Are You Wanting to Increase Your Knowledge or Develop with SAP UI5?

Don’t worry, we have You Covered! From novice developers all the way up to experienced ones alike  here we provide frequently requested SAP UI5 interview questions and answers in this blog for both newcomers and experts alike!

This collection of SAP UI5 Questions and Answers will equip you with all of the knowledge required to comprehend this widely popular web development framework, whether for an interview or simply furthering your knowledge base.

Prior to delving deeper into this blog’s primary subject matter, let’s briefly introduce SAP Ui5.

SAP created an open-source JavaScript framework known as SAP UI5 (User Interface 5) as an efficient means for developing user interfaces and web apps using PHP scripting languages like JScript or Perl, similar to what other SAP technologies like Fiori or HANA offer.

SAP Ui5 also facilitates responsive designs of SAP applications which make their design accessible yet simple ideal for designing easy user experiences for end-users using web technology like HANA for instance.

Let’s swoop realm of SAP UI5 interview questions for experienced and excel in the interview.

1. What is the function of SAP UI5?

The function of SAP UI5 is to provide JavaScript experience, app developers, and general refreshers with a comprehensive understanding of SAP UI5 development, unit testing and accessibility.

2.What is the process for users to reach the SAP UI5?

Users reach SAP UI5 through a GitHub repository, where they can browse files and download code for specific steps.

3.What tools and technologies are used in the SAP UI5?

The SAP UI5 uses Visual Studio Code and SAP UI5 CLI to run the code on a local machine. Node and SAP UI5 CLI are also used to avoid potential vulnerabilities in remote OData services.

4.What prerequisites are necessary for this SAP UI5?

Users need to set up a local machine to run code using node. To do this, they need to create a new folder inside the project folder and create an app folder called Web App. They also need to install SAP UI5 CLI globally and run PM install globally at SAP UI5 CLI.

5.How can users enable an existing project to work with the node server?

To enable an existing project to work with the node server, users need to create a package.json file and generate an uf5.yaml file for the project. They also need to install the dependencies and make a few changes to the manifest.json file.

6.What are some important considerations when working with themes in SAP UI5?

It’s important to have resources set up for production apps, as SAP UI5 has different themes. Users should make sure to load the appropriate theme and style resources in their application.

7.What is the aim of incorporating SAP UI5 into JavaScript?

The aim of the SAP UI5 section in JavaScript is to call a function and create an alert. This is a standard JavaScript function that will display the UI5 ready to go.

8.What is the role of the index.js file within the web app section?

The role of the index.js file in the web app section is to place the application logic and a function strictly.

9.What is the goal of the web app section?

The goal of the web app section is to create an alert using vanilla JavaScript.

10.How is the text control added to the web app section?

The text control is added to the web app section by creating an index.js file and calling a function that creates an alert using vanilla JavaScript.

11.How can the text control be refreshed?

The text control is refreshed by replacing it with an actual SAP UI5-specific control, adding it to the body tag using the SAP UI5 body class and the ID, and creating a view to place the control in.

12.How to declare and saved text control?

The text control is declared and saved by creating a standalone view to place the control in and calling it in the index.js file.

13.Explain SAP UI5 dot-defined library?

SAP UI5 dot-defined library is to provide a simple way to create controllers, views, and models for web applications using JavaScript.

It also allows for easy integration of modules and components to create more complex applications.

14.What is the difference between strict mode and non-strict mode in SAP UI5 JavaScript?

InSAP UI5 JavaScript, strict mode is a mode of execution that helps detect potential coding issues at an early stage of development.

It provides additional security and error-handling features that can help prevent common mistakes and improve code quality.

In non-strict mode, SAP UI5JavaScript code may not be checked as strictly, and certain features may not be available.

15.Why is there a comma used between functions in SAP UI5 JavaScript?

In SAP UI5 JavaScript, the comma between functions serves as a separator.

It allows multiple functions to be defined in a single line, making it easier to read and write code.

It also allows for the use of closures and other advanced JavaScript features.

16.What is the importance of properly formatting and assigning data models to view in SAP UI5 web applications?

Properly formatting and assigning data models to view SAP UI5 in web applications is important for ensuring that the data is displayed correctly and can be easily accessed and manipulated by the user.

It also helps ensure that the code is readable and maintainable and that the application is scalable and flexible.

