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Java Java Objects Creating the MVP Counting Scrabble Tiles

Posted by Zuzanna Kulej
Zuzanna Kulej
1,592 Points

I can't find syntax error..

public int getCountOfLetter(char letter) { int cnt = 0; char cArray = tiles.toCharArray(); for (int i = 0 : tiles.length()) { if(letter == cArray[i]) { cnt++; } } return cnt; }

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 letter) {
    int cnt = 0;
    char cArray = tiles.toCharArray();
    for (int i = 0 : tiles.length()) {
      if(letter == cArray[i]) {
        cnt++; 
      }
    }
    return cnt;
  }

}
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

Dave Harker
PLUS
Dave Harker
Courses Plus Student 15,510 Points
Dave Harker
Dave Harker
Courses Plus Student 15,510 Points

Hi Zuzanna Kulej,

Your code was really close! When I fixed up and checked it I was told by the challenge to use an advanced for to iterate through the array so I've changed it up (hope that's OK)

public int getCountOfLetter(char letter) {
    int cnt = 0;

    for (char c : tiles.toCharArray()) {
      if(c == letter) {
        cnt++; 
      }
    }
    return cnt;
  }

In case you were wondering 

char cArray = tiles.toCharArray(); // can't convert charArray to char... needed to be char[] cArray = tiles.toCharArray();

Your intial for loop is a mix between a traditional 'for' loop and a 'foreach' style loop.

But either way, very good effort. I hope the code above is self explanatory. If not let me know and I can elaborate further.

Happy coding,

Dave.

Dave Harker
Dave Harker
Courses Plus Student 15,510 Points
Dave Harker
Dave Harker
Courses Plus Student 15,510 Points

Zuzanna Kulej — You can mark the question solved by choosing a "Best Answer".
And happy coding!