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Binary search is an efficient algorithm for finding an item from a sorted list of items.
Requires a sorted array to function correctly.
Divides the search interval in half each time.
Time complexity is O(log n), making it faster than linear search.
Example: Searching for '5' in [1, 2, 3, 4, 5, 6] results in index 4.
Spring Boot is a framework that simplifies the development of Java applications by providing production-ready features and configurations.
Convention over configuration: Reduces the need for extensive configuration files.
Embedded servers: Supports embedded servers like Tomcat and Jetty for easy deployment.
Microservices ready: Ideal for building microservices architectures with RESTful APIs.
Spring Boot Starter: Prov...
A sealed class restricts which classes can extend it, enhancing type safety and control in Java programming.
Introduced in Java 15 as a preview feature and finalized in Java 17.
Allows developers to define a limited set of subclasses, improving maintainability.
Syntax example: `sealed class Shape permits Circle, Square {}`.
Useful in scenarios like defining a hierarchy of types with controlled extensions.
Database isolation defines how transaction integrity is visible to other transactions, impacting concurrency and consistency.
Isolation levels include Read Uncommitted, Read Committed, Repeatable Read, and Serializable.
Read Uncommitted allows dirty reads, where one transaction can see uncommitted changes from another.
Read Committed prevents dirty reads but allows non-repeatable reads, where data can change between ...
Middleware is software that acts as a bridge between different applications or services, facilitating communication and data management.
Middleware enables communication between different software applications, often in a distributed environment.
It can handle tasks such as authentication, logging, and data transformation.
Examples include web servers, application servers, and message brokers.
In ASP.NET Core, middlew...
Filters in .NET are components that allow developers to intercept and modify requests and responses in web applications.
Filters can be used for logging, authentication, and authorization.
Example: An ActionFilter can log the execution time of an action method.
There are different types of filters: Authorization, Action, Result, and Exception filters.
Example: Exception filters can handle errors globally and return cu...
My framework architecture is modular, scalable, and designed for efficient test automation across various applications.
Modular Design: Each component (e.g., test cases, utilities) is separate, allowing for easy updates and maintenance.
Layered Architecture: It consists of layers such as Test Layer, Business Logic Layer, and Data Access Layer for better organization.
Use of Page Object Model (POM): This design patter...
Test cases for a login feature in an automation testing scenario.
Verify valid login with correct username and password.
Check login failure with incorrect password.
Test login with empty username field.
Validate login with empty password field.
Ensure user is redirected to the dashboard after successful login.
To convince a high-rated customer, focus on understanding their needs, building rapport, and providing tailored solutions.
Listen actively to their concerns and feedback to show you value their opinion.
Use positive language and affirm their feelings to build trust.
Provide personalized solutions that cater to their specific needs, such as offering a tailored product recommendation.
Share success stories or testimonia...
An immutable class is one whose instances cannot be modified after creation, ensuring thread safety and predictable behavior.
Use 'final' keyword for class declaration: 'public final class ImmutableClass { }'
Declare all fields as 'private final' to prevent modification: 'private final int value;'
Provide a constructor to initialize all fields: 'public ImmutableClass(int value) { this.value = value; }'
Avoid setter me...
Technical questions related to SQL , java , hibernate, spring boot ,oops, restful webservices
Immutable class in Java
Make the class final
Make all fields private and final
Do not provide any setter methods
If mutable objects are used, return a copy instead of the original object
I appeared for an interview in Jul 2025, where I was asked the following questions.
I appeared for an interview in Dec 2024.
I appeared for an interview in Jan 2025.
I am a dedicated and empathetic Customer Care Executive with a passion for helping customers resolve their issues and providing excellent service.
I have over 5 years of experience in customer service roles, including handling inquiries, complaints, and escalations.
I am skilled in active listening, problem-solving, and conflict resolution.
I strive to create positive customer experiences by going above and beyond to meet...
I am from New York City, known for its diverse culture and iconic landmarks.
Born and raised in the bustling city of New York
Grew up surrounded by a mix of cultures and traditions
Familiar with famous landmarks like the Statue of Liberty and Central Park
I am a dedicated and empathetic customer care executive with a passion for helping customers resolve their issues.
I have over 5 years of experience in customer service roles
I am skilled in active listening and problem-solving
I have a track record of exceeding customer satisfaction goals
I am proficient in using CRM software to manage customer interactions
I am fluent in English and Spanish, with basic knowledge of French, enabling effective communication with diverse customers.
Fluent in English: Used daily in professional settings.
Fluent in Spanish: Assisted Spanish-speaking customers in previous roles.
Basic knowledge of French: Can understand and respond to simple queries.
Yes, I am comfortable with night shifts as I have prior experience working in such shifts.
I have previous experience working night shifts in my previous job.
I am a night owl and feel more productive during night hours.
I am willing to adjust my schedule to accommodate night shifts.
I understand the importance of providing customer support round the clock.
I am aware of the challenges of working night shifts and am prepare...
I appeared for an interview before Aug 2024, where I was asked the following questions.
I appeared for an interview before Aug 2024, where I was asked the following questions.
I appeared for an interview in Jul 2025, where I was asked the following questions.
I appeared for an interview in Dec 2024.
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
Polymorphism is the ability of a single function or method to operate on different types of data.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).
Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.
Example: Function overloading...
Program to find number of repeated characters in a string
Iterate through each character in the string
Use a hashmap to store the count of each character
Increment the count if character is already present in the hashmap
Return the count of characters with count greater than 1
I am a dedicated Quality Engineer with a strong background in ensuring product quality and compliance with industry standards.
Experienced in conducting quality control tests and inspections
Skilled in analyzing data and identifying areas for improvement
Proficient in implementing quality management systems
Strong attention to detail and problem-solving skills
Excellent communication and teamwork abilities
I appeared for an interview in Jul 2025, where I was asked the following questions.
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
I am a dedicated Training Manager with over 8 years of experience in developing effective training programs and enhancing team performance.
Experience in designing and implementing training programs that improved employee performance by 30%.
Skilled in using various training methodologies, including e-learning and hands-on workshops.
Successfully managed a team of trainers, fostering a collaborative environment that encou...
Experienced Training Manager with a strong background in developing and implementing effective training programs.
Over 5 years of experience in training and development roles.
Successfully designed a leadership training program that increased employee retention by 20%.
Implemented a new onboarding process that reduced training time by 30%.
Collaborated with cross-functional teams to identify training needs and develop tail...
Developing and implementing training programs to improve employee performance and productivity.
Identifying training needs through performance evaluations and feedback
Designing training materials and resources
Delivering training sessions in various formats (e.g. classroom, online)
Evaluating training effectiveness through assessments and feedback
Collaborating with department heads to align training programs with organiza...
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The duration of Hexaware Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.
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