Removed spaces from top-level directory names.

Spaces tend to cause annoyances in a Unix-style shell environment.
This change fixes that.

47_Hi-Lo/java/src/HiLo.java

@@ -0,0 +1,214 @@
+import java.util.Scanner;
+
+/**
+ * Game of HiLo
+ *
+ * Based on the Basic game of Hi-Lo here
+ * https://github.com/coding-horror/basic-computer-games/blob/main/47%20Hi-Lo/hi-lo.bas
+ *
+ * Note:  The idea was to create a version of the 1970's Basic game in Java, without introducing
+ *        new features - no additional text, error checking, etc has been added.
+ */
+public class HiLo {
+
+    public static final int LOW_NUMBER_RANGE = 1;
+    public static final int HIGH_NUMBER_RANGE = 100;
+    public static final int MAX_GUESSES = 6;
+
+    private enum GAME_STATE {
+        STARTING,
+        START_GAME,
+        GUESSING,
+        PLAY_AGAIN,
+        GAME_OVER
+    }
+
+    // Used for keyboard input
+    private final Scanner kbScanner;
+
+    // Current game state
+    private GAME_STATE gameState;
+
+    // Players Winnings
+    private int playerAmountWon;
+
+    // Players guess count;
+    private int playersGuesses;
+
+    // Computers random number
+    private int computersNumber;
+
+    public HiLo() {
+
+        gameState = GAME_STATE.STARTING;
+        playerAmountWon = 0;
+
+        // Initialise kb scanner
+        kbScanner = new Scanner(System.in);
+    }
+
+    /**
+     * Main game loop
+     *
+     */
+    public void play() {
+
+        do {
+            switch (gameState) {
+
+                // Show an introduction the first time the game is played.
+                case STARTING:
+                    intro();
+                    gameState = GAME_STATE.START_GAME;
+                    break;
+
+                // Generate computers number for player to guess, etc.
+                case START_GAME:
+                    init();
+                    System.out.println("O.K.  I HAVE A NUMBER IN MIND.");
+                    gameState = GAME_STATE.GUESSING;
+                    break;
+
+                // Player guesses the number until they get it or run out of guesses
+                case GUESSING:
+                    int guess = playerGuess();
+
+                    // Check if the player guessed the number
+                    if(validateGuess(guess)) {
+                        System.out.println("GOT IT!!!!!!!!!!   YOU WIN " + computersNumber
+                                + " DOLLARS.");
+                        playerAmountWon += computersNumber;
+                        System.out.println("YOUR TOTAL WINNINGS ARE NOW "
+                                + playerAmountWon + " DOLLARS.");
+                        gameState = GAME_STATE.PLAY_AGAIN;
+                    } else {
+                        // incorrect guess
+                        playersGuesses++;
+                        // Ran out of guesses?
+                        if (playersGuesses == MAX_GUESSES) {
+                            System.out.println("YOU BLEW IT...TOO BAD...THE NUMBER WAS "
+                                    + computersNumber);
+                            playerAmountWon = 0;
+                            gameState = GAME_STATE.PLAY_AGAIN;
+                        }
+                    }
+                    break;
+
+                // Play again, or exit game?
+                case PLAY_AGAIN:
+                    System.out.println();
+                    if(yesEntered(displayTextAndGetInput("PLAY AGAIN (YES OR NO) "))) {
+                        gameState = GAME_STATE.START_GAME;
+                    } else {
+                        // Chose not to play again
+                        System.out.println("SO LONG.  HOPE YOU ENJOYED YOURSELF!!!");
+                        gameState = GAME_STATE.GAME_OVER;
+                    }
+            }
+        } while (gameState != GAME_STATE.GAME_OVER);
+    }
+
+    /**
+     * Checks the players guess against the computers randomly generated number
+     *
+     * @param theGuess the players guess
+     * @return true if the player guessed correctly, false otherwise
+     */
+    private boolean validateGuess(int theGuess) {
+
+        // Correct guess?
+        if(theGuess == computersNumber) {
+            return true;
+        }
+
+        if(theGuess > computersNumber) {
+            System.out.println("YOUR GUESS IS TOO HIGH.");
+        } else {
+            System.out.println("YOUR GUESS IS TOO LOW.");
+        }
+
+        return false;
+    }
+
+    private void init() {
+        playersGuesses = 0;
+        computersNumber = randomNumber();
+    }
+
+    public void intro() {
+        System.out.println("HI LO");
+        System.out.println("CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY");
+        System.out.println();
+        System.out.println();
+        System.out.println("IS THE GAME OF HI LO.");
+        System.out.println();
+        System.out.println("YOU WILL HAVE 6 TRIES TO GUESS THE AMOUNT OF MONEY IN THE");
+        System.out.println("HI LO JACKPOT, WHICH IS BETWEEN 1 AND 100 DOLLARS.  IF YOU");
+        System.out.println("GUESS THE AMOUNT, YOU WIN ALL THE MONEY IN THE JACKPOT!");
+        System.out.println("THEN YOU GET ANOTHER CHANCE TO WIN MORE MONEY.  HOWEVER,");
+        System.out.println("IF YOU DO NOT GUESS THE AMOUNT, THE GAME ENDS.");
+    }
+
+    /**
+     * Get players guess from kb
+     *
+     * @return players guess as an int
+     */
+    private int playerGuess() {
+        return Integer.parseInt((displayTextAndGetInput("YOUR GUESS? ")));
+    }
+
+    /**
+     * Checks whether player entered Y or YES to a question.
+     *
+     * @param text  player string from kb
+     * @return true of Y or YES was entered, otherwise false
+     */
+    private boolean yesEntered(String text) {
+        return stringIsAnyValue(text, "Y", "YES");
+    }
+
+    /**
+     * Check whether a string equals one of a variable number of values
+     * Useful to check for Y or YES for example
+     * Comparison is case insensitive.
+     *
+     * @param text source string
+     * @param values a range of values to compare against the source string
+     * @return true if a comparison was found in one of the variable number of strings passed
+     */
+    private boolean stringIsAnyValue(String text, String... values) {
+
+        // Cycle through the variable number of values and test each
+        for(String val:values) {
+            if(text.equalsIgnoreCase(val)) {
+                return true;
+            }
+        }
+
+        // no matches
+        return false;
+    }
+
+    /*
+     * Print a message on the screen, then accept input from Keyboard.
+     *
+     * @param text message to be displayed on screen.
+     * @return what was typed by the player.
+     */
+    private String displayTextAndGetInput(String text) {
+        System.out.print(text);
+        return kbScanner.next();
+    }
+
+    /**
+     * Generate random number
+     * Used as a single digit of the computer player
+     *
+     * @return random number
+     */
+    private int randomNumber() {
+        return (int) (Math.random()
+                * (HIGH_NUMBER_RANGE - LOW_NUMBER_RANGE + 1) + LOW_NUMBER_RANGE);
+    }
+}

47_Hi-Lo/java/src/HiLoGame.java

@@ -0,0 +1,8 @@
+public class HiLoGame {
+
+    public static void main(String[] args) {
+
+        HiLo hiLo = new HiLo();
+        hiLo.play();
+    }
+}