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Elfonze Technologies Interview Questions and Answers
Elfonze Technologies Interview Experiences
3 interviews found
Anonymous
(2 Questions)
- Q1. Tell about your self
- Q2. Your achievements and accomplishment
- Ans.
I have consistently exceeded targets, led successful projects, and contributed to team growth and development.
Achieved a 20% increase in recruitment efficiency by implementing a new applicant tracking system.
Led a team of 5 in a project that reduced time-to-hire from 45 to 30 days.
Developed a training program for new recruiters, resulting in a 15% improvement in onboarding satisfaction scores.
Successfully filled 100+ p...
Talent Acquisition Interview Questions asked at other Companies
I applied via Walk-in and was interviewed in Aug 2023. There were 3 interview rounds.
Aptitude rounds includes all the basic questions of the ds,oops,java,os questions
(1 Question)
- Q1. All the basic questions of H R like ,introduce yourself ,why should we hire u? etc of 25 questions.
(1 Question)
- Q1. All about project and resume based question .
Interview Preparation Tips
Project Engineer Interview Questions asked at other Companies
I applied via Recruitment Consulltant and was interviewed before Nov 2021. There were 2 interview rounds.
(3 Questions)
- Q1. Core java concepts with example
- Ans.
Core Java concepts include OOP, inheritance, polymorphism, encapsulation, and abstraction.
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects.
Inheritance allows a class to inherit properties and methods from another class.
Polymorphism allows objects to take on multiple forms or behaviors.
Encapsulation is the practice of hiding data and methods within a class.
Abstraction is the pr...
- Q2. Collections and java 8 features and use case in detail
- Ans.
Java 8 features like streams and lambdas make collections more efficient and concise.
Java 8 introduced streams which allow for functional-style operations on collections.
Lambdas can be used to define custom operations on collections.
The 'filter' method can be used to select elements from a collection based on a condition.
The 'map' method can be used to transform elements in a collection.
The 'reduce' method can be used ...
- Q3. Java program to solve the problem from list of custom java objects having vehicle and manufacturer relationships
- Ans.
Java program to solve vehicle-manufacturer relationship problem using custom objects
Create custom Java objects for vehicle and manufacturer
Establish relationship between them using appropriate data structures
Write a program to solve the problem using the objects and their relationships
Use object-oriented programming principles to ensure code reusability and maintainability
Interview Preparation Tips
Focus on basics
Core concept of java and sql
Java 8 and spring boot is must
Skills evaluated in this interview
Lead Architect Interview Questions asked at other Companies
Jobs at Elfonze Technologies
Interview questions from similar companies
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Java questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
(1 Question)
- Q1. Print 1 to 100 without for loop
- Ans.
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
(1 Question)
- Q1. General questions as per your cv
Interview Preparation Tips
- Aptitude
I applied via Recruitment Consultant and was interviewed before Jul 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. DS Algo Questions on Trees. Leadership Principles
Interview Preparation Tips
I applied via Naukri.com
Interview Questionnaire
2 Questions
- Q1. Why Amazon?
- Q2. What do you expect from Amazon?
Interview Preparation Tips
I applied via Newspaper Ad and was interviewed before Jun 2021. There were 3 interview rounds.
(1 Question)
- Q1. Basic questions of java.
(1 Question)
- Q1. Intro and other hr related questions.
Interview Preparation Tips
SAMKIT JAIN
I appeared for an interview in Aug 2017.
Interview Questionnaire
7 Questions
- Q1. Implement Merge Sort.
- Ans.
Merge Sort is a divide and conquer algorithm that sorts an array by dividing it into two halves, sorting them separately, and then merging the sorted halves.
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
- Q2. Given a BST containing distinct integers, and a number ‘X’, find all pairs of integers in the BST whose sum is equal to ‘X’.
- Ans.
Find pairs of integers in a BST whose sum is equal to a given number.
Traverse the BST and store the values in a hash set.
For each node, check if (X - node.value) exists in the hash set.
If yes, add the pair (node.value, X - node.value) to the result.
Continue traversal until all nodes are processed.
- Q3. Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals.
- Ans.
Merge overlapping time intervals into mutually exclusive intervals.
Sort the intervals based on their start time.
Iterate through the intervals and merge overlapping intervals.
Output the mutually exclusive intervals.
Example: [(1,3), (2,6), (8,10), (15,18)] -> [(1,6), (8,10), (15,18)]
- Q4. What are the different types of hashing? Suggest an alternative and a better way for Linear Chaining.
- Ans.
Different types of hashing and alternative for Linear Chaining
Different types of hashing include division, multiplication, and universal hashing
Alternative for Linear Chaining is Open Addressing
Open Addressing includes Linear Probing, Quadratic Probing, and Double Hashing
- Q5. Implement AVL Tree.
- Ans.
An AVL tree is a self-balancing binary search tree where the heights of the left and right subtrees differ by at most one.
AVL tree is a binary search tree with additional balance factor for each node.
The balance factor is the difference between the heights of the left and right subtrees.
Insertion and deletion operations in AVL tree maintain the balance factor to ensure the tree remains balanced.
Rotations are performed ...
- Q6. Minimum number of squares whose sum equals to given number n.
- Ans.
Find the minimum number of squares whose sum equals to a given number n.
Use dynamic programming to solve the problem efficiently.
Start with finding the square root of n and check if it is a perfect square.
If not, then try to find the minimum number of squares required for the remaining number.
Repeat the process until the remaining number becomes 0.
Return the minimum number of squares required for the given number n.
- Q7. Insertion sort for a singly linked list.
- Ans.
Insertion sort for a singly linked list.
Traverse the list and compare each node with the previous nodes
If the current node is smaller, swap it with the previous node
Repeat until the end of the list is reached
Time complexity is O(n^2)
Interview Preparation Tips
Experience: There were 2 coding questions (no penalty for wrong submission) and 20 Multiple Choice Questions(with negative marking). We were given 90 minutes to solve them. MCQs were based on Data Structures, OS, CN, C outputs, OOP etc.
Tips: Experience in Competitive Programming might help in solving coding questions. No constraints were mentioned and detailed Instructions related to problem were stated vaguely. So code carefully.
Duration: 1 hour 30 minutes
Total Questions: 22
Round: Technical Interview
Experience: The interviewer asked me to introduce myself and a brief introduction of the projects that I have done. She first asked me questions related to my project. After that she moved on to the data structures part.
Tips: Take your time to approach the problems and if the question is not clear ask the interviewer to explain it again.
Round: Technical Interview
Experience: The interviewer asked me about how my previous round went. After that, he asked me to introduce myself and a brief introduction of the projects that I have done. He first asked me a few questions related to my project. Then he moved on to the data structures part. In this round the interviewer gave me strict time limit for coding the solution on paper for each problem and as soon as I was done coding he gave me 2-3 minutes every time to find errors and debug my code.
Tips: Do not panic even if the interviewer sets time limit while solving problems. If the question is not clear ask the interviewer to explain it again.
College Name: The LNM Institute Of Information Technology, Jaipur
Skills evaluated in this interview
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