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HCLTech
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I appeared for an interview before Sep 2022.
Use a hash set to find duplicates in a string efficiently.
Create a hash set to store characters as you iterate through the string.
If a character is already in the hash set, it is a duplicate.
Return a list of duplicates found in the string.
What people are saying about HCLTech
I applied via Campus Placement and was interviewed before Mar 2020. There was 1 interview round.
Triggers are database objects that automatically execute in response to certain events or changes in data.
Triggers are used to enforce business rules or data integrity.
They can be used to audit changes to data.
Triggers can be set to execute before or after an event, such as an insert, update, or delete operation.
They can be defined on tables, views, or schemas.
Examples of triggers include sending an email notification ...
I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
posted on 22 Aug 2021
I applied via Recruitment Consultant and was interviewed in Feb 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed in Jul 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
based on 3 interviews
Interview experience
based on 19 reviews
Rating in categories
Software Engineer
23.6k
salaries
| ₹1.9 L/yr - ₹8 L/yr |
Technical Lead
21.6k
salaries
| ₹7 L/yr - ₹28 L/yr |
Senior Software Engineer
16.1k
salaries
| ₹4.5 L/yr - ₹17 L/yr |
Lead Engineer
15.8k
salaries
| ₹4.1 L/yr - ₹14 L/yr |
Analyst
14.8k
salaries
| ₹0.8 L/yr - ₹6.6 L/yr |
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