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