Create a file and set it to read-only in Java

/*  w  ww.  jav  a 2s.co m*/
import java.io.File;
import java.io.IOException;
public class Main {

    public static void main (String[] args) throws IOException {
       // Create a new file, by default canWrite=true,readonly=false
        File file = new File ("test.txt");
        if (file.exists ()) {
            file.delete ();
        }
        file.createNewFile ();
        System.out.println ("Before. canWrite?" + file.canWrite ());

        // set to read-only, atau canWrite = false */
        file.setWritable (false);
        System.out.println ("After. canWrite?" + file.canWrite ());
    }
}