/* RandomExerciseMethod.java by Craig Persiko
   Example program from CS 111A:
   Generate random integers
   in the range specified by user, showing them
   on the screen, and stopping when the same number
   is generated twice in a row. At the end, output
   the largest number that was generated.
   Uses a void method to do this
*/

import java.util.Scanner;

public class RandomExerciseMethod
{
  public static void main(String[] args)
  {
    Scanner scan = new Scanner(System.in);
    int smallest, largest;

    System.out.println("Please enter the range of random numbers to generate:");
    System.out.println("Enter the smallest number and largest number, separated by space:");
    smallest = scan.nextInt();
    largest = scan.nextInt();

    randomness(smallest, largest);
  }

  /* Generate random integers in the range specified by parameters, showing them
   on the screen, and stopping when the same number
   is generated twice in a row. At the end, output
   the largest number that was generated.
  */
  public static void randomness(int smallest, int largest)
  {
    int rand=smallest-1, lastRand, max=smallest;

    do
    {
      lastRand = rand;

      rand = smallest + (int)( (largest-smallest+1) * Math.random());
      System.out.print(rand + " ");

      if (rand > max)
        max = rand;

    }while(rand != lastRand);

    System.out.println("\nThe largest number was " + max);
  }
}

/* Sample Output:

-bash-3.2$ java RandomExerciseMethod
Please enter the range of random numbers to generate:
Enter the smallest number and largest number, separated by space:
2 20
19 20 8 18 10 8 6 7 4 12 5 14 2 18 20 15 11 10 11 17 9 14 9 13 8 10 16 5 18 10 19 10 6 2 13 15 3 3
The largest number was 20
-bash-3.2$ java RandomExerciseMethod
Please enter the range of random numbers to generate:
Enter the smallest number and largest number, separated by space:
9 12
12 10 9 11 9 12 10 11 10 11 11
The largest number was 12
-bash-3.2$

*/