Apagar num File

private void readPlayer(String playerName) {
		BufferedReader br;
		StringTokenizer stringT;
		String line;
		try {
			br = new BufferedReader(new FileReader(filename));

			while ((line = br.readLine()) != null) {
				stringT = new StringTokenizer(line);
				while (stringT.hasMoreTokens()) {
					if (stringT.nextToken().equalsIgnoreCase(playerName)) {
						playerNameValue.setText(playerName);
						numberGamesTotalValue.setText(stringT.nextToken());
						easyGamesValue.setText(stringT.nextToken());

						return;
					} else {
						playerNameValue.setText(playerName);
						numberGamesTotalValue.setText("0");
						easyGamesValue.setText("0");

					}
				}
			}
			br.close();
		} catch (IOException e) {
			System.out.println("Error Reading File " + e.getMessage());
		}

	}