This document contains code snippets from a Java web application that handles checkout and payment processing. It discusses refactoring the code to use object-oriented principles like extracting parameters into objects, defining method behaviors on objects, and improving readability. Key changes include creating a SessionContext object to encapsulate session data and payment rules, and validating the checkout state by calling methods on this context object rather than passing many parameters around.

1. MUSTER IN
WEBCONTROLLERN
arthur tomas
jens himmelreich

2. VIEW CONTROLLER
MODEL

3. VIEW CONTROLLER
MODEL

4. VIEW CONTROLLER
MODEL

5. EXKURS

6. VIEW CONTROLLER
MODEL

7. WebMVC

8. FUNK
TION

9. HYGI
ENE

11. VIEW CONTROLLER
MODEL

12. CONTROLLER

13. CONTROLLER
public static void main(String[] arguments) {
if(basket.isPaymentCreditCard()) {
if( customerService.isCreditCardLock(bask
log.info("CreditCard isLocked");
return new ModelAndView(urlComposer.g
}
CreditCardOrder order = creditCardOrder
if(isBankAuthenticationResponse(request))
log.debug("Bank response request with
credtitCartService.finalizeAuthentifi
} else {
AuthentificationIntermediateResponse
= creditCardService.beginAuthenti
urlComposer.getSslUrl("/Bes
if (authResponse.needs5dsecureAuthent
log.debug("CreditCard needs 5dsec
return show5dSecurePage(authRespo
}
}
if (creditCardService.isAuthenticationErr
log.info("creditCardService.isAuthent
return new ModelAndView(urlComposer.g
} else {
log.debug("creditCardService without
creditCardService.authorizePayment(ca

14. CONTROLLER

15. CONTROLLER
?

16. KOMPLEXES
SETUP

17. REQUEST
RESPONSE

19. EXPERIMENT

20. if(basket.isPaymentCreditCard()) {
if( customerService.isCreditCardLock(basket.getCardNumber()) ) {
log.info("CreditCard isLocked");
return new ModelAndView(urlComposer.getSslRedirectUrl("/Zahlungs
}
CreditCardOrder creditCardOrder =
creditCardOrderFactory.newPoseidonOrder(
if(isBankAuthenticationResponse(request)) {
log.debug("Bank response request with: CREDITCARD_5dSECURE_BANK_
creditCardService.finalizeAuthentification(get5dSecureBankRespon
} else {
AuthentificationIntermediateResponse authResponse
= poseidonService.beginAuthentification(poseidonOrder,
urlComposer.getSslUrl("/Bestell.html?submit1
if (authResponse.needs5dsecureAuthentication()) {
log.debug("CreditCard needs 5dsecureAuthentication!");
return show5dSecurePage(authResponse);
}
}
if (creditCardService.isAuthenticationError(creditCardOrder)) {
log.info("creditCardService.isAuthenticationError");
return new ModelAndView(urlComposer.getSslRedirectUrl("/Zahl
} else {
log.debug("creditCardService without AuthenticationError");
creditCardService.authorizePayment(creditCardOrder);
if (creditCardService.isSuccessfullAuthorized(creditCardOrder))
log.debug("creditCardService.isSuccessfullAuthorized");
basket.getPaymentMethod().setCardNumber(creditCardOrder.getA

21. CONTROLLER

22. REFACTORING

23. CLEAN

24. REZ
EPT

25. 1

26. 2

27. 3

28. 4

29. 5 TE
ST

30. 6

31. 7

32. 8 TE
ST

33. CLEAN

34. OBJEKTE
ERKENNEN

35. PARAMETER
OBJEKT

36. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule =
(PaymentRule)paymentRuleComposer.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

37. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule = paymentRuleComposer
.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

38. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule = paymentRuleComposer
.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);
Session session = modelBuilde
Basket basket = modelBuilder.
Customer customer = modelBuil
PaymentRule paymentRule = pay

39. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule =
(PaymentRule)paymentRuleComposer.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

40. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule =
(PaymentRule)paymentRuleComposer.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

41. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule =
(PaymentRule)paymentRuleComposer.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);
(session, basket, modelBuilder)

