Virtusa Consulting Services Software Engineer Interview Questions, Process, and Tips

They will see logical and lateral thinking

Q1. Oops. Solid principles. Previous project explanation
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Q2. Questions on full stack
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Q1. About company policies
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Q2. Salary
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What is apex and trigger
asked on lwc
Integration using rest api
Best practices

Q1. Trigger on opportunity to calculate sum child to parent event communication child parent LWC wire method Integration rest api
Ans. 
Use LWC wire method to trigger event communication from child to parent and calculate sum
• Create a custom event in the child component to pass data to the parent component

• Use @wire method in the parent component to listen for the custom event and calculate the sum

• Integrate with a REST API to fetch additional data if needed
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Q2. Wirte lwc component using combobox
Ans. 
Create a Lightning Web Component (LWC) using a combobox
• Use the lightning-combobox component in your LWC template

• Define options for the combobox in your JavaScript file

• Handle selection changes using event handlers
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Q3. Write batch class
Ans. 
A batch class is used in Salesforce to process records in bulk.
• Batch classes in Salesforce are used to process large volumes of records asynchronously.

• They are implemented by implementing the Database.Batchable interface.

• Batch classes have three main methods: start, execute, and finish.

• Example: public class MyBatchClass implements Database.Batchable<SObject> { // implementation }
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Q4. Write callout apex class
Ans. 
A callout Apex class is used to make HTTP requests from Salesforce to external services.
• Create a class that implements the HttpCallout interface

• Use the HttpRequest class to define the request

• Use the HttpResponse class to handle the response
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Q1. Javscript question , let , const, var difference ?
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Q1. Validation technique in MVC?
Ans. 
Validation in MVC ensures data entered by user meets specified criteria before processing.
• Validation can be done using data annotations in model classes.

• Validation can also be performed using ModelState.IsValid in controller actions.

• Client-side validation can be implemented using JavaScript libraries like jQuery Validate.
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Q2. Difference between partial and render partial in MVC?
Ans. 
Partial is used to render a specific portion of a view, while render partial is used to render a partial view within another view in MVC.
• Partial is used to render a specific portion of a view in MVC.

• Render partial is used to render a partial view within another view in MVC.

• Partial can be used to render a reusable piece of code in multiple views.

• Render partial is useful for rendering common elements like headers or foot...read more
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Program to find Power of number by passing base number and power number