public void sendAddEntity(Entity entity){
  ArrayList<Entity> entities=new ArrayList<Entity>(1);
  entities.add(entity);
  sendAddEntity(entities);
}

public void sendAddEntity ( Entity entity ) { ArrayList < Entity > entities = new ArrayList < Entity > ( 1 ) ; entities . add ( entity ) ; sendAddEntity ( entities ) ; }
sends an " add entity " packet with only one entity .
