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BetterPlace Safety Solutions
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I applied via LinkedIn and was interviewed in Aug 2022. There were 2 interview rounds.
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posted on 29 Sep 2024
I applied via Approached by Company and was interviewed before Sep 2023. There were 4 interview rounds.
Hackerearth platform was provided , Question was based on Tree dsa. Need to run and pass few test cases.
Design patterns , chess LLD
Design blocking queue which can handle the multithreading scenario
Developed a web application for tracking inventory and sales data
Used React for front-end development
Implemented RESTful APIs using Node.js and Express
Utilized MongoDB for database management
posted on 9 May 2024
posted on 1 Jul 2022
I appeared for an interview in Jan 2022.
posted on 21 Jun 2023
I appeared for an interview before Jun 2022.
C++ coding question with multiple choice output and 1 code to write.
posted on 26 Jun 2023
Javascript basic question was asked
posted on 27 Nov 2024
I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.
1 hour interview for data structure coding
I applied via Instahyre and was interviewed in Oct 2021. There was 1 interview round.
Design a schema for a restaurant app like Zomato.
Create tables for restaurants, menus, reviews, and users.
Include columns for restaurant name, location, cuisine, and ratings.
Add columns for menu items, prices, and descriptions.
Include user information such as name, email, and password.
Create relationships between tables using foreign keys.
Implement search and filter functionality for restaurants and menus.
Allow users t...
A transaction is a unit of work that is performed on a database.
A transaction is a sequence of database operations that are treated as a single unit of work.
It ensures that all the operations are completed successfully or none of them are performed.
Transactions are used to maintain data consistency and integrity in a database.
Examples of transactions include transferring money between bank accounts or updating inventor
SQL is a relational database while NoSQL is a non-relational database.
SQL databases use structured query language while NoSQL databases use unstructured query language.
SQL databases are vertically scalable while NoSQL databases are horizontally scalable.
SQL databases are good for complex queries while NoSQL databases are good for large amounts of unstructured data.
Examples of SQL databases include MySQL, Oracle, and Po...
Multitasking in Java can be achieved through multithreading.
Create a new thread using the Thread class or Runnable interface
Use the start() method to start the thread
Synchronize shared resources to avoid race conditions
Use wait() and notify() methods for inter-thread communication
Example: creating a thread to perform a long-running task while the main thread continues executing other tasks
Semaphores are a synchronization tool used to control access to a shared resource.
Semaphores can be used to prevent race conditions in multi-threaded programs.
They can be used to limit the number of concurrent accesses to a resource.
Semaphores can be binary (0 or 1) or counting (0 to n).
Examples of semaphore functions include wait(), signal(), and init().
I applied via Campus Placement and was interviewed before Mar 2021. There were 4 interview rounds.
90 minute test on hacker rank consisting of 3 coding questions all of medium difficulty. Most candidates are required to solve more than 1 question.
Find the lowest common ancestor of a binary tree.
Traverse the tree recursively from the root node.
If the current node is null or matches either of the given nodes, return the current node.
Recursively search for the nodes in the left and right subtrees.
If both nodes are found in different subtrees, return the current node.
If both nodes are found in the same subtree, continue the search in that subtree.
Find first missing positive integer from an array of non-negative integers.
Create a hash set to store all positive integers in the array
Loop through the array and add all positive integers to the hash set
Loop through positive integers starting from 1 and return the first missing integer not in the hash set
Design a parking lot
Consider the size and capacity of the parking lot
Decide on the layout and organization of parking spaces
Implement a system to manage parking availability and reservations
Include features like ticketing, payment, and security
Consider scalability and future expansion
Group list of strings into distinct anagrams.
Create a hash table with sorted string as key and list of anagrams as value.
Iterate through the list of strings and add each string to its corresponding anagram list in the hash table.
Return the values of the hash table as a list of lists.
Assistant Manager
32
salaries
| ₹5 L/yr - ₹16.7 L/yr |
Senior Operations Analyst
23
salaries
| ₹2.2 L/yr - ₹5.1 L/yr |
Manager
20
salaries
| ₹6.2 L/yr - ₹21.5 L/yr |
Operations Analyst
19
salaries
| ₹1.8 L/yr - ₹3.8 L/yr |
Software Developer
17
salaries
| ₹6 L/yr - ₹18 L/yr |
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