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Dec 8th, 2019
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  1. import java.util.Random;
  2. import java.util.Scanner;
  3.  
  4.  
  5. public class GuessTheNumber {
  6.  
  7. // Maximum number the solution can be
  8. private final int max;
  9.  
  10. // Solution number
  11. private final int solution;
  12.  
  13. // Reads input from the user
  14. private final Scanner scanner;
  15.  
  16. // Constructor: picks a solution in range 0..maximum
  17. public GuessTheNumber(Scanner scanner, int max) {
  18. this.scanner = scanner;
  19. this.max = max;
  20. this.solution = new Random().nextInt(max);
  21. }
  22.  
  23. // Main game logic
  24. public void play() {
  25. while(true) {
  26. // Prompt the user to pick a number
  27. System.out.print("Enter your guess: ");
  28. int guess = scanner.nextInt();
  29.  
  30. // Check how the guess compares to the solution
  31. if (guess > solution) {
  32. System.out.println("Number was too big!");
  33. } else if (guess < solution) {
  34. System.out.println("Number was too small!");
  35. } else {
  36. System.out.println("BINGO!");
  37. break;
  38. }
  39. }
  40. }
  41.  
  42. public static void main(String[] args) {
  43. Scanner scanner = new Scanner(System.in);
  44.  
  45. // Get the maximum number from the user
  46. System.out.print("Enter maximum number: ");
  47. int max = scanner.nextInt();
  48.  
  49. // Start the game
  50. GuessTheNumber game = new GuessTheNumber(scanner, max);
  51. game.play();
  52. }
  53. }
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