10+ Uipath Developer Interview Questions and Answers

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

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

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'.

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

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

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

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.

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

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

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

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