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10+ Accenture Senior Application Developer Interview Questions and Answers

Updated 31 Aug 2024

Q1. How do you orient some components in react with 40 or more pages? whats your approach?

Ans.

Use a routing library like React Router to manage navigation and organize components into separate pages.

  • Utilize React Router to set up routes for each page and handle navigation

  • Organize components into separate folders based on their functionality or page they belong to

  • Consider lazy loading components to improve performance, especially with a large number of pages

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Q2. Most tricky scenario that I have implemented and what was the solution

Ans.

Implemented a complex data migration from legacy system to new system

  • Identified all data sources and mapped them to new system

  • Developed custom scripts to transform and validate data

  • Performed multiple test runs to ensure data integrity

  • Coordinated with stakeholders to ensure smooth transition

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Q3. In how many ways we can communicate in LWC and what are they

Ans.

There are three ways to communicate in LWC: event communication, public properties, and method calls.

  • Event communication: Components can communicate by firing and handling events.

  • Public properties: Components can communicate by passing data through public properties.

  • Method calls: Components can communicate by calling methods on other components.

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Q4. Swap the value of two variables without using the third variable

Ans.

To swap the value of two variables without using a third variable, use arithmetic operations.

  • Use addition and subtraction to swap values

  • Example: a = 5, b = 10. a = a + b (a = 15), b = a - b (b = 5), a = a - b (a = 10)

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Q5. How would you optimize an application?

Ans.

Optimizing an application involves identifying and resolving performance bottlenecks to improve efficiency and user experience.

  • Identify and address slow database queries or inefficient code

  • Implement caching mechanisms to reduce load times

  • Optimize images and assets to reduce file sizes

  • Utilize asynchronous processing to improve responsiveness

  • Profile and analyze code to identify areas for improvement

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Q6. Difference between Inner join. left /right/full outer join

Ans.

Inner join returns only the rows that have matching values in both tables, while left/right/full outer join returns all rows from one table and matching rows from the other table.

  • Inner join: returns rows with matching values in both tables

  • Left join: returns all rows from the left table and matching rows from the right table

  • Right join: returns all rows from the right table and matching rows from the left table

  • Full outer join: returns all rows when there is a match in either ta...read more

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Q7. What is Context API

Ans.

Context API is a feature in React that allows sharing data between components without having to pass props through every level of the component tree.

  • Context API provides a way to pass data through the component tree without having to pass props down manually at every level.

  • It is particularly useful for passing down global data like themes, user authentication, or language preferences.

  • Context API consists of three main parts: the Provider, the Consumer, and the useContext hook...read more

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Q8. Difference between== and ==== in LWC.

Ans.

In LWC, == is used for loose equality comparison while ==== is used for strict equality comparison.

  • == is used for comparing values without considering data types

  • === is used for comparing values while also considering data types

  • Example: '1' == 1 will return true, but '1' === 1 will return false

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Q9. Write test suite for a login form

Ans.

Test suite for a login form

  • Test for valid username and password

  • Test for invalid username and password

  • Test for empty username or password field

  • Test for special characters in username or password

  • Test for maximum character limit in username and password fields

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Q10. 16 fields of pricing

Ans.

The 16 fields of pricing refer to the different factors that influence the pricing of a product or service.

  • Cost of production

  • Competitor pricing

  • Market demand

  • Profit margin

  • Economic conditions

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Interview Process at Accenture Senior Application Developer

based on 13 interviews
3 Interview rounds
Technical Round
HR Round
Personal Interview1 Round
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