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I applied via campus placement at Indian Institute of Technology (IIT), Chennai and was interviewed in Dec 2016. There were 6 interview rounds.
The best sorting algorithm depends on the specific use case and the characteristics of the data.
The best sorting algorithm for small arrays is often insertion sort due to its simplicity and efficiency.
For larger arrays, merge sort or quicksort are commonly used due to their average-case time complexity of O(n log n).
If the data is nearly sorted, algorithms like bubble sort or insertion sort can perform well.
If the data...
Merge sort is a divide-and-conquer algorithm that recursively divides the array into halves and merges them in sorted order.
Merge sort has a time complexity of O(n log n), where n is the number of elements in the array.
The algorithm divides the array into halves until each subarray has only one element.
Then, it merges the subarrays in sorted order, resulting in a sorted array.
The merging process takes O(n) time for eac...
Estimating the number of trees in Chennai is a complex task due to the city's size and diverse landscapes.
Chennai is a large city with a mix of urban, suburban, and rural areas, each with varying tree densities.
To estimate the number of trees, we can consider factors such as land area, tree cover percentage, and population density.
Satellite imagery and remote sensing techniques can be used to analyze tree cover in diff...
Asked about what’s written in the resume and some other technical questions and also coding
API is a set of protocols and tools for building software applications. Automation can be done using tools like Postman, SoapUI, etc.
API stands for Application Programming Interface
It is a set of protocols and tools for building software applications
APIs allow different software applications to communicate with each other
APIs can be automated using tools like Postman, SoapUI, etc.
Automation of APIs involves writing scr...
I applied via campus placement at Lovely Professional University (LPU) and was interviewed before Jul 2023. There were 2 interview rounds.
Just normal aptitude questions
Object-oriented programming concepts that focus on classes and objects
Encapsulation: bundling data and methods that operate on the data into a single unit (class)
Inheritance: ability of a class to inherit properties and behavior from another class
Polymorphism: ability to present the same interface for different data types
Abstraction: hiding the complex implementation details and showing only the necessary features
Data abstraction is the process of hiding the implementation details of a system and only showing the necessary information to the user.
Data abstraction allows users to interact with complex systems without needing to understand the inner workings.
It helps in reducing complexity and simplifying the user interface.
Examples include object-oriented programming where classes hide their internal data and expose methods for
I applied via Recruitment Consulltant and was interviewed before Nov 2022. There were 4 interview rounds.
While takeing aptitude test video will be on and it is 1 hr to take aptitude test
Allstate interview questions for designations
I applied via campus placement at Centre for Development of Advanced Computing (CDAC) and was interviewed in Nov 2021. There were 3 interview rounds.
C,C++,Java, English, mathematics, general apptitude
JavaScript has 7 different data types including number, string, boolean, null, undefined, object, and symbol.
Number: represents numeric values
String: represents textual values
Boolean: represents true/false values
Null: represents intentional absence of any object value
Undefined: represents an uninitialized value
Object: represents a collection of properties
Symbol: represents a unique identifier
NaN property in JavaScript stands for Not a Number.
It is a value of the global object.
It is returned when a mathematical operation fails or is undefined.
It is not equal to any value, including itself.
It can be checked using the isNaN() function.
React is a JavaScript library for building user interfaces.
React allows developers to create reusable UI components.
It uses a virtual DOM to efficiently update the UI.
React uses a unidirectional data flow, making it easier to debug and reason about code.
Keys in React are used to give each element in an array a stable identity, improving performance when updating the UI.
JSX is a syntax extension for JavaScript used in React to describe the UI.
JSX allows writing HTML-like code in JavaScript
Functional components are stateless and return JSX elements
Class components have state and lifecycle methods
Functional components are simpler and easier to test
Class components are more powerful and flexible
Virtual DOM is a lightweight copy of the actual DOM. React uses it to efficiently update the UI.
Virtual DOM is a JavaScript representation of the actual DOM.
It is a lightweight copy of the actual DOM tree.
React uses the virtual DOM to minimize the number of changes needed to update the UI.
When a component's state changes, React creates a new virtual DOM tree and compares it with the previous one.
React then updates only...
Get interview-ready with Top Allstate Interview Questions
I applied via Recruitment Consultant and was interviewed in Dec 2021. There were 6 interview rounds.
I was interviewed in Dec 2016.
I applied via campus placement at Indian Institute of Technology (IIT), Chennai and was interviewed in Dec 2016. There were 3 interview rounds.
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