int[] playerRoll = new int[thePlayers.size()];		
      for(int k = 0; k <thePlayers.size(); k++)
		{
			
			playerRoll[k] = theDice.roll();
			while(isTie(k, playerRoll ) {
                            playerRoll[k] = theDice.roll();
                        }

					
		}
........
.......
........

private boolean isTie(int playerIndex, int playersRoll) {
  for(int i=0; i < players.size(); i++) {
     if(i != playerIndex && playersRoll[i] == playersRoll[playerIndex])
         return true;
  }
  return false;
}