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Java Java Objects Creating the MVP Counting Scrabble Tiles

Amulya Arora
Amulya Arora
6,133 Points
Posted by Amulya Arora
Amulya Arora
6,133 Points

What should i do here

It's just showing a missing return statement problem

ScrabblePlayer.java 
public class ScrabblePlayer {
  // A String representing all of the tiles that this player has
  private String tiles;

  public ScrabblePlayer() {
    tiles = "";
  }

  public String getTiles() {
    return tiles;
  }

  public void addTile(char tile) {
    tiles += tile;
  }

  public boolean hasTile(char tile) {
    return tiles.indexOf(tile) != -1;
  }
  public int getCountOfLetter(char tile) { 
    int counter = 0;     
    if (tiles.indexOf(tile) != -1) {
         counter ++;
       }          
  }
}
Example.java 
// This code is here for example purposes only
public class Example {

  public static void main(String[] args) {
    ScrabblePlayer player1 = new ScrabblePlayer();
    player1.addTile('d');
    player1.addTile('d');
    player1.addTile('p');
    player1.addTile('e');
    player1.addTile('l');
    player1.addTile('u');

    ScrabblePlayer player2 = new ScrabblePlayer();
    player2.addTile('z');
    player2.addTile('z');
    player2.addTile('y');
    player2.addTile('f');
    player2.addTile('u');
    player2.addTile('z');

    int count = 0;
    // This would set count to 1 because player1 has 1 'p' tile in her collection of tiles
    count = player1.getCountOfLetter('p');
    // This would set count to 2 because player1 has 2 'd'' tiles in her collection of tiles
    count = player1.getCountOfLetter('d');
    // This would set 0, because there isn't an 'a' tile in player1's tiles
    count = player1.getCountOfLetter('a');

    // This will return 3 because player2 has 3 'z' tiles in his collection of tiles
    count = player2.getCountOfLetter('z');
    // This will return 1 because player2 has 1 'f' tiles in his collection of tiles
    count = player2.getCountOfLetter('f');
  }
}

1 Answer

Chris Gauthier
PLUS
Chris Gauthier
Courses Plus Student 6,434 Points
Chris Gauthier
Chris Gauthier
Courses Plus Student 6,434 Points

Hm...well, one error I noticed was here:

public int getCountOfLetter(char tile) { 
    int counter = 0;     
    if (tiles.indexOf(tile) != -1) {
         counter++;
       }          
  }

Well, here you have a method setup to return an int, but there's no int being returned.

ie. you will have to return an int in the if statement like this:

if (tiles.indexOf(tile) != -1) {
    return counter;
}

and then be super careful with your next step, because if your tile.indexOf line fails, you will not be returning an int and this might cause an error in the compiler too.

Hope that helps, and let me know if that worked for you,

Chris

Moderator Edit: Moved response from Comments section to Answers.