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HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
HashMap uses a hash function to map keys to indices in an array.
It allows for constant-time complexity O(1) for insertion, deletion, and retrieval operations.
Collisions can occur when multiple keys hash to the same index, which is resolved using techniques like chaining or open addressing.
Java's HashMap class i...
I appeared for an interview in Mar 2024.
I applied via Walk-in and was interviewed before May 2023. There was 1 interview round.
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I applied via Campus Placement and was interviewed before May 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Jul 2020. There were 4 interview rounds.
The project involved designing and implementing a new network infrastructure for a large corporation.
Conducted a thorough analysis of the existing network infrastructure
Designed a new network architecture that met the company's needs
Implemented the new network infrastructure with minimal disruption to business operations
Tested and optimized the new network to ensure optimal performance
Provided ongoing support and maint
I applied via Walk-in and was interviewed before Feb 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Referral and was interviewed before Jun 2020. There were 5 interview rounds.
I applied via Campus Placement and was interviewed before Nov 2020. There was 1 interview round.
based on 3 interviews
Interview experience
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Software Engineer
7
salaries
| ₹6 L/yr - ₹10.6 L/yr |
QA Engineer
7
salaries
| ₹7.1 L/yr - ₹15.1 L/yr |
Associate Software Engineer
5
salaries
| ₹2 L/yr - ₹6.8 L/yr |
Senior Software Engineer
5
salaries
| ₹16.9 L/yr - ₹18.8 L/yr |
Business Analyst
4
salaries
| ₹8 L/yr - ₹12 L/yr |
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