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Test TAW12 - ingles

Question 1 of 67

1

A progran needs to gain eecess to the public attributes of
class lcl_course. Identi(y the statenents that are valid.

class lcl_course definition.
public section.
data: name(15) type c value 'ABAPObjects101'.
class-data price type p value 100.

private section.
data: category(10) type C value 'Objects'.

endclass.

data: course1 type ref to lcl_course,
course_name type string,
course_price type p,
course_category type string.

**INSTANTIATION OMITTED **

Select one or more of the following:

  • course_name = name

    (More than one answer is correct)

  • name can not be accessed unless course1 is instantiated

  • course_name = course1=>name.

  • course_name = course1->name.

  • course_price = lcl_course=>price.

Explanation

Question 2 of 67

1

The concept of restricting direct access to data via
hidden interna! processes is best represented by "wich
term"

Select one of the following:

  • Instantiation

  • Encapsulation

  • Inheritance

  • Polymorphism

Explanation

Question 3 of 67

1

Identify the characteristics of the self reference ME

Select one of the following:


  • Self references allow an object to give other objects
    a reference to it.

  • The self-reference ME can be used to access
    individual components

  • All answers are correct

  • None of the answers are correct

  • The reference ME can be used to determine the
    dynamic type of the reference variable in the
    debugger

Explanation

Question 4 of 67

1

The syntax for instance method specification is

(More than one answer is correct)

Select one or more of the following:

  • Call method Objref=>method

  • Call Method->Objref

  • Call method (from within another instance method)

  • Call method Objref->method

Explanation

Question 5 of 67

1

what syntax provides access to individual components of a
class within the class

(More than one answer is correct)

Select one or more of the following:

  • CALL METHOD object instance->ME->

  • ME->

  • CALL METHOD ME->

  • object instance->ME->

Explanation

Question 6 of 67

1

Identify the ABAP OO Event signature protocols

(More than one answer is correct)

Select one or more of the following:

  • Events can only have exporting Parameters

  • Exporting parameters can only be passed by
    reference

  • Exporting parameters can only be passed by value

  • Events can only have importing Parameters

Explanation

Question 7 of 67

1

Mark the item that is NOT true about the handler table

Select one of the following:


  • Event handler methods are called in the sequence that they were registered in the handler table

  • There is a separate handler table for every object that has defined events

  • Registered Methods in the handler table can only be triggered by RAISE EVENT i.e. not by CALL METHOD

  • A single SET Handler command can be used to register multiple handler methods in the handler table

Explanation

Question 8 of 67

1

In the following nethod, what other parameters are allowed

CLASS lcl_course DEFINITION.
PUBLIC SECTION.
METHODS: get_course_name
IMPORTING im_name type string
Returning value(student_count) type I
.
ENDCLASS.

Select one of the following:

  • Exceptions

  • Exporting

  • Changing

  • Receiving

Explanation

Question 9 of 67

1

What inplications ex.ist when private conponents of a class
are chanaged

Select one of the following:


  • Users of the private components must change their
    interface

  • Any programs accessing the class must also change

  • Programs are insulated from change

  • None of the answers are correct

Explanation

Question 10 of 67

1

Finish the following sentence so that it is TRUE.
Static Components in an inheritance relationship.......

(More than one answer is correct)

Select one or more of the following:


  • does not allow for methods to be redefined in
    subclasses

  • cannot be shared

  • exist once per roll area


  • receive their own copy of the static attribute for each
    subclass

Explanation

Question 11 of 67

1

Choose the correct redefinition of the superclass nethod
in class lcl_super_course

*Super Class Definition
CLASS lcl_super_course DEFINITION.
PUBLIC SECTION.
METHODS: get_course_name IMPORTING im_name type s
tring.
ENDCLASS.

*Sub Class Method ReDefinition
A
CLASS lcl_sub_course DEFINITION INHERITING
FROM lcl_super_course.
PRIVATE SECTION.
METHODS: get_course_name IMPORTING im_name type s
tring.
ENDCLASS.

