public AmqpSender(AmqpSession session,String address,String senderId){
  if (address != null && address.isEmpty()) {
    throw new IllegalArgumentException("Address cannot be empty.");
  }
  this.session=session;
  this.address=address;
  this.senderId=senderId;
  this.userSpecifiedTarget=null;
}

public AmqpSender ( AmqpSession session , String address , String senderId ) { if ( address != null && address . isEmpty ( ) ) { throw new IllegalArgumentException ( "Address cannot be empty." ) ; } this . session = session ; this . address = address ; this . senderId = senderId ; this . userSpecifiedTarget = null ; }
create a new sender instance .
