i have count and i get a result from console, i don`t know what else try to pass the test.

public class ScrabblePlayer {
  private String mHand;

  public ScrabblePlayer() {
    mHand = "";
  }

  public String getHand() {
   return mHand;
  }

  public void addTile(char tile) {
    // Adds the tile to the hand of the player
    mHand += tile;
  }

  public boolean hasTile(char tile) {
   return mHand.indexOf(tile) > -1;
  }

  public void getTileCount(char display){
  String msg = " ";
    int counter = 0;
    for (char tile : mHand.toCharArray()){

      if (mHand.indexOf(tile) >= 0){
      display = tile;
        msg += display;
        counter++;
      }
    }
  System.out.printf("El mensaje es: %s\n", msg);
    System.out.printf ("el puntaje es %d\n", counter);

  }
}