B
CLASS lcl_sub_course DEFINITION INHERITING
FROM lcl_super_course.
PUBLIC SECTION.
METHODS: get_course_name IMPORTING im_name type s
tring.
ENDCLASS.

CLASS lcl_sub_course DEFINITION INHERITING
FROM lcl_super_course.
PRIVATE SECTION.
METHODS: get_course_name REDEFINITION.
ENDCLASS.

CLASS lcl_sub_course DEFINITION INHERITING
FROM lcl_super_course.
PUBLIC SECTION.
METHODS: get_course_name REDEFINITION.
ENDCLASS.

Select one of the following:

  • SubClass Definition B

  • SubClass Definition A

  • SubClass Definition C

  • SubClass Definition D

Explanation

Question 12 of 67

1

In the context or Triggering and Handling or Events, mark
those which apply

(More than one answer is correct)

Select one or more of the following:


  • Events can be triggered with the “Trigger Event”
    command

  • Methods must be registered to an event in order to
    be called when the event is triggered

  • An event is defined in the Implementation of a Class

  • Event Triggering using “Raise Event” can be issued
    in a method

Explanation

Question 13 of 67

1

An inherited class:

(More than one answer is correct)

Select one or more of the following:

  • can remove superclasss components

  • can add components over and above the superclass

  • can access the inherited private components

  • can redefine the public methods of the superclass

  • can not access the protected components

Explanation

Question 14 of 67

1

What is contained in a class that does nor exist in an interface

Select one of the following:

  • implementation

  • attributes

  • method

  • definition

Explanation

Question 15 of 67

1

How can a program access private attributes of an object

Select one of the following:


  • By methods of a different object within the same
    Program

  • Only by methods of the specific object itself


  • By methods of a different instance of the same
    object

  • From outside the class

Explanation

Question 16 of 67

1

Which of the following answers characterize ABAP 00 events

(More than one answer is correct)

Select one or more of the following:

  • Classes subscribe to events

  • Classes trigger events

  • Events subscribe to classes

  • Methods subscribe to classes

  • Start-of-selection is an OO event

Explanation

Question 17 of 67

1

Mark the items that characterize some primary differences
between objects and functions

(More than one answer is correct)

Select one or more of the following:

  • Functions allow multiple instances of the same data
    objects. Objects only allow single instances of data

  • Calling a function loads the entire function group
    implicitly into memory whereas instances of an
    object are generated explicitly when an object is
    created


  • A program can only work with a single instance of
    the same function group versus a program can
    access several instances of the same object


  • A program can directly access data in the function
    group while access to data in an object is not
    possible

Explanation

Question 18 of 67

1

A public attribute 'color' is added to a superclass. A
subclass already has the same attribute 'color'. What is
the outcome?

(More than one answer is correct)

Select one or more of the following:

  • The subclass is invalidated

  • A syntax message will occur

  • The superclass is invalidated

  • A runtime error will occur

Explanation

Question 19 of 67

1

Where would the conponents of a class be defined

Select one of the following:

  • Logic component of a program

  • Implementation part of a class

  • Data Component of a program

  • Definition part of Class

Explanation

Question 20 of 67

1

Select the term used for Classes that can implement the same method differently

Select one of the following:

  • polymorphism

  • inheritance

  • encapsulation

  • casting

  • instantiation

Explanation

Question 21 of 67

1

What are the rules for event parameters

(More than one answer is correct)

Select one or more of the following:


  • EXPORTING Parameters for events can only be
    passed by value

  • EXPORTING Parameters for events can only be
    passed by reference

  • Events can only have EXPORTING parameters

  • Events also allow RETURNING parameters

Explanation

Question 22 of 67

1

When redefining methods in a subclass what is allowed?

