EdgeVerve Systems Interview Questions and Answers

Q1. Describe concurrent hashmap
Ans. 
Concurrent hashmap is a thread-safe version of hashmap in Java, allowing multiple threads to access and modify it concurrently.
• ConcurrentHashMap was introduced in Java 5 to address the thread-safety issue of HashMap.

• It allows multiple threads to read and write to the map concurrently without causing a ConcurrentModificationException.

• It achieves thread-safety by dividing the map into segments, each guarded by a separate...read more
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Q2. What is the hashmap?
Ans. 
HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• HashMap is part of the Java Collections Framework.

• It uses hashing to store and retrieve elements efficiently.

• Each key in a HashMap must be unique.

• Example: HashMap map = new HashMap<>(); map.put("apple", 5);
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Amazon supplier portal

Q1. How will you improve customer retention
Ans. 
I will improve customer retention by implementing personalized communication strategies and enhancing customer experience.
• Implement personalized communication strategies to make customers feel valued and understood

• Enhance customer experience by providing exceptional service and addressing any issues promptly

• Offer loyalty programs or incentives to encourage repeat business

• Gather feedback from customers to understand the...read more
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Aptitude test has questions from quants, logic and English

Q1. Questions related to job profile handled in the past
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Q2. Subject related questions
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It was good but questions were hard, I was given exam for Android developer and portal did not have kotlin compiler which is irritated.

Online hacker rank assessment

Q1. Online interview with live coding
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Q2. All about oops concepts
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Q3. About python regex
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Q1. Basic HR round ..
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3 coding question
2 - easy
1- Medium

Q1. Java , OOPs, DBMS, Project
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Q2. 1 coding question - java language
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Q3. Java Oops questions - baisc
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Q4. SQL questions - basic
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Q1. Normal HR questions
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3 question/3 hour in hacker rank

Q1. Question based on stack and string, and oops concepts
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