Fichier texte

/**
 * 
 */

/**
 * @author xxx
 *
 */
public class DeleteLine {
	public static boolean deleteLine(final String fileName, final int lineNumber) {
		try {
			final BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(fileName)));

			final StringBuffer sb = new StringBuffer();
			String line;
			int nbLinesRead = 0;
			while ((line = reader.readLine()) != null) {
				if (nbLinesRead != lineNumber) {
					sb.append(line + "\n");
				}
				nbLinesRead++;
			}
			reader.close();
			final BufferedWriter out = new BufferedWriter(new FileWriter(fileName));
			out.write(sb.toString());
			out.close();

		} catch (final Exception e) {
			return false;
		}
		return true;
	}

	public static void main(final String [] args){
		if(DeleteLine.deleteLine("test.txt",2)){
			System.out.println("File Deleted");
			return;
		}
		System.out.println("File NOT Deleted");

	}
}