System.out.println(BORDER_CHAR.repeat(INVALID_INPUT_MESSAGE.length())); } } 

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