(More than one answer is correct)

Select one or more of the following:

  • Code can be changed

  • Only Instance methods

  • Signature can be changed

  • Private Static methods

Explanation

Question 23 of 67

1

define Polynorphisn

(More than one answer is correct)

Select one or more of the following:


  • it’s a characteristic when methods of the same class
    react differently to the same method call

  • it’s one of the main strengths of inheritance


  • it’s a characteristic when methods from different
    classes react differently to the same interface


  • the same method is implemented in different ways
    by redefining the method in subclasses


  • it’s a characteristic when objects from different
    classes react differently to the same method call

Explanation

Question 24 of 67

1

What are the methods of a class implemented

Select one of the following:

  • Object instantiation part of a program

  • Implementation part of a class

  • Definition part of Class

  • Call method of the class

Explanation

Question 25 of 67

1

Your proera" has re¡i.stered severa! handler "ethods. How
does the pro¡ra" know what "ethods are available for
e>eecution when an event is tr i,a:a;ered

your program has registered a several handler method.
how does the program know what methos are available for execution when an event is triggered

Select one of the following:


  • the system looks for registered handler methods In
    the registry table and processes those that are
    registered for the event

  • the system looks for registered handler methods In
    the event handler internal table and processes
    those that are registered for the event


  • The methods defined in the Class Definition listen
    for raised events and respond when an event is
    triggered

  • It is determined by the RAISE Event command

Explanation

Question 26 of 67

1

A progran needs to gain access to the public attributes of
class lcl_course. Identify the statenents that are valid.

class lcl_course definition.

public section.
data: name(15) type c value 'ABAPObjects101
'.
class-data price type p value 100.

private section.
data: category(10) type C value 'Objects'.

endclass.

data: course1 type ref to lcl_course,
course_name type string,
course_price type p,
course_category type string.

Create Object course1.

(More than one answer is correct)

Select one or more of the following:

  • course_price = lcl_course=>price.

  • course_name = course1->name.

  • course_name = course1=>name.

  • course_name = name

  • course_price = lcl_course->price.

Explanation

Question 27 of 67

1

Class A provides (riendship to Class 8. Class 8 provides
friendship to Class C. Identify the valid friend relationship.

(More than one answer is correct)

Select one or more of the following:

  • C is friend of A

  • C is friend of B

  • A is friend of B and C

  • B and C are friends of A

  • B is friend of A

Explanation

Question 28 of 67

1

Pick the syntax for a functional nethod with only 1 parameter

(More than one answer is correct)

Select one or more of the following:

  • refvar->method returning()

  • refvar->method(p1)

  • refvar->method(im = p1)

  • refvar->method receiving()

Explanation

Question 29 of 67

1

In object orientation, the term USER includes

Select one of the following:

  • Events

  • Attributes

  • All of the answers are correct

  • None of the answers are correct

Explanation

Question 30 of 67

1

Initializing an object in a subclass requires that the
constructor or the superclass is first called. Identifiy the
correct siyntax.

Select one of the following:

  • Call Method Super Constructor

  • Call Method Super-> Constructor

  • Call Method Constructor

  • Call Method Constructor-> Super

Explanation

Question 31 of 67

1

Identify the valid statenents that will write out the
Static Attributes in the following code

class lcl_course definition.

public section.
data: name(15) type c value 'ABAPObjects101'.
class-data price type p value 100.

private section.
data: category(10) type C value 'Objects'.

endclass.

data: course1 type ref to lcl_course,
course_name type string,
course_price type p,
course_category type string.

(More than one answer is correct)

Select one or more of the following:

  • course_price = lcl_course=>price. Write course_price.

  • write: price.

  • write lcl_course=>price.

  • write lcl_course->price.

Explanation

Question 32 of 67

1

The syntax for static method specification

Select one of the following:

  • Call method class name->method

  • Call method class name =>method

  • Call class-method


  • Call Method-> class name

Explanation

Question 33 of 67

1

what triggers an event

Select one of the following:

  • Raise Event Inside the Method

  • Call Method

  • None of the answers are correct

  • All answers are correct

Explanation

Question 34 of 67

1

what can be said about the visibility of attributes in the
following ina code

CLASS lcl_course DEFINITION.
PUBLIC SECTION.
Data: name type string.

PRIVATE SECTION.
Data: price type course-price.

ENDCLASS.

