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I was interviewed in Mar 2021.
Sort an array of 0s, 1s, and 2s in O(n) time complexity.
Use three pointers to keep track of the positions of 0s, 1s, and 2s.
Traverse the array and swap elements to their respective positions.
The first pointer should point to the first occurrence of 1, and the second pointer should point to the first occurrence of 2.
Example: [0, 1, 2, 0, 1, 2] -> [0, 0, 1, 1, 2, 2]
Design a service to shorten long URLs into short ones.
Generate a unique ID for each long URL and store it in a database.
Map the unique ID to the long URL and store it in the database.
Create a short URL by using the unique ID as a parameter.
Redirect the short URL to the long URL when accessed.
Implement security measures to prevent abuse and ensure privacy.
Consider implementing analytics to track usage and performance.
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Basics of aptitude logical reasoning and etcs
Wap for palindrome even odd and some string questions
I applied via Campus Placement and was interviewed in Aug 2022. There were 2 interview rounds.
I applied via LinkedIn and was interviewed in Sep 2023. There were 5 interview rounds.
Array and string questions
Behaviours test like psychometric
I applied via LinkedIn and was interviewed before May 2023. There were 2 interview rounds.
Simple leetcode medium
I applied via Naukri.com and was interviewed before Feb 2023. There was 1 interview round.
Serialization in Java is the process of converting an object into a stream of bytes to store or transmit data.
Serialization is used for object persistence, network communication, and deep cloning.
In Java, the Serializable interface is used to mark classes as serializable.
Objects can be serialized using ObjectOutputStream and deserialized using ObjectInputStream.
A zoo management system to track animals, enclosures, staff, and visitor information.
Create classes for animals, enclosures, staff, and visitors
Implement functions for adding, updating, and deleting records
Include features for scheduling feeding times, cleaning enclosures, and managing staff shifts
Standard DSA questions
Sde1
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Business Analyst
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Senior Business Analyst
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Software Development Engineer
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Product Support Engineer
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Twilio
Sinch
Infobip
RouteMobile