EdgeVerve Systems Interview Questions, Process, and Tips

Name,intrest,list,array,hashing

Q1. Tell me abt urself
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Q2. Why should we hire u
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There were 3 hackerrank questions two was easy level one medium.

Q1. Majorly focused on OOPS concepts.
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Coding test with 3 basic questions on string and array

Q1. Given program to find bug
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Q2. Find max occurance number in array
Ans. 
Find the number with the highest frequency in an array of strings.
• Create a map to store the frequency of each number in the array.

• Iterate through the array and update the frequency in the map.

• Find the number with the highest frequency in the map.
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Q3. Asked basic c++ and SQL questions. Also some questions related to banking
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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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