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Write a Java program that implements the number guessing game where the computer tries to guess...

Write a Java program that implements the number guessing game where the computer tries to guess a number in your head. You pick a number between 0 and 100, and the computer generates a guess. You then type 1 if your number is larger than the computer’s guess, -1 if your number is smaller, and 0 if the number is correct. The computer should keep trying to guess the number by adjusting the guess based on your feedback (so if you enter -1, the next guess has to be smaller).

Bonus [ 2 points ] if your program always guesses the correct number within a maximum of 7 tries. Java programming language

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Answer #1

//COMMENT IF YOU HAVE DOUBTS AND PLEASE LIKE THE ANSWER.

//------------ NumberGuessing.java --------
//create a package named guessing if running in Eclipse if not
//remove below package statement and then save the file as NumberGuessing.java


package guessing;

import java.util.Scanner;

public class NumberGuessing {
   public static void guessingGame() {
       int low = 0;
       int high = 100;

       int response = 1;
       Scanner in = new Scanner(System.in);
       int middle;
       int guessCount = 0;
       do {
           middle = low + (high - low) / 2;
           System.out.println("\nComputer Guess is : " + middle);
           System.out.println("\nIs Guess Correct : ");
           System.out.println("0. Guess Correct");
           System.out.println("-1. if your number is smaller the Guess");
           System.out.println("1. if your number is greater than the Guess");
           System.out.print("Enter your Response: ");
           response = in.nextInt();
           if (response == 1) {
               low = middle + 1;
               ++guessCount;

           } else if (response == -1) {
               ++guessCount;
               high = middle - 1;
           } else if (response == 0) {
               ++guessCount;
               System.out.println("\nGuessed value : " + middle + " in " + guessCount + " guesses.");

           } else {
               System.out.println("\nError: Invalid Response entered, Try Again.");
           }
       } while (response != 0);

   }

   public static void main(String args[]) {
       //call the method guessingGame() method to test
       //the functionality of guessing.
//       guessingGame();
      
       // uncomment below to test the guessing mechanism automatically.
       testGuessing();
       System.out.println("\nExiting....");
   }

   /*
   * method to test the Guessing mechanism to show that guess for a each number
   * from 0 to 100 will be found in less than or equal to 7 guesses. it is just
   * for your testing the answer you wanted is in the method guessingGame()
   * method.
   */
   public static void testGuessing() {
       System.out.println("--------- Number Guessing Automatic Testing for 0 - 100 Numbers -------\n");
       for (Integer num = 0; num <= 100; num++) {
           System.out.println("\nNumber to guess : "+num);
           int low = 0;
           int high = 100;
           int response = 1;
           Integer middle;
           int guessCount = 0;
           do {
               middle = low + (high - low) / 2;
               response = num.compareTo(middle);
               if (response == 1) {
                   low = middle + 1;
                   ++guessCount;

               } else if (response == -1) {
                   ++guessCount;
                   high = middle - 1;
               } else if (response == 0) {
                   ++guessCount;
                   System.out.println("Guessed value : " + middle + " in " + guessCount + " guesses.");

               }
           } while (response != 0);
       }

   }
}

NumberGuessing.java & Console X <terminated> NumberGuessing [Java Application] C:\Program FilesVava\jre 1.8.0_131\bin\javaw.e| | 3 | 5H = | 2 | = B. NumberGuessing.java Console X <terminated> NumberGuessing [Java Application] C:\Program Files Vava\jr*NumberGuessing.java @ Console X <terminated> NumberGuessing (Java Application] C:\Program Files Java\jre 1.8.0_131\bin\javaw| | | E F 1 = T E | *NumberGuessing.java & Console X <terminated> NumberGuessing [Java Application) C:\Program Files\ava\jre1
/*
* ----------------- OUTPUT --------
* my guess : 30
*
Computer Guess is : 50

Is Guess Correct :
0. Guess Correct
-1. if your number is smaller the Guess
1. if your number is greater than the Guess
Enter your Response: -1

Computer Guess is : 24

Is Guess Correct :
0. Guess Correct
-1. if your number is smaller the Guess
1. if your number is greater than the Guess
Enter your Response: 1

Computer Guess is : 37

Is Guess Correct :
0. Guess Correct
-1. if your number is smaller the Guess
1. if your number is greater than the Guess
Enter your Response: -1

Computer Guess is : 30

Is Guess Correct :
0. Guess Correct
-1. if your number is smaller the Guess
1. if your number is greater than the Guess
Enter your Response: 0

Guessed value : 30 in 4 guesses.

Exiting....

------------ Automatic Testing -----------
--------- Number Guessing Automatic Testing for 0 - 100 Numbers -------


Number to guess : 0
Guessed value : 0 in 6 guesses.

Number to guess : 1
Guessed value : 1 in 7 guesses.

Number to guess : 2
Guessed value : 2 in 5 guesses.

Number to guess : 3
Guessed value : 3 in 6 guesses.

Number to guess : 4
Guessed value : 4 in 7 guesses.

Number to guess : 5
Guessed value : 5 in 4 guesses.

Number to guess : 6
Guessed value : 6 in 6 guesses.

Number to guess : 7
Guessed value : 7 in 7 guesses.

Number to guess : 8
Guessed value : 8 in 5 guesses.

Number to guess : 9
Guessed value : 9 in 6 guesses.

Number to guess : 10
Guessed value : 10 in 7 guesses.

Number to guess : 11
Guessed value : 11 in 3 guesses.

Number to guess : 12
Guessed value : 12 in 6 guesses.

Number to guess : 13
Guessed value : 13 in 7 guesses.

Number to guess : 14
Guessed value : 14 in 5 guesses.

Number to guess : 15
Guessed value : 15 in 6 guesses.