17.Why should translatable texts be moved to an I18 file or a separate resource file?

Translatable texts should be moved to an I18 file or separate resource file for internationalization purposes.

This allows for the translation of various texts into different languages, making the application more accessible to a global audience.

18.What is the SAP UI5 resource model?

The SAP UI5 resource model is a special model that can be used for internationalization in web applications.

It allows for the separation of translatable text from the main codebase and provides a simple way to manage translations for different languages.

19.How do you add the I18n file in SAP UI5?

To add the I18n file in SAP UI5, create a new folder called I18n and add the I18n.properties file.

Add two texts: “show” for the “hello button text” and “hello message” for the “hello” message.

20.How can the I18n file be incorporated into the controller in SAP UI5?

In the controller, remove the “hello” button text and add the “hello” message. In the constructor function, set the I18 in the model and assign it an alias.

Set the view to the “I 18 in model” and give it an alias. Save the changes in the “read message” event.

21.How do you create a resource bundle in SAP UI5?

To create a resource bundle in SAP UI5, get the recipient name from the original JSON model and add the “recipient” variable as a variable.

Create a message using the “hello” message and add the “s” recipient as a variable. Save the message and show it in the “toast.show” event.

22.What is the process for refreshing the application on SAP UI5?

Refresh the application in SAP UI5 by pressing F5 and selecting “Hello” from the “UI file.” If needed, change the message to “hello” and save the changes.

23.Explain how to change the button text in SAP UI5?

To change the button text in SAP UI5, reference it in the XML view and copy it to the resource bundle. This will make the button text “say hello” and allow access to resources relative to the component file.

24.How is the UI component module added to SAP UI5?

Open the SAP UI5 define file and pull in the UI component module from the SAP UI5 namespace.

We also need to add the JSON model and resource model for the I18N internationalization file.

Open the constructor function and add the values for the UI component, JSON model, and resource model.

25.How can the UI component in SAP UI5 be initialized?

Call the return UI component function and extend the component file to the web app folder.

Add parameters like metadata, root view, attributes, and XML view type. Save the metadata and call the initialization event, which is initial.

Open the function and call the initialization event. This will ensure that the UI component is properly configured and accessible.

26.How do you move logic from the controller to the centralized component.js file in SAP UI5?

In the centralized component.js file, move all logic from the controller into the view. This ensures that all logic is handled in a centralized location and makes the application more modular and maintainable.

27.What does Snap UI.Core component provide?

The Snap UI.Core component container is to provide a way to manage and organize components in a web application.

It allows developers to define and pass in components, as well as add attributes and configuration settings.

28.What is the manifest.json file used for?

The manifest.json file is to separate application coding from configuration settings, making things more flexible.

It allows multiple apps to be displayed in the same context and defines local settings, such as language properties and supported devices.

The descriptor file can also load additional resources and instantiate models like the I18 resource bundle.

29.How do you check the settings in a SAP UI5 application?

To check the settings in a SAP UI5 application, first check the version in the SAP.app section.

The I18N has a specific attribute from the I18N folder, and the app title is given in the I18N file.

The app description is then added to the app title, and the app description is saved.

30.What is the Objective of the SAP UI section?

The Objective of the SAP UI section is to include icons, favorite cons, and device types.

31.Describe the role of app descriptor in a SAP UI5 application?

The app descriptor in a SAP UI5 application is to provide a way to define the title, description, and other settings for an application.

It is used to organize and manage the application, and to provide a way to customize the application for different users and contexts.

32.Explain the handling of Fiori shell control in SAP UI5?

The Fiori shell control is a container that handles the visual action of the application, taking into account the screen size and creating a box shape.

It can be customized with background details and other stylings.

33.How do you apply margins and paddings in SAP UI5?

To apply margins and paddings in SAP UI5, use SAP UI5 standard classes and apply them to controls themselves.

34.What are the steps to build a personalized text control in SAP UI5?

To create a custom text control in SAP UI5, add a text control to the input and label it with a unique identifier.

Then, add styling to the control using SAP UI5 standard classes and a custom color.

35.How can one ncorporate custom CSS and theme colors into SAP UI5?

To add custom CSS and theme colors in SAP UI5, create a CSS folder under the web app folder and label the different classes in the view.

Add styling in three places: the app itself, the button, and the custom button. Keep the SAP UI5 standard as much as possible from a layout and CSS point of view.

