Ho presentato la mia candidatura tramite segnalazione di un dipendente. La procedura ha richiesto una settimana. Ho sostenuto un colloquio presso PayPal (Bengaluru) nel mese di apr 2022
Colloquio
Easy, comfortable, good process. Was completed in one day. Getting an interview took a while though. They get a lot of applicants. They have good interviewers, patient, in-depth questions asked.
Domande di colloquio [1]
Domanda 1
1. Array reverse, Expression tree and Binary tree. Simple In-Memory cache.
2. Merge 2 sorted arrays into a single one. Find duplicates no. in an array of natural no.
3. Function to return true if array contains three elements whose sum is X
4. When do you use HashMap vs TreeMap vs LinkedHashMap?
5. ArrayList vs LinkedList. How HashMap works internally.
6. Reverse a stack using just push and pop no extra space.
7. Design LLD for Instagram/ photo-sharing app, Design A Cron Job scheduler.
8. Design HLD for Twitter system/ automated parking lot to minimize the entry and exit times.