42. public class SessionContext {
private ModelBuilder modelBuilder;
private PaymentRule paymentRule;
private boolean needsUpdate;
public SessionContext(
ModelBuilder modelBuilder,
RuleComposer rulecomposer) {
this.needsUpdate = false;
this.modelBuilder = modelBuilder;
this.paymentRule = createPaymentRule(rulecomposer);
}
// ...
}

43. public class SessionContext {
private ModelBuilder modelBuilder;
private PaymentRule paymentRule;
private boolean needsUpdate;
public SessionContext(
ModelBuilder modelBuilder,
RuleComposer rulecomposer) {
this.needsUpdate = false;
this.modelBuilder = modelBuilder;
this.paymentRule = createPaymentRule(rulecomposer);
}
// ...
}

44. public class SessionContext {
private ModelBuilder modelBuilder;
private PaymentRule paymentRule;
private boolean needsUpdate;
public SessionContext(
ModelBuilder modelBuilder,
RuleComposer rulecomposer) {
this.needsUpdate = false;
this.modelBuilder = modelBuilder;
this.paymentRule = createPaymentRule(rulecomposer);
}
// ...
}
SessionContext(
ModelBuilder modelBuilder,
RuleComposer rulecomposer)

45. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule =
(PaymentRule)paymentRuleComposer.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

46. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule =
(PaymentRule)paymentRuleComposer.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

47. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(
modelBuilder,
paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(context);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(context);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

48. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(context);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);
SessionContext context =
new SessionContext(
modelBuilder,
paymentRuleComposer);

49. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(context);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(context);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);
disableDesired-
DeliveryDate(context);

50. ECHTES
OBJEKT

51. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(context);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(context);
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

52. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(context);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
context.disableDesiredDeliveryDate();
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

53. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(context);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
context.setDesiredDeliveryDate();
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);
context.
disableDesiredDeliveryDate();

54. METHODEN
OBJEKT

55. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(context);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
context.disableDesiredDeliveryDate();
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

56. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(context);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
context.disableDesiredDeliveryDate();
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);

57. @Override
protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
context.disableDesiredDeliveryDate();
CountryCode cc =
catalogService.getCountryCodeByIsoCode2(basket.getCountryToDeliver());
logInfos(basket);
putDataToModel(modelBuilder, basket, cc);
getMavIfStateIsNot-
ValidForCheckout(context)

58. private ModelAndView getMavIfStateIsNotValidForCheckout(
SessionContext context) {
if( !context.getBasket().hasLineItems() ) {
return new ModelAndView(redirectCartView);
}
if(!context.getBasket().hasInvoiceAddress()) {
return new ModelAndView(redirectInvoiceView);
}
if(!context.getBasket().isValidForCheckout(paymentRule)) {
if( !context.getBasket().isFurnitureOk()
|| !context.getBasket().isPaymentMethodAllowed(
context.getPaymentRule())
|| !context.getBasket().isPaymentMethodValid()) {
return new ModelAndView(redirectInvoiceAndDeliveryView);
}
return new ModelAndView(redirectInvoiceView);
}
return null;
}

59. private ModelAndView getMavIfStateIsNotValidForCheckout(
SessionContext context) {
if( !context.getBasket().hasLineItems() ) {
return new ModelAndView(redirectCartView);
}
if(!context.getBasket().hasInvoiceAddress()) {
return new ModelAndView(redirectInvoiceView);
}
if(!context.getBasket().isValidForCheckout(paymentRule)) {
if( !context.getBasket().isFurnitureOk()
|| !context.getBasket().isPaymentMethodAllowed(
context.getPaymentRule())
|| !context.getBasket().isPaymentMethodValid()) {
return new ModelAndView(redirectInvoiceAndDeliveryView);
}
return new ModelAndView(redirectInvoiceView);
}
return null;
}

