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Dynamic programming questions were asked
1) convert stack to queue
2) replace special characters in a string
posted on 23 Mar 2023
I applied via Naukri.com and was interviewed before Mar 2022. There were 2 interview rounds.
Middleware is software that acts as a bridge between different applications or components, facilitating communication and data exchange.
Middleware enables interoperability between software systems
It provides a layer of abstraction, allowing components to communicate without knowing the details of each other
Examples of middleware include message queues, web servers, and API gateways
I applied via campus placement at National Institute of Technology (NIT), Raipur and was interviewed in Jul 2024. There were 2 interview rounds.
The coding test consists of multiple-choice questions and one medium-hard level coding question.
I applied via campus placement at Dayananda Sagar College of Engineering, Bangalore and was interviewed in Oct 2024. There were 4 interview rounds.
3 coding dsa question
Difficulty is On your luck
My friends got easy level
I got medium level
Some got hard questions as well
Ssh round , quant and logical
Tip: bring your calculator
posted on 8 Oct 2024
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
OOPS is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOPS focuses on the concept of classes and objects
Encapsulation: bundling data and methods that operate on the data within a single unit
Inheritance: allows a class to inherit properties and behavior from another class
Polymorphism: ability to present the same interface for diffe...
Comparable is an interface used for natural ordering, Comparator is an interface used for custom ordering. Abstract class can have method implementations, Interface cannot.
Comparable interface is used to define the natural ordering of objects. Example: String class implements Comparable interface for natural ordering based on alphabetical order.
Comparator interface is used to define custom ordering of objects. Example:...
Count occurrences of each character in a given string
Create an array to store the count of each character
Iterate through the string and increment the count of each character in the array
Return the array with counts for each character
Remove duplicates from an array of strings
Iterate through the array and store each element in a set to keep track of unique values
Create a new array with the unique values from the set
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
1st round is aptitude and pesudocode
posted on 9 Oct 2024
Manual testing is important for exploratory testing, usability testing, and ad-hoc testing.
Manual testing allows for exploratory testing where testers can explore the application and identify unexpected issues.
Usability testing, which involves real users interacting with the software, is best done manually to capture user experience.
Ad-hoc testing, where testers randomly test the application without predefined test cas...
Testing a web application for an online shopping platform
Testing the functionality of adding items to the cart and checking out
Testing the payment gateway integration for secure transactions
Testing the search functionality to ensure accurate results are displayed
Testing the responsiveness of the website on different devices and browsers
posted on 5 Oct 2024
Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class.
Allows a class to inherit attributes and methods from another class
Promotes code reusability and reduces redundancy
Creates a parent-child relationship between classes
Derived class can override or extend the functionality of the base class
Types of joins in MySQL include inner join, left join, right join, and full join.
Inner join: Returns rows when there is a match in both tables.
Left join: Returns all rows from the left table and the matched rows from the right table.
Right join: Returns all rows from the right table and the matched rows from the left table.
Full join: Returns rows when there is a match in one of the tables.
Use a centralized API gateway to manage and route requests to multiple APIs efficiently.
Implement a centralized API gateway to handle incoming requests and route them to the appropriate API based on the endpoint.
Utilize API management tools like Apigee, Kong, or AWS API Gateway to manage and monitor multiple APIs.
Consider implementing a caching layer to improve performance and reduce the number of requests to external
strstr function searches for a substring within a string and returns a pointer to the first occurrence of the substring.
Used in C programming language
Syntax: char *strstr(const char *haystack, const char *needle)
Example: char *str = strstr("hello world", "world")
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