import java.io.File;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    File myFile = new File("filename.txt");
    myFile.createNewFile();
    System.out.println(myFile.setReadOnly());
    System.out.println(myFile.canWrite());
    myFile.setWritable(true);  // Make the file writable again
  }
}