public ConformanceContactComponent addContact() { //3
      ConformanceContactComponent t = new ConformanceContactComponent();
      if (this.contact == null)
        this.contact = new ArrayList<ConformanceContactComponent>();
      this.contact.add(t);
      return t;
    }
public ConformanceContactComponent addContact ( ) { ConformanceContactComponent t = new ConformanceContactComponent ( ) ; if ( this . contact == null ) this . contact = new ArrayList < ConformanceContactComponent > ( ) ; this . contact . add ( t ) ; return t ; }
syntactic sugar