(More than one answer is correct)

Select one or more of the following:

  • price is protected from outside access

  • price is available to methods inside the class


  • name is available to methods only inside the class

  • name is protected from outside access

Explanation

Question 35 of 67

1

mark the operator used to widen cast of a class

Select one of the following:

  • =>

  • =?

  • ->

  • ?=

  • =

Explanation

Question 36 of 67

1

Identify the statements that best describe the visibility
of classes
(More than one answer is correct)

Select one or more of the following:


  • Local Classes are available only to the program
    where the class is defined

  • Global classes are centrally available to all ABAP
    programs


  • Local Classes are available only to programs in the
    same development class

  • Global Classes are available only from programs
    belonging to the same development class

Explanation

Question 37 of 67

1

Changing the view of an instance of a class with "ore
details is referred to as

Select one of the following:

  • narrowing cast

  • up cast

  • widening cast

  • dynamic referencing

Explanation

Question 38 of 67

1

what happens when the Set Handler Command is executed

Select one of the following:

  • An instance of the event is created

  • The Event Handler Method is registered

  • The Event is triggered

  • The Event is handled

Explanation

Question 39 of 67

1

mark the items that characterize the methods of a Class
(More than one answer is correct)

Select one or more of the following:

  • Can change the state of an object

  • Can access only public attributes in their class

  • Can access all attributes in their class

  • Can be defined with a parameter interface

  • Only pass return codes to the calling program

Explanation

Question 40 of 67

1

Refer to the following code and indicate which statenents are true

Data: cl_container type ref to cl_gui_custom_container,
cl_grid type ref to cl_gui_alv_grid.

(More than one answer is correct)

Select one or more of the following:


  • cl_grid points to the object that communicates with the ALV
    grid control

  • cl_grid points to the object that communicates with the
    container control


  • cl_container points to the object that communicates with the
    ALV grid control

  • cl_container points to the object that communicates with the
    container control

Explanation

Question 41 of 67

1

Local Class lcl_course has been clefined in a progran
belonging to developnent class ZCL. wlhat is the key entry
in the repository table TADIR

Select one of the following:

  • R3TR CLASS

  • R3TR LOCAL CLASS

  • None of the answers are correct

  • R3TR ZCL CLASS

  • R3TR lcl_class

Explanation

Question 42 of 67

1

A MOVE_CAST_ERROR runtine error just occurred. Identify
the cause.

Select one of the following:


  • Super class and subclass both point to an instance
    of the same class type

  • Casting a super class to a subclass when
    superclass does not point to an instance of the
    subclass type

  • Subclass reference variable correpsonds to the
    superclass reference variable

  • Super class method is called from the subclass

Explanation

Question 43 of 67

1

Refer to the following code and Select the VRLID method
call

Class lcl_course definition.
Public section.
data: course_name(12) type c.
methods: display_price
importing im_course_name type string.

Private section.

Data: price type P value 100.
constants: c_objects101(10) type c value 'OBJECTS
101'.

endclass.

class lcl_course implementation.

method display_price.
course_name = im_course_name.
If course_name = c_objects101.
Write: price.
Endif.
endmethod.

endclass.

Data obj_course type ref to lcl_course.

start-of-selection.

create object obj_course.

Select one of the following:


  • Call method obj_course->display_price exporting
    im_course_name = 'OBJECTS101'.

  • Call method obj_course->display_price importing
    im_course_name = 'OBJECTS101'.


  • Call method obj_course->display_price exporting
    course_name = 'OBJECTS101'.

  • Call method obj_course->display_price exporting
    im_course_name = c_objects101.

Explanation

Question 44 of 67

1

Using example code below, choose the correct syntax for
the redefined method

Class lcl_car definition.
Public Section.
method calc_speed importing im_distance type ty_dist
.
End Class.

Select one of the following:

  • Method calc_speed importing im_distance.

  • Method calc_speed Redefinition.

  • Method calc_speed importing im_distance Redefinition

  • Method calc_speed Redefinition importing im_distance type
    ty_dist.

