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I applied via Referral and was interviewed in Jul 2024. There were 3 interview rounds.
SQL- 1 departments with no users
2 dept_id and their respective no. of users
DSA1: Most frequent no. in an array
DSA2: Zero Sum subarray exists
I applied via Referral and was interviewed before Oct 2023. There were 3 interview rounds.
Use a hash set to find duplicates in an array of strings.
Create a hash set to store unique elements.
Iterate through the array and check if the element is already in the hash set.
If it is, then it is a duplicate. If not, add it to the hash set.
Find the single duplicate element in an array of strings with length n-1.
Iterate through the array and use a HashSet to keep track of elements seen so far.
If an element is already in the HashSet, that is the duplicate element.
Return the duplicate element once found.
Create a student support system
Design an order and payments system for an EdTech company
Allow users to browse and select courses
Implement a shopping cart for users to add courses
Integrate payment gateways for secure transactions
Provide order confirmation and receipt to users
Allow users to track their order status
Top trending discussions
I applied via LinkedIn and was interviewed in Feb 2023. There were 6 interview rounds.
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
Android lifecycle refers to the series of states that an activity or fragment goes through from creation to destruction.
Android lifecycle includes states like onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.
Activities and fragments transition between these states based on user interactions and system events.
Understanding Android lifecycle is crucial for managing resources, saving state, and handling config...
Fragment lifecycle refers to the series of events that occur in the lifespan of a fragment in an Android app.
Fragments go through various states like created, started, resumed, paused, stopped, and destroyed.
Fragment lifecycle methods include onCreate(), onCreateView(), onResume(), onPause(), onStop(), onDestroy(), etc.
Fragment lifecycle is closely tied to the hosting activity's lifecycle.
Understanding fragment lifecyc...
I was interviewed in Aug 2022.
2 hrs duration with 2 easy level dsa questions and 15 around mcqs based on core cs concepts.
Implementing stack using linked list
Create a Node class with data and next pointer
Create a Stack class with top pointer
Implement push() method to add element to top of stack
Implement pop() method to remove element from top of stack
Implement peek() method to return top element without removing it
Find the first duplicate value in an array of strings.
Create a hash table to store the frequency of each string.
Iterate through the array and check if the string already exists in the hash table.
If it does, return the string. If not, add it to the hash table.
If no duplicates are found, return null or an appropriate message.
Simple coding questions.
Asking the dp and tree and other
They discussed some easy questions on Node JS and Dp and heap , binary search
Multithreading is the ability of a CPU to execute multiple threads concurrently, improving performance and responsiveness.
Multithreading allows for parallel execution of tasks, improving performance by utilizing multiple CPU cores.
It is commonly used in applications that require handling multiple tasks simultaneously, such as web servers, video games, and data processing.
Multithreading can help improve responsiveness i...
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