public void test3()
{
try
{
System.out.println("Test");
MultiCastSender multiCastSender = new MultiCastSender() ;
multiCastSender.sendByMulticastSocket( testAddressString, port, message.getBytes("UTF_8"));
}
catch (UnsupportedEncodingException ex)
{
Logger.getLogger(MultiCastSenderTest.class.getName()).log(Level.SEVERE, null, ex);
}