Webdynpro Java Interview Questions Answers Real Time

Real time Webdynpro Java Interview Questions and Answers. Welcome to SAP ABAP Interview Questions.

Webdynpro framework is used for developing web based applications in SAP ERP environment. These web based applications can be developed by using webdynpro abap and web dynpro java. This post consist of real time webdynpro java interview questions. The features are available in both web dynpro abap and web dynpro java are same but the coding part is varies from webdynpro abap to webdynpro java.

 SAP Webdynpro ABAP uses the ABAP/4 programming language and SAP Webdynpro Java uses the Java programming language to develop web based applications in SAP. Refer this post for more details and interview questions on webdynpro java.Click on read more to read this article on Real time Webdynpro Java Interview Questions and Answers. 

Webdynpro Java Real Time Interview Questions and Answers

Webdynpro framework is used for developing web based applications in SAP ERP environment. These web based applications can be developed using webdynpro abap and also using web dynpro java. 

This post consist of real time webdynpro java interview questions. The features are available in both web dynpro abap and web dynpro java are same but the coding part is varies from webdynpro abap to webdynpro java.

 SAP Webdynpro ABAP uses the ABAP/4 programming language and SAP Webdynpro Java uses the Java programming language to develop web based applications in SAP. Refer this post for more details and interview questions on webdynpro java.

Webdynpro ABAP Interview questions

1. Webdynpro framework is built on which design pattern?

Ans. Webdynro uses MVC (Model View Controller) design pattern.

2. What is the use of component in Webdynpro?

Ans. A component is the unit of project which contains the actual functionality and it can be reused.

3. Explain about model in Webdynpro?

Ans. A model is any layer of code that encapsulates some business functionality external to the Web Dynpro environment.

4. What is the difference between component controller and view controller in Webdynpro?

Ans. Component controller is the main controller of the entire component and it’s a global controller. View controller is the controller associated with a view.

5. Which controllers are the global controllers ?

Ans. Component controller and custom controller are the global controllers.

6. What does the component interface contains in Webdynpro java?

Ans. The Web dynpro component interface consists of two parts: a visual one and a programmatic one, and defines the set of publicly accessible entry points to the component. Visual part is interface view which corresponds to a window in component and the programmatic part is Interface controller.

7. What is a context in webdynpro?

Ans. All controllers, whether view controllers, custom controllers or component controllers, have a dynamic data storage area known as a context. Context contains nodes and attributes where data is stored

8. What is the cardinality of a node in web dynpro java?

Ans. Cardinality represents the number of elements a node has at the start of the application and maximum number of elements it could have during its life time

9. What is a singleton node and what is the use of using singleton node in webdynpro?

Ans. Singleton nodes are represented by a single node instance, whose content – that is, its node collection - changes each time the lead selection of the parent node changes.

10. What is the purpose of supply function in a node?

Ans. Supply Function is used to populate the values in a node on demand. The supply function is called by the run time when the data of the context node is used. This is the case when a UI element is to be displayed for the first time with the data of the corresponding context.


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