/* FirstNumberDup.java
   CS 111A Solution to In-class exercise 4.5
   Determine if there are duplicates of the first number in a series
   by Craig Persiko
*/

import java.util.Scanner;

public class FirstNumberDup
{
  public static void main(String[] args)
  {
    Scanner scan = new Scanner(System.in);
    double[] nums = new double[10];
    boolean dup = false;

    System.out.println("Please enter 10 numbers:");
    for(int i=0; i<10; i++)
      nums[i] = scan.nextDouble();

    for(int j=1; j<10 && !dup; j++) // starting with element 1
      if(nums[0] == nums[j])
        dup = true;

    if(dup)
      System.out.println("Yes, the " + nums[0] + " is duplicated");
    else
      System.out.println("No, the " + nums[0] + " is not duplicated");
  }
}

/* Sample Output:

Please enter 10 numbers:
5 4 3 2 1 5 6 7 8 9
Yes, the 5 is duplicated

Please enter 10 numbers:
4 3 2 1 2 3 5 6 7 8
No, the 4 is not duplicated

*/