Explanation

Question 45 of 67

1

what can be said about the lifeti,e of an object

Select one of the following:

  • All answers are correct


  • A
    an object exists for as long as it is being used in the
    program


  • An object exists as long as at least one reference
    points to it

  • An object exists as long as at least one method of
    the object is registered as an event handler.

Explanation

Question 46 of 67

1

Global Class cl_course has been defined using the class
builder. The developnent class is ZCL. Mhat is the ke~
entr~ in the repositoru table TAOIR

Select one of the following:

  • R3TR ZCL CLASS

  • None of the answers are correct

  • R3TR CLAS cl_course

  • R3TR cl_course


  • R3TR GLOB CLASS

Explanation

Question 47 of 67

1

what statenent will request memory to be allocated to an
object

Select one of the following:

  • Call Constructor

  • Create Object

  • Call Method

  • Create Constructor

Explanation

Question 48 of 67

1

Refer to the followina code and identify the statenents that are TRUE

(More than one answer is correct)

CLASS lcl_course DEFINITION.
PUBLIC SECTION.
METHODS: get_course_name IMPORTING im_name type s
tring.
CLASS-METHODS: list_prices_and_discounts.
ENDCLASS.

CLASS lcl_course IMPLEMENTATION.
METHOD get_course_name.
ENDMETHOD.

METHOD list_prices_and_discounts.
ENDMETHOD.
ENDCLASS.

Data: course1 type ref to lcl_course,
course2 type ref to lcl_course.

Start-of-selection.

Create object course1.
Course2 = course1.

Select one or more of the following:

  • method list_prices_and_discounts is a static method

  • Method list_prices_and_discounts can only be called once

  • list_prices_and_discounts is a instance method

  • Memory is reserved for 2 instances of lcl_course

  • Only one instance of method get_course_name exists

  • Only one instance of method list_prices_and_discounts
    exists

Explanation

Question 49 of 67

1

Identify the Characteristics of a final Class

Select one of the following:

  • No answers are correct

  • all answers are correct

  • methods cannot be explicitly designated as FINAL

  • contains final methods implicitly

  • cannot have subclasses

Explanation

Question 50 of 67

1

Usine the UML modeling language for ABAP 00 desing refer
to the follow.ine and indicate .icate the visibity of the componets

-------------------
| cl_myclass |
-------------------
| +city |
| #address |
|-----------------|
| + get_city() |
| - display_addr()|
| |
|-----------------|
(More than one answer is correct)

Select one or more of the following:

  • get_city is a public attribute

  • address is protected attribute

  • display_address is a public method

  • display_address is a static public method

  • display_address is a private method

  • city is a public attribute

Explanation

Question 51 of 67

1

Identify the behaviors of Abstract Classes.
(More than one answer is correct)

Select one or more of the following:

  • Methods can only be implemented in the subclass

  • Can only be implemented through an Interface

  • Cannot be instantiated

  • Methods can not be implemented in the subclass

Explanation

Question 52 of 67

1

what is possible uith a subclass in an inheritance
relationship to the superclass
(More than one answer is correct)

Select one or more of the following:



  • The subclass can remove components of the
    superclass

  • can add new components to the subclass


  • can provide inherited methods with new
    implementations (redefinition)

  • inherits all the characteristics of the superclass


  • Components defined in the superclass are not
    present in the subclass unless they are explicitly
    defined in the definition of the subclass

Explanation

Question 53 of 67

1

In the context of polmorphisn and interfaces, mark the
item that is NOT true

Select one of the following:


  • the user is protected from the actual
    implementations

  • interfaces describe the point of contact of a class

  • interfaces contain their own implementation part

  • a class can implement any number of interfaces

Explanation

Question 54 of 67

1

Select the answers that apply to static methods and
instance methods
(More than one answer is correct)

Select one or more of the following:


  • Instance methods MUST be addressed by object ref
    after instantiation

  • Static methods MUST be addressed by object
    reference after instantiation


  • Instance methods MUST be addressed by class
    name

  • Static methods MUST be addressed by class_name
    even when object is instantiated

Explanation

Question 55 of 67

1

Identify the valid rule when calling public methods fron
within the class

Select one of the following:


