Black Pepper Technologies Interview Questions and Answers

Q1. What is solid principle and describe the use Liskov principles
Ans. 
SOLID principles are design principles for software development. Liskov principle ensures substitutability of objects.
• SOLID principles are a set of five design principles that help in creating maintainable and scalable software.

• Liskov principle, named after Barbara Liskov, states that objects of a superclass should be replaceable with objects of its subclasses without affecting the correctness of the program.

• It ensures...read more
Answered by AI
View 1 more answer
Q2. What is view? How to optimize SP?
Ans. 
View is a virtual table that displays data from one or more tables. SP optimization can be done by reducing the number of joins and using proper indexing.
• View is a read-only table that is created by a query

• It can be used to simplify complex queries

• SP optimization can be done by reducing the number of joins

• Using proper indexing can also improve performance
Answered by AI
Add your answer

Q1. How do you use dependecy injection? What are advantages?
Ans. 
Dependency injection is a design pattern used to remove hard-coded dependencies and make code more modular and testable.
• Dependency injection is achieved by passing dependencies to a class or method through its constructor or method parameters.

• Advantages include increased modularity, easier testing, and reduced coupling between components.

• Examples of dependency injection frameworks include Spring and Guice for Java, and...read more
Answered by AI
Add your answer

Q1. Why do you want to change?
Add your answer
Q2. What is your next goal?
Add your answer

Q1. Basics of OOP,.Net mvc, SQL, JavaScript
Add your answer

Q1. Entity framework, Design Pattern,
Add your answer

Q1. Previous job role, salary negotiation
Add your answer

Q1. Question regarding Oops concepts
Add your answer
Q2. Whatis abstract methods
Ans. 
Abstract methods are methods that are declared in a class but do not have an implementation.
• Abstract methods are used to define a common interface for a group of subclasses.

• They are declared using the 'abstract' keyword and do not have a body.

• Subclasses must provide an implementation for all abstract methods.

• Abstract classes can have both abstract and non-abstract methods.

• Abstract methods cannot be instantiated and can
Answered by AI
Add your answer

Q1. Discuss 4 case study related to supply chain management.
Add your answer

Few simple questions and they will choose any unworthy candidates and then at a later date choose to fire them, realy sad to say.

Two pundits will join you, both of whom have no understanding of their own statements and believe that the methods they employ are the only correct approach to solving a specific problem.

Q1. Why you want to leave your current company?
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for career advancement

• Looking for new challenges and learning opportunities

• Seeking a more collaborative work environment

• Company restructuring or changes in management
Answered by AI
Add your answer
Q2. What is your expected salary?
Ans. 
My expected salary is based on my experience, skills, and the market rate for Software Engineers.
• Consider my years of experience in software development

• Research the average salary for Software Engineers in the location

• Factor in any additional skills or certifications that may increase my value
Answered by AI
Add your answer

Q1. What is raid and explain raid levels
Ans. 
RAID stands for Redundant Array of Independent Disks. It is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy, performance improvement, or both.
• RAID 0: Striping without parity, offers increased performance but no fault tolerance.

• RAID 1: Mirroring, offers fault tolerance by duplicating data on two or more driv...read more
Answered by AI
Add your answer
Q2. What are different types of storage environments
Ans. 
Different types of storage environments include cloud storage, on-premises storage, and hybrid storage solutions.
• Cloud storage: Data is stored on remote servers accessed over the internet, providing scalability and flexibility. Example: Amazon S3, Google Cloud Storage

• On-premises storage: Data is stored locally on physical servers within an organization's premises, offering control and security. Example: NAS devices, SA...read more
Answered by AI
Add your answer

Write a program which converts Nested list to flated list

Q1. Explain Complete Framework used in your organisation
Ans. 
Our organization uses a comprehensive framework that includes multiple technologies and tools for software development.
• Our framework includes front-end technologies like React and Angular for building user interfaces.

• For back-end development, we use Node.js and Spring Boot to create robust server-side applications.

• We also utilize databases such as MySQL and MongoDB for data storage and retrieval.

• Continuous integration ...read more
Answered by AI
Add your answer
Q2. Programm for reverse string,Complete core java concept with implementation in framework
Add your answer

Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

Q1. 
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...read more
Ans. 
Given two numbers represented as arrays, calculate their sum and return the result as an array.
• Iterate through the arrays from right to left, adding digits and carrying over if necessary

• Handle cases where one array is longer than the other by considering the remaining digits

• Ensure the final sum array does not have any leading zeros
Answered by AI
Add your answer

Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.