Number to guess : 16
Guessed value : 16 in 7 guesses.

Number to guess : 17
Guessed value : 17 in 4 guesses.

Number to guess : 18
Guessed value : 18 in 6 guesses.

Number to guess : 19
Guessed value : 19 in 7 guesses.

Number to guess : 20
Guessed value : 20 in 5 guesses.

Number to guess : 21
Guessed value : 21 in 7 guesses.

Number to guess : 22
Guessed value : 22 in 6 guesses.

Number to guess : 23
Guessed value : 23 in 7 guesses.

Number to guess : 24
Guessed value : 24 in 2 guesses.

Number to guess : 25
Guessed value : 25 in 6 guesses.

Number to guess : 26
Guessed value : 26 in 7 guesses.

Number to guess : 27
Guessed value : 27 in 5 guesses.

Number to guess : 28
Guessed value : 28 in 6 guesses.

Number to guess : 29
Guessed value : 29 in 7 guesses.

Number to guess : 30
Guessed value : 30 in 4 guesses.

Number to guess : 31
Guessed value : 31 in 6 guesses.

Number to guess : 32
Guessed value : 32 in 7 guesses.

Number to guess : 33
Guessed value : 33 in 5 guesses.

Number to guess : 34
Guessed value : 34 in 7 guesses.

Number to guess : 35
Guessed value : 35 in 6 guesses.

Number to guess : 36
Guessed value : 36 in 7 guesses.

Number to guess : 37
Guessed value : 37 in 3 guesses.

Number to guess : 38
Guessed value : 38 in 6 guesses.

Number to guess : 39
Guessed value : 39 in 7 guesses.

Number to guess : 40
Guessed value : 40 in 5 guesses.

Number to guess : 41
Guessed value : 41 in 6 guesses.

Number to guess : 42
Guessed value : 42 in 7 guesses.

Number to guess : 43
Guessed value : 43 in 4 guesses.

Number to guess : 44
Guessed value : 44 in 6 guesses.

Number to guess : 45
Guessed value : 45 in 7 guesses.

Number to guess : 46
Guessed value : 46 in 5 guesses.

Number to guess : 47
Guessed value : 47 in 7 guesses.

Number to guess : 48
Guessed value : 48 in 6 guesses.

Number to guess : 49
Guessed value : 49 in 7 guesses.

Number to guess : 50
Guessed value : 50 in 1 guesses.

Number to guess : 51
Guessed value : 51 in 6 guesses.

Number to guess : 52
Guessed value : 52 in 7 guesses.

Number to guess : 53
Guessed value : 53 in 5 guesses.

Number to guess : 54
Guessed value : 54 in 6 guesses.

Number to guess : 55
Guessed value : 55 in 7 guesses.

Number to guess : 56
Guessed value : 56 in 4 guesses.

Number to guess : 57
Guessed value : 57 in 6 guesses.

Number to guess : 58
Guessed value : 58 in 7 guesses.

Number to guess : 59
Guessed value : 59 in 5 guesses.

Number to guess : 60
Guessed value : 60 in 6 guesses.

Number to guess : 61
Guessed value : 61 in 7 guesses.

Number to guess : 62
Guessed value : 62 in 3 guesses.

Number to guess : 63
Guessed value : 63 in 6 guesses.

Number to guess : 64
Guessed value : 64 in 7 guesses.

Number to guess : 65
Guessed value : 65 in 5 guesses.

Number to guess : 66
Guessed value : 66 in 6 guesses.

Number to guess : 67
Guessed value : 67 in 7 guesses.

Number to guess : 68
Guessed value : 68 in 4 guesses.

Number to guess : 69
Guessed value : 69 in 6 guesses.

Number to guess : 70
Guessed value : 70 in 7 guesses.

Number to guess : 71
Guessed value : 71 in 5 guesses.

Number to guess : 72
Guessed value : 72 in 7 guesses.

Number to guess : 73
Guessed value : 73 in 6 guesses.

Number to guess : 74
Guessed value : 74 in 7 guesses.

Number to guess : 75
Guessed value : 75 in 2 guesses.

Number to guess : 76
Guessed value : 76 in 6 guesses.

Number to guess : 77
Guessed value : 77 in 7 guesses.

Number to guess : 78
Guessed value : 78 in 5 guesses.

Number to guess : 79
Guessed value : 79 in 6 guesses.

Number to guess : 80
Guessed value : 80 in 7 guesses.

Number to guess : 81
Guessed value : 81 in 4 guesses.

Number to guess : 82
Guessed value : 82 in 6 guesses.

Number to guess : 83
Guessed value : 83 in 7 guesses.

Number to guess : 84
Guessed value : 84 in 5 guesses.

Number to guess : 85
Guessed value : 85 in 7 guesses.

Number to guess : 86
Guessed value : 86 in 6 guesses.

Number to guess : 87
Guessed value : 87 in 7 guesses.

Number to guess : 88
Guessed value : 88 in 3 guesses.

Number to guess : 89
Guessed value : 89 in 6 guesses.

Number to guess : 90
Guessed value : 90 in 7 guesses.

Number to guess : 91
Guessed value : 91 in 5 guesses.

Number to guess : 92
Guessed value : 92 in 6 guesses.

Number to guess : 93
Guessed value : 93 in 7 guesses.

Number to guess : 94
Guessed value : 94 in 4 guesses.

Number to guess : 95
Guessed value : 95 in 6 guesses.

Number to guess : 96
Guessed value : 96 in 7 guesses.

Number to guess : 97
Guessed value : 97 in 5 guesses.

Number to guess : 98
Guessed value : 98 in 7 guesses.

Number to guess : 99
Guessed value : 99 in 6 guesses.

Number to guess : 100
Guessed value : 100 in 7 guesses.

Exiting....

* */

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