10+ HighRadius Interview Questions and Answers for Freshers

To create a custom read-only list, use the ReadOnlyCollection class in C#.

• Create a List object with the desired elements.

• Use the AsReadOnly() method to create a read-only wrapper around the list.

• Use the ReadOnlyCollection class to create a truly read-only list.

• Example: List myList = new List{"apple", "banana", "orange"};

• Example: var readOnlyList = myList.AsReadOnly();

• Example: var trulyReadOnlyList = new ReadOnlyCollection(myList);

Exceptions are errors that occur during program execution and can be handled using try-catch blocks.

• Checked exceptions: must be handled or declared in the method signature

• Unchecked exceptions: occur at runtime and do not need to be declared

• Error: serious problems that cannot be handled, such as OutOfMemoryError

• Examples: NullPointerException, ArrayIndexOutOfBoundsException

Introduce a voice assistant feature in WhatsApp for hands-free messaging and calling.

• Conduct user research to understand the needs and preferences of WhatsApp users regarding voice assistant technology.

• Collaborate with engineers to develop the voice assistant feature, ensuring it is user-friendly and seamless.

• Test the feature with a small group of users to gather feedback and make necessary improvements.

• Launch the feature to a wider audience, monitor its performance, and iter...read more

Collections are data structures that store and manipulate groups of related objects.

• Collections are used to store and manipulate groups of related objects

• They can be classified into three main categories: Lists, Sets, and Maps

• Lists maintain the order of elements and allow duplicates (e.g. ArrayList, LinkedList)

• Sets do not allow duplicates and do not maintain order (e.g. HashSet, TreeSet)

• Maps store key-value pairs and do not allow duplicate keys (e.g. HashMap, TreeMap)

I would start by introducing myself and my company, then briefly explain the benefits of our product tailored to the client's needs.

• Introduce yourself and your company professionally

• Briefly explain the key benefits of the product

• Tailor the pitch to address the client's specific needs or pain points

• Ask open-ended questions to engage the client in a conversation

• Offer to provide more information or schedule a follow-up meeting

I would reinvent the pencil and eraser by creating a digital smart pen with built-in eraser functionality.

• Develop a digital pen that can be used on touchscreens and paper, with the ability to save and transfer notes digitally.

• Include an eraser function on the pen itself, allowing users to easily correct mistakes without needing a separate eraser.

• Integrate Bluetooth technology to connect the pen to devices for seamless digital note-taking and editing.

• Offer different tip option...read more

Exceptions should be handled gracefully to prevent application crashes.

• Use try-catch blocks to catch exceptions.

• Handle exceptions at the appropriate level of abstraction.

• Log exceptions to aid in debugging.

• Provide meaningful error messages to the user.

• Avoid catching generic exceptions.

• Use finally blocks to release resources.

• Consider using custom exceptions for specific error conditions.

Azure Active Directory is a cloud-based identity and access management service provided by Microsoft for managing users and groups.

• Azure Active Directory (AAD) is used to manage user identities and access to resources in Azure.

• It provides single sign-on capabilities for users to access various applications.

• AAD integrates with on-premises Active Directory for seamless user authentication and authorization.

• It allows for multi-factor authentication, conditional access policies, ...read more

Internet in the cloud enables access to web-based applications and services from anywhere in the world.

• Cloud-based applications can be accessed through a web browser or mobile app

• Internet connectivity is required to access cloud services

• Cloud providers offer global data centers to ensure low latency and high availability

• Examples include Google Drive, Dropbox, and Salesforce

Delta in cloud refers to the difference between two versions of a file or data.

• Delta is used to reduce the amount of data that needs to be transferred during updates or backups.

• It helps in saving bandwidth and storage space.

• For example, in cloud storage, only the changes made to a file are synced instead of the entire file.

• Delta compression is also used in cloud computing to optimize network traffic and reduce latency.

A virtual network is a network that exists virtually within a cloud environment, allowing resources to communicate securely.

• Virtual networks provide isolation and segmentation for resources within a cloud environment.

• They allow for secure communication between resources, such as virtual machines, in the cloud.

• Virtual networks can be configured with subnets, security groups, and network security groups to control traffic flow and access.

• They can also connect to on-premises net...read more

Binary search is a search algorithm that finds the position of a target value within a sorted array.

• The array must be sorted before applying binary search

• Compare the target value with the middle element of the array

• If the target value is smaller, search the left half of the array

• If the target value is larger, search the right half of the array

• Repeat until the target value is found or the search space is exhausted

Azure AD is Microsoft's cloud-based identity and access management service.

• Azure AD allows users to sign in and access resources like apps and services.

• It provides features like single sign-on, multi-factor authentication, and role-based access control.

• Azure AD can be integrated with on-premises Active Directory for hybrid identity management.

Microservice architecture is an architectural style that structures an application as a collection of loosely coupled services.

• Microservices are small, independent, and autonomous services that communicate with each other through APIs.

• Each microservice is responsible for a specific business capability and can be developed, deployed, and scaled independently.

• Microservices promote flexibility, scalability, and fault tolerance in complex applications.

• Examples of microservice arc...read more

A virtual machine is a software-based emulation of a physical computer that operates like an actual computer.

• Virtual machines allow multiple operating systems to run on a single physical machine

• They are isolated from each other and can be easily created, modified, and deleted

• Common virtual machine software includes VMware, Hyper-V, and VirtualBox

Azure DNS is a hosting service for DNS domains, providing name resolution using Microsoft Azure infrastructure.

• Azure DNS allows you to host your DNS domains and manage DNS records using Azure's infrastructure.

• It provides high availability and scalability for your DNS domains.

• You can use Azure DNS to map your domain names to the IP addresses of your Azure resources.

• It supports various record types such as A, AAAA, CNAME, MX, NS, PTR, SOA, SRV, and TXT records.