CSVファイルのデータ削除

public class Csv {

  int columns;

  String fileName;

  List list = new ArrayList();

  public Csv(String fileName, int columns) {

     StreamRader sr = new StreamReader(fileName);

     String line;

     while((line = sr.readLine()) != null) {

        list.add(line.split(","));

     }

     sr.close();

  }

  public void set(int row, int col, String value) {

     String[] line = list.get(i);

     line[col] = value;

  }

  public String get(int row, int col) {

     return ((String[])list.get(i))[col];

  }



  public flush() {

     StreamWriter sw = new StreamWriter(fileName);

     Iterator it = list.iterator();

     while (it.hasNext()) {

        sw.write(((String[])it.next()).join(","));

     }

     sw.close();

  }

}