Uipath Developer

10+ Uipath Developer Interview Questions and Answers

Updated 1 Mar 2025
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Q1. What is the Re-Framework, and how do the Dispatcher, Performer, and DataTable transaction approaches function in UiPath?

Ans.

ReFramework is a template in UiPath for building robust, scalable, and reusable automation projects.

  • ReFramework is a template that includes Dispatcher and Performer components for handling transactions.

  • Dispatcher is responsible for reading input data and adding it to a queue.

  • Performer processes items from the queue, performs the necessary actions, and updates the status of each transaction.

  • DataTable transaction approach involves storing transaction data in a DataTable variabl...read more

Q2. Datatable how to use it in Uipath, what is a connection string and how we can create that?

Ans.

Datatable is used to store and manipulate data in UiPath. Connection string is used to establish a connection to a database.

  • Datatable is a structured data type used to store information in rows and columns.

  • You can use activities like 'Build Data Table' to create a new datatable or 'Read Range' to read data from an Excel file into a datatable.

  • Connection string is a string that contains information about how to connect to a database, including the server name, database name, an...read more

Uipath Developer Interview Questions and Answers for Freshers

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Q3. What is the difference between a switch statement and an if-else statement?

Ans.

Switch statement is used for multiple conditions, while if-else statement is used for binary conditions.

  • Switch statement is more efficient when there are multiple conditions to check.

  • If-else statement is more flexible as it can handle complex conditions.

  • Switch statement uses 'case' and 'break' keywords, while if-else statement uses 'if', 'else if', and 'else'.

Q4. What is the difference between an execute query and an execute non-query?

Ans.

Execute query is used to retrieve data from a database, while execute non-query is used to perform operations that do not return data.

  • Execute query is used for SELECT statements to retrieve data from a database.

  • Execute non-query is used for INSERT, UPDATE, DELETE statements that do not return data.

  • Execute query returns a result set, while execute non-query returns the number of rows affected.

  • Examples: Execute query - SELECT * FROM table_name; Execute non-query - INSERT INTO t...read more

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Q5. what is the syntax of for each in uipath

Ans.

The syntax of for each in UiPath is 'For Each item In collection'

  • Use 'For Each' activity in UiPath

  • Specify the variable to store each item in the collection

  • Specify the collection to iterate over

  • Example: For Each item In myList

Q6. why config file's datatype is changed ?

Ans.

Config file's datatype may be changed to accommodate new requirements or improve performance.

  • To support additional data types or structures

  • To enhance performance by using a more efficient data type

  • To improve readability and maintainability of the config file

  • To align with changes in the application architecture

  • For better integration with other systems or tools

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Q7. Have you worked on Linq query

Ans.

Yes, I have worked on Linq queries in C# for data manipulation and filtering.

  • Used for querying data in collections like arrays, lists, and databases

  • Can be used for filtering, sorting, grouping, and joining data

  • Example: var result = from item in collection where item.property == value select item;

Q8. How to handle Exception

Ans.

Exceptions can be handled using try-catch blocks to gracefully manage errors in code execution.

  • Use try-catch blocks to catch exceptions and handle them gracefully

  • Use specific catch blocks for different types of exceptions

  • Use finally block to execute code regardless of whether an exception is thrown

  • Throw custom exceptions when necessary to provide more context

  • Use logging to track and debug exceptions

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Q9. where is the conversion happening

Ans.

The conversion is happening in the UiPath platform where data is transformed from one format to another.

  • Conversion is happening in the UiPath workflow using activities like 'Read Range' and 'Write Range' for Excel files.

  • Data can be converted from PDF to text using OCR activities.

  • Transformation of data types can be done using variables and expressions in UiPath.

Q10. Find element,Find children output

Ans.

Find element activity is used to locate a single UI element on the screen. Find children activity is used to find multiple child elements of a specified parent element.

  • Find element activity is used to locate a single UI element on the screen based on the selector provided.

  • Find children activity is used to find multiple child elements of a specified parent element based on the selector provided.

  • Output of Find element activity is a UiElement variable containing information abou...read more

Q11. Have you worked on queues

Ans.

Yes, I have worked on queues in UiPath.

  • Yes, I have experience working with queues in UiPath for managing and processing items.

  • I have used queues to prioritize and schedule tasks in automation processes.

  • I have implemented error handling and retry mechanisms using queues in UiPath.

  • I have also utilized queues for communication between different automation processes.

  • For example, I have used queues in UiPath Orchestrator to manage the processing of invoices in a finance automation...read more

Q12. What is parallel activity

Ans.

Parallel activity is a type of activity in UiPath that allows multiple activities to run simultaneously.

  • Parallel activity is used to execute multiple activities at the same time.

  • It is useful when you have independent tasks that can be executed concurrently.

  • Each branch of the parallel activity runs independently and can have its own set of activities.

  • It is represented by a parallel block in the workflow.

  • Example: In a process, you can use a parallel activity to simultaneously f...read more

Q13. What is RE framework

Ans.

RE Framework is a Robotic Enterprise Framework for UiPath, providing a template for building scalable and robust automation solutions.

  • RE Framework stands for Robotic Enterprise Framework

  • It is a template in UiPath for building scalable and robust automation solutions

  • It includes components like Init, Process, End, and Exception Handling

  • It follows best practices like modular design, error handling, and logging

  • Example: Using RE Framework, you can easily manage transactional data ...read more

Q14. List UiPath components

Ans.

UiPath components include Studio, Robot, Orchestrator, and Activities.

  • UiPath Studio - a visual designer for creating automation workflows

  • UiPath Robot - executes automation workflows created in Studio

  • UiPath Orchestrator - a web application for managing and monitoring automation workflows

  • UiPath Activities - pre-built actions that can be used in automation workflows

  • Examples of UiPath Activities include Excel, Email, and PDF automation

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