import java.io.FileWriter;
import java.io.IOException;

public class Main {
  public static void main(String[] args) {
    try {
      FileWriter myWriter = new FileWriter("filename.txt");
      myWriter.close();
      myWriter.write("Hello World");
    } catch (IOException e) {
      System.out.println("Error: the file is already closed.");
    }
  }
}