Java Data Type Tutorial - Java SecurityManager .checkMulticast (InetAddress maddr)








Syntax

SecurityManager.checkMulticast(InetAddress maddr) has the following syntax.

public void checkMulticast(InetAddress maddr)

Example

In the following code shows how to use SecurityManager.checkMulticast(InetAddress maddr) method.

import java.net.InetAddress;
/*  w w  w  .j a  va 2  s .  c  om*/
public class Main extends SecurityManager {

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

      InetAddress add = InetAddress.getLocalHost();
  
      System.setProperty("java.security.policy", "file:/C:/java.policy");
      Main sm = new Main();
      System.setSecurityManager(sm);

      sm.checkMulticast(add);

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