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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 Feb 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Mar 2020. There was 1 interview round.
To get the second to last element from a SQL table, use the OFFSET-FETCH clause.
Use the ORDER BY clause to sort the table in descending order.
Use the OFFSET-FETCH clause to skip the last row and fetch the second to last row.
Example: SELECT column_name FROM table_name ORDER BY column_name DESC OFFSET 1 ROWS FETCH NEXT 1 ROWS ONLY;
I applied via Company Website and was interviewed before Mar 2021. There were 3 interview rounds.
Java assesment.
I applied via Campus Placement and was interviewed before May 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Mar 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Apr 2020. There were 4 interview rounds.
I applied via Company Website and was interviewed before Jun 2020. There was 1 interview round.
I applied via Walk-in and was interviewed in Dec 2019. There were 4 interview rounds.
based on 3 interviews
Interview experience
based on 19 reviews
Rating in categories
Software Engineer
23.5k
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
14.7k
salaries
| ₹0.8 L/yr - ₹6.5 L/yr |
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