36.How “Hello panel” view is created in SAP UI5?

To create a new view called “Hello panel” in SAP UI5, create a new view using the X M L tag and reference the SAP UI demo and walkthrough View Hello Panel file.

37.How do you create a new controller called HelloPanel.Controller.js in SAP UI5?

To create a new controller called HelloPanel.Controller.js in SAP UI5, remove the controller module and message toast module, and reference the new Hello panel controller.

Save the controller logic and refer to the new view.

38.How can one move the panel content into a distinct view in SAP UI5 using refactoring techniques?

To refactor the panel content into a separate view in SAP UI5, use ctrl-f5 to create the new view and reference it in the controller.

39.Explain how to create a reusable artifact in SAP UI5 using fragments?

To create a reusable artifact in SAP UI5 using fragments, use dialog fragments to define a reusable fragment that can be loaded asynchronously.

40.How do you generate a button in the Hello Panel view in SAP UI5?

To create a button in the Hello Panel view in SAP UI5, add attributes to it, including the text from the I18 in file, and call the press event on the open dialog.

41.In SAP UI5, what is the process for asynchronously loading the fragment in the Hello Panel controller?

To load the fragment asynchronously in the Hello Panel controller in SAP UI5, create a view, claim it and reference it to the view, and create the dialog lazily, either by physically creating it or by loading it asynchronously.

If the dialog does not exist, it is loaded asynchronously. The fragment module is loaded first, and the fragment is called the fragment module.

42.What is the motive of the fragment callback in a SAP UI5 application?

The fragment callback in a SAP UI5 application is used to close a dialog when a button is clicked. It requires connecting the fragment to the current controller, which doesn’t have its own controller.

43.How do you design an event that closes the dialog when a button is clicked in a SAP UI5 application?

To design an event that closes the dialog when a button is clicked in a SAP UI5 application, call the Hello Panel controller and create an event that closes the dialog when a button is clicked.

44.How do you insert a button to a dialog fragment in a SAP UI5 application?

To add a button to a dialog fragment in a SAP UI5 application, call the begin button and add the button with attributes like text equals and referencing the I18n file.

45.How can the controller be checked in a SAP UI5 application?

To check the controller in a SAP UI5 application, press Control F5 and check if the dialog fragment is closed. If it is, you need to close off the begin button and the dialog itself.

46.What is the purpose of adding icons to buttons in a SAP UI5 application?

Adding icons to buttons in a SAP UI5 application is crucial for creating a functional and visually appealing interface. It enhances the user experience and makes the application more user-friendly.

47.How do you add an icon to a fragment in a SAP UI5 application?

To add an icon to a fragment in a SAP UI5 application, reference the documentation for dialogs and fragments, and add a content section before the begin button.

Call a core icon from the SAP UI5.UI.Core library, which is referenced with XMLNS. Adjust the icon’s size, class, and margin as needed.

48.In a SAP UI5 application, how can the fragment be reused in various sections of the application?

To reuse the fragment in different parts of an application in a SAP UI5 application, add it to the component file. This allows you to reuse the code once and only run the code once.

Reference the hello dialog JavaScript controller in your component file and add it as a module at the top end.

Create a new file called hello dialog.js and call the dialog using the underscore for private methods in JavaScript.

49.What is the justification of the exit function and exit event handler in a SAP UI5 application?

The exit function and exit event handler in a SAP UI5application are used to clear up the code when the application is closed or ended.

50.How do you define the constructor in the Hello Panel Controller in a SAP UI5 application?

The constructor in the Hello Panel Controller in a SAP UI5 application is a function that brings in a view, which iSAP UI5 parameter that is referenced and created.

51.How do you connect the dialog to the root view of the component in the Hello Panel Controller in a SAP UI5application?

To connect the dialog to the root view of the component in the Hello Panel Controller in a SAP UI5application, we run an else statement and save the else statement.

And format the document and reuse the dialog in the Hello panel controller.

52.What is the aim of the app controller in a SAP UI5application?

The app controller in a SAP UI5application is used to fix down the event and call the function on the open dialog event. It is used to obtain the fragment from anywhere in the app and test and refresh it to ensure it works.

53.How do you add data using aggregation binding in a SAP UI5application?

To add data using aggregation binding in a SAP UI5application, add JSON data to the view and show it as a list of invoices.

