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[tpcode]\r\n// Runnable code Demo:\r\n\r\npublic class NumberGuessingGameDemo {\r\n    \r\n    public static void main(String[] args) {\r\n        java.util.Scanner myKB = new java.util.Scanner(System.in);\r\n        System.out.println(\"            THE NUMBER GUESSING GAME\");\r\n        System.out.println(\"            ========================\n\");\r\n\r\n        int gamesPlayed = 0;\r\n        boolean quit = false;\r\n        while (!quit) {\r\n            int allowableGuesses;\r\n            boolean allowHighLowHints;\r\n            gamesPlayed++;\r\n            System.out.println(\"NEW GAME....#\" + gamesPlayed + \"\n\");\r\n            String guessesAllowable = \"\";\r\n            while (guessesAllowable.isEmpty()) {\r\n                System.out.println(\"A mystery number from 1 to 100 will be automatically\");\r\n                System.out.println(\"generated. How many guesses do you think it will take\");\r\n                System.out.print(\"you to guess this mystery number (q to quit)? --> \");\r\n                guessesAllowable = myKB.nextLine().trim();\r\n                if (!guessesAllowable.matches(\"\\d+|(?i)[q]\")) {\r\n                    System.out.println(\"Invalid Entry (\" + guessesAllowable + \")! Try again...\n\");\r\n                    guessesAllowable = \"\";\r\n                }\r\n            }\r\n            if (guessesAllowable.equalsIgnoreCase(\"q\")) {\r\n                System.out.println(\"\nGAME OVER - QUITING!\");\r\n                break;\r\n            } else {\r\n                allowableGuesses = Integer.parseInt(guessesAllowable);\r\n            }\r\n            System.out.println();\r\n\r\n            // Does the User want Hints?\r\n            String allowHintsYN = \"\";\r\n            while (allowHintsYN.isEmpty()) {\r\n                System.out.print(\"Want to enable Low/High hints (y/n)? -> \");\r\n                allowHintsYN = myKB.nextLine().trim();\r\n                if (!allowHintsYN.matches(\"(?i)[ynq]\")) {\r\n                    System.out.println(\"Invalid Entry (\" + allowHintsYN + \")! Try again...\n\");\r\n                    allowHintsYN = \"\";\r\n                }\r\n            }\r\n            if (allowHintsYN.equalsIgnoreCase(\"q\")) {\r\n                System.out.println(\"\nGAME OVER - QUITING!\");\r\n                break;\r\n            } else {\r\n                allowHighLowHints = (allowHintsYN.equalsIgnoreCase(\"y\"));\r\n            }\r\n            \r\n            java.util.Random r = new java.util.Random();\r\n            int numberToGuess = r.nextInt(100) + 1;\r\n            java.util.List<String> alreadyGuessed = new java.util.ArrayList<>();\r\n\r\n            // System.out.println(numberToGuess);  // For testing...The random number to guess\r\n            \r\n            System.out.println();\r\n\r\n            String guess = \"\";\r\n            int guessCounter = 0;\r\n            int guessesRemaining;\r\n            while (guess.isEmpty()) {\r\n                guessesRemaining = allowableGuesses - guessCounter;\r\n                if (guessesRemaining == 0) {\r\n                    System.out.println(\"\n           << GAME OVER  -  YOU LOSE >>\");\r\n                    System.out.println(\"You have run out of chances to guess the mystery number!\");\r\n                    System.out.println(\"The number you needed to guess was: \" + numberToGuess + \"\n\");\r\n                    break;\r\n                }\r\n                System.out.println(\"Guess a number between 1 and 100 (or q to quit).\");\r\n                System.out.print(\"You have \" + guessesRemaining + \" guesses remaining: --> \");\r\n                guess = myKB.nextLine().trim();\r\n                if (guess.matches(\"(?i)[q]\")) {\r\n                    System.out.println(\"Quitting this particular game!\n\");\r\n                    break;\r\n                }\r\n                guessCounter++;\r\n                int guessedNum;\r\n                if (guess.matches(\"-?\\d+\")) {\r\n                    guessedNum = Integer.parseInt(guess);\r\n                } else {\r\n                    System.out.println(\"Oh Oh...'\" + guess + \"' is not a number! That cost you one guess.\n\");\r\n                    guess = \"\";\r\n                    continue;\r\n                }\r\n                if (alreadyGuessed.contains(guess)) {\r\n                    System.out.println(\"Bad news...You already guessed '\" + guess + \"' previously!\");\r\n                    System.out.println(\"That cost you one guess. Try again...\n\");\r\n                    guess = \"\";\r\n                    continue;\r\n                } else {\r\n                    alreadyGuessed.add(guess);\r\n                }\r\n                if (guessedNum == numberToGuess) {\r\n                    System.out.println();\r\n                    System.out.println(\"    << CONGRATULATIONS! YOU'RE A WINNER! >>\");\r\n                    System.out.println(guessedNum + \" was the mystery number and you managed to guess\");\r\n\r\n                    System.out.println(\"that number in \" + guessCounter\r\n                            + (guessCounter == 1 ? \" guess\" : \" guesses\")\r\n                            + \" which is \" + (guessCounter == allowableGuesses ? \"what\" : \"below\")\r\n                            + \" the allotted\");\r\n                    System.out.println(allowableGuesses + \" guesses you said \"\r\n                            + \"you could do it in.\n\");\r\n                    break;\r\n                } else if (guessedNum < 1 || guessedNum > 100) {\r\n                    System.out.println(\"Ha Ha Ha...Bad news friend, you have to pick a number between 1 and 100.\");\r\n                    System.out.println(\"Pay attention! That cost you one guess. Try again...\n\");\r\n                    guess = \"\";\r\n                } else if (guessedNum > numberToGuess) {\r\n                    System.out.println(\"Hard luck.\" \r\n                            +(allowHighLowHints ? \" Your guess is a little too high.\" : \" Incorrect!\") \r\n                            + \" Try again...\n\");\r\n                    guess = \"\";\r\n                } else if (guessedNum < numberToGuess) {\r\n                    System.out.println(\"Hard luck.\" \r\n                            +(allowHighLowHints ? \" Your guess is a little too low.\" : \" Incorrect!\") \r\n                            + \" Try again...\n\");\r\n                    guess = \"\";\r\n                }\r\n            }\r\n\r\n            String playAgain = \"\";\r\n            while (true) {\r\n                System.out.println(\"<< Press ENTER to play again >>\");\r\n                System.out.println(\"<<       or q to quit        >>\");\r\n                playAgain = myKB.nextLine().trim();\r\n                if (playAgain.equalsIgnoreCase(\"q\") || playAgain.isEmpty()) {\r\n                    break;\r\n                }\r\n            }\r\n            if (playAgain.equalsIgnoreCase(\"q\")) {\r\n                quit = true;\r\n            }\r\n        }\r\n    }\r\n}\r\n[/tpcode]
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