Java FilePermission .newPermissionCollection ()

public PermissionCollection newPermissionCollection()

/*from   ww w.j  a  va2s .c  o  m*/

import java.io.FilePermission;
import java.io.IOException;
import java.security.PermissionCollection;

public class Main {

  public static void main(String[] args) throws IOException {

    // create new file permissions
    FilePermission  fp = new FilePermission("C://test.txt", "read");

    // create new permission collection
    PermissionCollection  pc = fp.newPermissionCollection();

    // add permission to the permission collection
    pc.add(fp);

    if (pc.implies(new FilePermission("C://test.txt", "read"))) {
      System.out.println("Permission for C://test.txt is read");
    }
  }
}