Uipath Developer
10+ Uipath Developer Interview Questions and Answers
Q1. What is the Re-Framework, and how do the Dispatcher, Performer, and DataTable transaction approaches function in UiPath?
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?
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
Q3. What is the difference between a switch statement and an if-else statement?
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?
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
Q5. what is the syntax of for each in uipath
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 ?
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
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
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
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
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
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
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
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
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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