public NtpMessage(){
  this.mode=3;
  this.transmitTimestamp=(System.currentTimeMillis() / 1000.0) + 2208988800.0;
}

public NtpMessage ( ) { this . mode = 3 ; this . transmitTimestamp = ( System . currentTimeMillis ( ) / 1000.0 ) + 2208988800.0 ; }
constructs a new ntpmessage in client - > server mode , and sets the transmit timestamp to the current time .
