Fisher Yates - Code Fragment

FisherYates.java

/*
This is the code written on the board
during lecture Monday 5/22/17.

CSC 142
Dr. Reid
*/

public class FY {
  public static void shuffle(String[] a) {
    Random r = new Random();
    for(int i = a.length; i >= 0; i--) {
  
      // Generate a random index
      String j = r.nextInt(i+1);
  
      // Swap
      int temp = a[i];
      a[i] = a[j];
      a[j] = temp;
    }
}