6 FarEye Software Developer Interview Questions & Answers | Complete Prep Guide 2025

FarEye Software Developer Interview Experiences

2 interviews found

Software Developer Interview Questions & Answers

Anonymous

posted on 15 Nov 2024

Interview experience

Excellent

Difficulty level

Process Duration

Result

Round 1 - Coding Test

Standard dsa questions, easy to medium

Software Developer Interview Questions & Answers

Anonymous

posted on 18 Jan 2022

I applied via Company Website and was interviewed in Dec 2021. There were 3 interview rounds.

Interview Questionnaire

6 Questions

Q1. What is LRU caching and how it can be implemented?

Ans.

LRU caching is a technique to store frequently used data in cache memory to improve performance.

LRU stands for Least Recently Used.
It removes the least recently used item from the cache when the cache is full.
It uses a doubly linked list and a hash map to implement the cache.
When an item is accessed, it is moved to the front of the list.
When the cache is full, the item at the end of the list is removed.
Example: Java Li...

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Q2. Explain producer-consumer problem and write code using thread.

Ans.

Producer-consumer problem involves synchronization between threads to avoid race conditions.

Producer produces data and adds it to a shared buffer
Consumer consumes data from the shared buffer
Synchronization is required to avoid race conditions
Code example: https://www.geeksforgeeks.org/producer-consumer-solution-using-threads-in-java/

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Q3. Check a tree is BST or not.

Ans.

To check if a tree is a BST or not.

Traverse the tree in-order and check if the values are in ascending order.
For each node, check if its value is greater than the maximum value of its left subtree and less than the minimum value of its right subtree.
Recursively check if the left and right subtrees are also BSTs.

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Q4. Reverse a single linked list.

Ans.

Reverse a single linked list.

Iterate through the list and change the direction of the pointers
Keep track of the previous, current and next nodes
Set the head of the list to the last node after reversing

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Q5. Print the all anagrams of same type in same line from array of Strings

Ans.

Print all anagrams of same type in same line from array of Strings

Create a HashMap with sorted string as key and list of anagrams as value
Iterate through array and add each string to corresponding list in HashMap
Print all values in HashMap

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Q6. Features added in Java 8

Ans.

Java 8 introduced lambda expressions, functional interfaces, streams, and default methods.

Lambda expressions allow functional programming in Java.
Functional interfaces are interfaces with a single abstract method.
Streams provide a way to process collections of data in a functional way.
Default methods allow interfaces to have implementation.
Date and Time API improvements.
Nashorn JavaScript engine added.

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Interview Preparation Tips

Interview preparation tips for other job seekers - I have appeared on Techgig challenge and get a call from HR regarding Software development Java position.
First round is scheduled on Barraiser and is taken by Third party person. In these round, first interview give me a question to print anagrams from list of strings and to be printed of same type in different line. I have started by discussing the approach and then after 20-30 mins, I was able to reach the optimal solution. Then he discussed me about my project that I am working in current company and tell me to draw the architecture diagram.
After 2 days, I got the call from the HR and selected for 2nd round technical interview with Technical lead.
First time, they have postponed the call which is scheduled on Google meet.
In second time, the interviewer joined and round started with introduction of both and the interview tell me about the company and how it is growing and all.
Then we move to technical discussion. First he asked me about what are features are added in Java 8, then one by one concepts of Java regarding threading, producer-consumer problem.
After OOPS concept discussion, he gave me two DSA problems to solve in optimal way. I am unable to do that since I have not gone through it.
In the interview, I am pretty sure that I am not selected for the next round as my DSA is weak.
And after interview, I have never received any call nor any mail regarding my rejection and feedback.

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