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Basic logic test docker and AWS services like ECS, serverless, s3 and SQS
I was interviewed before Jan 2023.
Javascript coding question, output related questions, closure
let, const, and var are JavaScript keywords used to declare variables with different scoping rules.
let and const are block-scoped variables introduced in ES6, while var is function-scoped.
let allows reassignment, while const is a constant that cannot be reassigned.
Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their scope.
Closure is a combination of a function and the...
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posted on 28 Jul 2023
I applied via campus placement at Galgotias College of Engineering and Technology, Greater Noida and was interviewed in Jun 2023. There were 5 interview rounds.
Topics consist of profit-loss, probability, permutation combination etc.
Coding question related to topics array and strings.
Java is a popular backend language, polymorphism allows objects to be treated as instances of their parent class, reverse string by iterating through characters.
Java is commonly used in backend development for its robustness and scalability.
Polymorphism in OOP allows objects to be treated as instances of their parent class, enabling flexibility and reusability.
To reverse a string, iterate through the characters from th...
I applied via Referral
.Net Core is a free, open-source, cross-platform framework for building modern, cloud-based, internet-connected applications.
Developed by Microsoft as the successor to the .NET Framework
Supports multiple operating systems like Windows, macOS, and Linux
Provides high performance and scalability for web applications
Includes a modular and lightweight runtime called CoreCLR
Allows developers to use C#, F#, and Visual Basic
Microservices offer benefits such as scalability, flexibility, and easier maintenance.
Scalability: Microservices allow for individual components to be scaled independently, leading to better resource utilization.
Flexibility: Each microservice can be developed, deployed, and updated independently, allowing for more flexibility in the development process.
Easier maintenance: With microservices, it is easier to identify an...
ViewBag and ViewData are used in ASP.NET MVC to pass data from controller to view.
ViewBag is a dynamic property that allows you to pass data from controller to view.
ViewData is a dictionary object that allows you to pass data from controller to view.
ViewBag is a dynamic object while ViewData is a dictionary object.
Example: ViewBag.Title = 'Home Page'; ViewData['Message'] = 'Welcome to my website';
CORS stands for Cross-Origin Resource Sharing, a security feature that allows servers to specify who can access their resources.
CORS is a security feature implemented by browsers to prevent unauthorized access to resources on a different origin.
It allows servers to specify which origins are allowed to access their resources through HTTP headers.
CORS is commonly used to enable cross-origin requests in web applications, ...
JWT is a compact, self-contained way to securely transmit information between parties as a JSON object.
JWT stands for JSON Web Token.
It consists of three parts: header, payload, and signature.
It is commonly used for authentication and information exchange in web development.
Example: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf3
1 Hours aptitude test on hacker rank based on Aptitude question, Java, SQL
Wrapper class is a class that wraps around a primitive data type and provides additional functionality.
Wrapper classes in Java are used to convert primitive data types into objects.
They provide methods to access the value of the wrapped primitive type.
Examples include Integer, Double, Boolean, etc.
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
The self keyword in Python is a reference to the current instance of a class.
Self is the first parameter in the definition of instance methods within a class.
It is used to access variables and methods within the class.
Self is not a reserved keyword in Python, but it is a convention to use self as the first parameter in instance methods.
posted on 16 May 2024
I applied via campus placement at P E S College of Engineering, Mandya and was interviewed before May 2023. There were 3 interview rounds.
Aptitude
Logically reasoning
Verbal
Use Set data structure to remove duplicate elements from the array.
Create a Set from the array to automatically remove duplicates.
Convert the Set back to an array to get the unique elements.
Example: const array = ['apple', 'banana', 'apple', 'orange'];
Example: const uniqueArray = [...new Set(array)];
I applied via Campus Placement
Coding programming
posted on 21 Dec 2021
I was interviewed in Sep 2021.
Round duration - 30 minutes
Round difficulty - Medium
Basic questions from Operating System, Object Oriented Programming, DBMS, various tech stacks used in project. Be through with the basics of these subjects. Like in my case DDL and scheduling algorithms were asked.
Asked questions related on css,javascript and some sql queries. Interviewer was helpful. If one gives a answer that is not exactly correct, he provided me hints .
CPU scheduling algorithms
Various types of Database Languages
Find the second highest salary from employees table.
Tip 1 : Prepare OOPS and DBMS thoroughly(Meaning go through the basics. That was asked in my interview. Like DCL, Scheduling algorithms in DBMS).:
Tip 2 : Study your resume and projects as well. Questions from the tech stack used in projects are asked.
Tip 3 : One should know basics of data structures like tree, stack and maps
Tip 1 : Have some projects in your resume.
Tip 2 : Mention only those tech skills other than Algorithms and Data Structures that has been used in your projects and internships. As there will be questions from it and how it was used in projects.
I applied via Naukri.com and was interviewed before May 2021. There were 4 interview rounds.
3 coding program.
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Infosys
TCS
Wipro
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