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I applied via campus placement at The LNM Institute of information Technology, Jaipur and was interviewed in Nov 2024. There were 2 interview rounds.
They gave a topic in a group to start discussion and tell your points either against or in favor to topic.
I applied via campus placement at Lovely Professional University (LPU) and was interviewed in Oct 2023. There were 5 interview rounds.
Worldcup discussion
Roman to int , valid parentheses
Basic aptitude questions
Yes, Strings in Java are immutable.
Strings in Java cannot be changed once they are created.
Any operation that appears to modify a String actually creates a new String object.
Example: String str = "Hello"; str.concat(" World"); // str still remains "Hello"
InfoObjects interview questions for popular designations
Aptitude test was easy . It is all formula based
It was a pen-paper coding test in which we had to solve 2 questions out of 3 to enter into the next round.
It is a non-elimination round and the performance of both the coding and gd will take you forward to the technical round.
I applied via Naukri.com and was interviewed before Mar 2023. There was 1 interview round.
Repartition increases the number of partitions in a DataFrame, while coalesce reduces the number of partitions.
Repartition involves shuffling data across the network and can be used to increase the parallelism of operations.
Coalesce minimizes data movement by only creating new partitions if necessary.
Repartition is typically used when there is a need for more parallelism, while coalesce is used to reduce the number of ...
I applied via campus placement at Indian Institute of Technology (IIT), Delhi and was interviewed before Nov 2022. There were 2 interview rounds.
SQL query to retrieve the highest employee salary
Use the SELECT statement to retrieve the maximum salary from the employee table
Use the MAX() function to find the highest salary value
Combine the MAX() function with the SELECT statement to get the desired result
I applied via LinkedIn and was interviewed in Feb 2021. There were 3 interview rounds.
Top trending discussions
Palindrome code should be designed to check if a given string is the same forwards and backwards.
Create a function that takes a string as input
Remove any spaces and punctuation from the string
Reverse the string and compare it to the original string to check if it is a palindrome
ES6 introduced several new features and improvements to JavaScript, making it more powerful and efficient.
Arrow functions for more concise syntax
Let and const for block-scoped variables
Classes for easier object-oriented programming
Template literals for easier string interpolation
Default parameters and rest parameters for function arguments
Destructuring assignment for easier data extraction
Promises for asynchronous prog
Yes, let and const variables are hoisted but not initialized.
let and const variables are hoisted to the top of their block scope, but they are not initialized until the actual line of code is executed.
This means that you cannot access a let or const variable before it is declared in the code.
For example, trying to access a let variable before it is declared will result in a ReferenceError.
Global context refers to the overall environment or setting in which something exists or operates.
Global context encompasses all variables, functions, and objects that are accessible throughout an entire program.
It can be thought of as the 'big picture' view of a program's execution.
In web development, global context includes the window object in JavaScript.
Temporal dead zone is a period during the variable creation process where accessing the variable results in a ReferenceError.
Occurs when trying to access a variable before it has been declared with let or const
Happens due to the variable being in the temporal dead zone until it is declared
Example: accessing a variable before its declaration will result in a ReferenceError
Modules in Node.js are reusable blocks of code that encapsulate related functionality.
Modules in Node.js can be built-in modules like fs (file system) or third-party modules like express.
Modules help in organizing code into separate files for better maintainability and reusability.
Modules can be imported using the require() function in Node.js.
Indexes in MongoDB improve query performance by allowing the database to quickly locate and retrieve specific documents.
Indexes help to speed up query performance by allowing the database to quickly locate specific documents based on the indexed fields.
Without indexes, MongoDB would have to perform a collection scan, which can be slow and resource-intensive.
Indexes can be created on single fields or compound fields to ...
Hooks are a feature in React that allow you to use state and other React features in functional components. useRef is a hook that allows you to create a mutable object that persists for the lifetime of the component.
Hooks are used to add state and lifecycle methods to functional components in React
useRef is used to create a mutable reference that persists between renders
useRef can be used to access DOM elements directl
Mongoose is an Object Data Modeling (ODM) library for MongoDB that provides a higher level of abstraction and simplifies interactions with the database.
Mongoose provides schema validation which helps maintain data integrity.
Mongoose simplifies querying and data manipulation with built-in functions.
Mongoose supports middleware functions for pre and post processing of data operations.
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Senior Software Engineer
59
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| ₹7 L/yr - ₹25 L/yr |
Software Engineer
57
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| ₹3.8 L/yr - ₹12.5 L/yr |
Software Developer
40
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| ₹3.2 L/yr - ₹13 L/yr |
Data Engineer
22
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| ₹6.8 L/yr - ₹14 L/yr |
Senior Software QA Engineer
9
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| ₹5.5 L/yr - ₹9.2 L/yr |
Trianz
Persistent Systems
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