Java SecurityManager .checkAccess (Thread t)

public void checkAccess(Thread t)

public class Main extends SecurityManager {
/*  ww w . j  a  v a2s  .c om*/
   // check access needs to overriden
   @Override
   public void checkAccess(Thread t) {
      throw new SecurityException("Not allowed.");
   }

   public static void main(String[] args) {
      System.setProperty("java.security.policy", "file:/C:/java.policy");

      Main sm = new Main();

      System.setSecurityManager(sm);

      // check if accepting access for thread is enabled
      sm.checkAccess(Thread.currentThread());

      System.out.println("Allowed!");
   }
}