10+ TCS SAP Abap Technical Consultant Interview Questions and Answers

To display multiple screens in one layout, use the SAP Screen Painter tool and create a custom screen with multiple subscreens.

• Create a custom screen using the SAP Screen Painter tool

• Add multiple subscreens to the custom screen

• Define the layout of each subscreen using the Screen Painter

• Use the PBO (Process Before Output) module to display the subscreens in the desired layout

• Use the PAI (Process After Input) module to handle user input from the subscreens

Constructor is used to initialize an object. It is called when an object is created.

• Constructor is a special method with the same name as the class.

• It is used to initialize the instance variables of a class.

• It is called automatically when an object is created using the new keyword.

• Constructors can be overloaded to provide different ways of initializing objects.

• Example: public class Employee { public Employee() { // constructor code } }

Singleton class is a class that can only have one instance at a time.

• It is used to ensure that there is only one instance of a class in the system.

• It is often used in situations where a single object needs to coordinate actions across the system.

• Example: Database connection class, logger class, configuration class.

• It can be implemented using private constructors, static methods, and static variables.

Enhancement framework is a tool to modify standard SAP applications without changing the original code.

• Enhancement framework provides a way to add custom code to standard SAP applications.

• Customer exits are predefined hooks in the standard code that allow custom code to be added.

• Badis are similar to customer exits but provide more flexibility and can be implemented multiple times.

• Enhancement framework is used to avoid modifying standard code and to make upgrades easier.

• Exampl...read more

The annotation used to display text element in CDS is @Semantics.text

• The @Semantics.text annotation is used to display text elements in CDS views

• It is used in combination with the element name and the label for the text

• Example: @Semantics.text.label: 'Product Description';

• The label can be customized to display any desired text

The method called in backend to handle deep entity call is GET_DEEP_ENTITY.

• GET_DEEP_ENTITY method is used to retrieve a deep entity from the backend system.

• It is used to retrieve a single entity with its related entities in one request.

• It is called when a deep entity is requested in OData service.

• It is used to retrieve data from multiple tables in one request.

Table function in CDS is a reusable database function that can be used to define complex logic and calculations.

• Table function is defined in CDS (Core Data Services) using the @EndUserFunction annotation.

• It allows you to define complex logic and calculations that can be used in CDS views or ABAP programs.

• Table functions can have input parameters and return a table of data as the result.

• They can be used to perform data transformations, aggregations, filtering, and more.

• A pract...read more

Abstract class is a class that cannot be instantiated. Interface is a collection of abstract methods.

• Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

• Abstract class can have instance variables, while interface cannot.

• A class can implement multiple interfaces, but can only inherit from one abstract class.

• Example of abstract class: Animal (cannot be instantiated). Example of interface: Runnable (collection of abstrac...read more

Partner profile in Idocs is used to define communication partners and their settings.

• Partner profile contains information about the communication partner such as their ID, address, and communication protocol

• Partner profile is used to determine the outbound and inbound processing of Idocs

• To create a custom Idoc, define the segments and fields using WE31 transaction

• Create a message type using WE81 transaction and link it to the Idoc type

• Create a process code using WE42 transact...read more

To publish Odata service by consumption view, create a consumption view and expose it as an Odata service.

• Create a consumption view using SE11 transaction

• Activate the view and generate the runtime object

• Create an Odata service using SEGW transaction

• Add the consumption view to the Odata service

• Activate and publish the Odata service

VDM module in CDS is a virtual data model that provides a semantic layer on top of the underlying database tables.

• VDM stands for Virtual Data Model.

• It is used in SAP ABAP CDS (Core Data Services) to define the structure and behavior of data models.

• VDM provides a semantic layer that abstracts the complexity of the underlying database tables.

• It allows developers to define entities, associations, and annotations to represent business objects and relationships.

• VDM modules can be ...read more