  • When calling a static method, the class name is
    required


  • When calling an instance method, the => operator is
    still required



  • When calling a static method, the class name can
    be omitted

  • Private methods can not call public methods

Explanation

Question 56 of 67

1

where is the visibility of class components defined

Select one of the following:

  • Object Instance

  • Class Methods

  • Class Implementation

  • Class Definition

Explanation

Question 57 of 67

1

Identify the one addition that is not part of the
interface of a method

Select one of the following:

  • Result

  • Exception

  • Importing

  • Returning

Explanation

Question 58 of 67

1

which statenent will create an instance of a class

Select one of the following:

  • Class my_class Definition

  • Data: my_object TYPE REF TO my_class

  • Create Object my_object

  • Class my_class Implementation

Explanation

Question 59 of 67

1

Identify the line that contains the valid use of the
READ-ONLY additon

class lcl_course definition.

10 public section.
20 Data: Price(3) type p decimals 2
value 100 READ-ONLY.
30 Types: type_category(15) type C READ-ONLY.
40 Constants: write_position type I value 10 READONLY.

50 private section.

60 data: category(15) type C READ-ONLY,

70 class-data: course_count type I READ-ONLY.

endclass.

Select one of the following:

  • 30

  • 60

  • 50

  • 20

  • 40

Explanation

Question 60 of 67

1

What mechanisn is used to define common components of
different classes in one place

Select one of the following:


  • Create Object

  • Class Definition


  • Interface

  • Raise Event

Explanation

Question 61 of 67

1

what is the only component that is implenented in the
implenentation part ora class

Select one of the following:

  • Method

  • Attribute

  • Object

  • Interface

  • Event

Explanation

Question 62 of 67

1

In the context of relationshlp between Super and Sub
classes, identify the statenents which apply
(More than one answer is correct)

Select one or more of the following:

  • Subclass does not know it’s superclass

  • A subclass is a specialization of a superclass


  • A
    change in a superclass does not automatically get
    realized in the subclass

  • Superclass does not know its subclasses

  • A superclass is a specialization of a subclass

Explanation

Question 63 of 67

1

Identify the requirenents that deternine when an object gets deleted by garbage collection
(More than one answer is correct)

Select one or more of the following:

  • When all active objects are marked

  • When none of its methods are registered as event handlers


  • When objects can no longer be addressed from
    main memory

  • When there are no more references pointing to an
    object

Explanation

Question 64 of 67

1

How do you call the method in a superclass that has the
same name as a redefined method in the subclass?

Select one of the following:

  • Call Method Superclass-> mymetho

  • Call Method Super-> mymethod.

  • Call Method mymethod.

  • You can't . Only the redefined method can be called

Explanation

Question 65 of 67

1

mark the invalid attribute definition

class lcl_course definition.

10 public section.
20 Data: school(20) type c,
30 Supervisor type string value ‘ADAMS’,
40 Price(3) type p decimals 2 value 100 REA
D-ONLY.
50 types: type_category(15) type c,
60 type_name(10) type c.

70 constants: write_position type i value 10.
80 class-data: course_count type i.
90 private section.
100 data: category(15) type c,
110 name(10) type c.
120 courseid like mara-matnr.

endclass.

Select one of the following:

  • 30,120

  • 30,80

  • 40,70

  • 70,80

  • 40, 120

Explanation

Question 66 of 67

1

What is true about classes and objects in Object Oriented ABAP

(More than one answer is correct)

Select one or more of the following:

  • Classes are an instance of an object

  • Objects can change their class

  • Class is a template for an object

  • Objects are an instance of a class

Explanation

Question 67 of 67

1

Identify the statenent about Global Classes that is NOT true

Select one of the following:

  • Class Builder can be used to test global classes

  • A method to be transported is identified in transport
    organiser as LIMU METH


  • Programs that are available to Global Classes must
    be associated in Class Builder


  • Global classes are stored in TADIR with key R3TR
    CLAS

  • Global classes are stored in TADIR with key R3TR
    CLAS

Explanation

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