60. private ModelAndView getMavIfStateIsNotValidForCheckout(
SessionContext context) {
if( !context.getBasket().hasLineItems() ) {
return new ModelAndView(redirectCartView);
}
if(!context.getBasket().hasInvoiceAddress()) {
return new ModelAndView(redirectInvoiceView);
}
if(!context.getBasket().isValidForCheckout(paymentRule)) {
if( !context.getBasket().isFurnitureOk()
|| !context.getBasket().isPaymentMethodAllowed(
context.getPaymentRule())
|| !context.getBasket().isPaymentMethodValid()) {
return new ModelAndView(redirectInvoiceAndDeliveryView);
}
return new ModelAndView(redirectInvoiceView);
}
return null;
}
!context.get
!context.get
context.get
!context.get

61. public CheckOutState(Basket basket, PaymentRule rule) {
this.basket = basket;
this.rule = rule;
}
public CheckOutStep nextStep() {
if (basket.isEmpty())
return CART;
if (basket.isValidForCheckout(rule))
return LAST_CHECK;
if ((!basket.hasInvoiceAddress())
|| (basket.isFurnitureOk()
&& basket.isPaymentMethodAllowed(rule)
&& basket.isPaymentMethodValid()))
return INVOICE_ADDRESS;
return PAYMENT_AND_DELIVERY;
}

62. public CheckOutState(Basket basket, PaymentRule rule) {
this.basket = basket;
this.rule = rule;
}
public CheckOutStep nextStep() {
if (basket.isEmpty())
return CART;
if (basket.isValidForCheckout(rule))
return LAST_CHECK;
if ((!basket.hasInvoiceAddress())
|| (basket.isFurnitureOk()
&& basket.isPaymentMethodAllowed(rule)
&& basket.isPaymentMethodValid()))
return INVOICE_ADDRESS;
return PAYMENT_AND_DELIVERY;
}
CheckOutState(
Basket basket,
PaymentRule rule)

63. private ModelAndView handleOrderRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
CheckOutState state =
new CheckOutState(
context.getBasket(),
context.getPaymentRule());
if (!state.isValidForCheckOut())
return modelAndViewFor(state.nextStep());
context.disableDesiredDeliveryDate();

64. private ModelAndView handleOrderRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
CheckOutState state =
new CheckOutState(
context.getBasket(),
context.getPaymentRule());
if (!state.isValidForCheckOut())
return modelAndViewFor(state.nextStep());
context.disableDesiredDeliveryDate();

65. private ModelAndView handleOrderRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
CheckOutState state =
new CheckOutState(
context.getBasket(),
context.getPaymentRule());
if (!state.isValidForCheckOut())
return modelAndViewFor(state.nextStep());
context.disableDesiredDeliveryDate();
state =
new CheckOutState(
context.getBasket(),
context.getPaymentRule());

66. protected ModelAndView handleSslRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
if( isNotAuthorizised(request, modelBuilder)){
return handleLogin(request, response, modelBuilder);
}
Session session = modelBuilder.getSession();
Basket basket = modelBuilder.getBasket();
Customer customer = modelBuilder.getCustomer();
PaymentRule paymentRule =
(PaymentRule)paymentRuleComposer.compose(basket, customer);
ModelAndView escapeModelAndView =
getMavIfStateIsNotValidForCheckout(basket, paymentRule, session);
if(escapeModelAndView != null) {
return escapeModelAndView;
}
disableDesiredDeliveryDate(session, basket, modelBuilder);

67. private ModelAndView handleOrderRequest(HttpServletRequest request,
HttpServletResponse response, ModelBuilder modelBuilder)
throws Exception {
SessionContext context =
new SessionContext(modelBuilder, paymentRuleComposer);
CheckOutState state =
new CheckOutState(
context.getBasket(),
context.getPaymentRule());
if (!state.isValidForCheckOut())
return modelAndViewFor(state.nextStep());
context.disableDesiredDeliveryDate();

68. ER
GO

69. OBJEKT
≠DING

70. OBJEKT = DING

71. OBJEKT ≠ DING

72. SEIHEB
AMME

73. OBJEKTE
ERKENNEN

74. OBJEKTE
GEBÄREN

75. OBJEKTE
PFLEGEN

76. OBJEKT
≠DING
SEIHEB
AMME

77. EN
DE

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