The data is copied across to the web app directly, and referenced in the manifest.json file.

The manifest.json file is created under the SAP UF5 section, models, and the location is in the root web app folder.

54.What is the cause of referencing the model in the folder structure in a SAP UI5 application?

Referencing the model in the folder structure in a SAP UI5 application ensures that the application is robust and maintainable. It saves and references the model in the manifest.json file.

55.How do you display the items in the item section as an object list item in the invoice list view in a SAP UI5 application?

To display the items in the item section as an object list item in the invoice list view in a SAP UI5 application, use the items control. The title is a combination of the invoice quantity and the invoice product name.

56.How do you fix an issue with the invoices in the invoice list view in a SAP UI5 application?

To fix an issue with the invoices in the invoice list view in a SAP UI5 application, add a comma between the section and the section. The invoices are now displayed neatly, with the quantity and name with a little x.

57.What is the resolution of adding an event to call a function that creates a new JSON model with the currency and euro attached in a SAP UI5 application?

Adding an event to call a function that creates a new JSON model with the currency and euro attached in a SAP UI5 application allows for additional formatting and data types to be applied to the JSON model values.

58.What is the objective of expression binding in UI Five controls in a SAP application?

Expression binding in UI Five controls in a SAP application is used to determine if something needs to happen based on the outcome of an attribute. It allows for assigning a number state of error or success depending on the attribute value.

59.What is the point of creating a custom formater in a SAP UI5 application?

Creating a custom formater in a SAP UI5 application allows for handling more complex formatting options. It can be added underneath the euros symbol, add the invoice status, and format it accordingly.

60.How do you create a custom formater in a SAP UI5 application?

To create a custom formater in a SAP UI5 application, create a new folder under Web App called model, and add a file called formater.js.

Run your function with a status passing in the status into the formater itself. Then, get the resource button and reference the resource bundle to get the actual invoice status.

Use a JavaScript switch statement to pass in the status and format it as needed.

61.What is the plan of filtering through a text search bar in an invoice list view in a SAP UI5 application?

Filtering through a text search bar in an invoice list view allows users to search for specific items in the list based on the query entered in the search bar. It ensures that the data is filtered based on the query parameter and the model.

62.How do you sort and group the invoices in a SAP UI5 application?

To sort and group the invoices in a SAP UI5 application, specify the path to the model and invoices inside it, and add a sorter. This will sort the invoices by the product name column.

63.Configure a remote OData service in a SAP UI5 application?

To configure a remote OData service in a SAP UI5 application, you need to configure your remote OData service in a destination within the platform and reference it from your app.

64.What is the impetus of using a text search bar in an invoice list view in a SAP UI5 application?

The purpose of using a text search bar in an invoice list view in a SAP UI5 application is to allow users to search for specific items in the list based on the query entered in the search bar. This ensures that the data is filtered based on the query parameter and the model.

65.How to initialize the mock server in a SAP UI5 application?

To initialize the mock server in a SAP UI5 application, call mock server dot init and initialize the embedded component on the HTML page.

66.How to create a mock data used for the invoices in a SAP UI5 application?

To create mock data used for the invoices in a SAP UI5 application, create a file called invoices and delete the invoices.json file, as it will be pulled from inside the mock server.

67.How do you decide the skeleton or shell of the data for the mock server in a SAP UI5 application?

To decide the skeleton or shell of the data for the mock server in a SAP UI5 application, create a file called metadata.xml in the local service folder. The metadata skeleton will be copied across and will eventually make sense.

68.What is the resolution of creating a unit test in a SAP UI5 application?

The resolution of creating a unit test in a SAP UI5 application is to test individual units of code in isolation. It allows you to test specific functions and methods without affecting the rest of the application.

69.What is the object of creating a page control in a SAP UI5 application?

The object of creating a page control in a SAP UI5 application is to add a title and other content to a page. It is created by importing XML artifacts directly from SAP UI5 and giving them an alias.

70.What is the thrust of defining an object header in a SAP UI5 application?

The thrust of defining an object header in a SAP UI5 application is to add content to the header of a page, such as a button with attributes like the icon and the invoice list.

With the aid of this blog, you will acquire invaluable advice for how to ace interviews successfully.

We sincerely hope this blog has provided you with useful and actionable insight, inspiring a deeper knowledge of SAP UI5 questions, whether or not you are an established developer or beginning your journey as one.