EQL Financial Technologies Network Engineer Interview Questions and Answers for Experienced

I have cleared the first test

Q1. Tell me about your self and some language based questions.
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Q2. Tell me about your self
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First round is apti when in placement

Too hard all are dsa questions

Q1. Internal Implementation of HashMap
Ans. 
HashMap is implemented using an array of linked lists to handle collisions.
• HashMap stores key-value pairs in an array of linked lists

• Hash function is used to determine the index of the array where the key-value pair will be stored

• Collision handling is done by chaining, where multiple key-value pairs with the same hash value are stored in the same linked list

• HashMap allows null keys and values

• HashMap is not synchronized...read more
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Test was based on arrays and some dsa concepts.

Q1. What is Java String pool?
Ans. 
Java String pool is a special memory area in Java heap where String literals are stored to optimize memory usage.
• String pool is a part of Java heap memory.

• String literals are stored in the String pool to avoid duplicate objects.

• Strings created using double quotes are stored in the String pool.

• Strings created using new keyword are not stored in the String pool.
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Q1. Did you have any conflicts with your peers and have did you handle it?
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There was a hacker rank assignment

Leetcode style question, medium

Q1. System design question normal
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Coding question of moderate difficulty

Q1. They asked Java coding question
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