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Energy Exemplar Associate Software Engineer Interview Questions and Answers
Energy Exemplar Associate Software Engineer Interview Experiences
1 interview found
I applied via Campus Placement and was interviewed in Aug 2024. There were 3 interview rounds.
It was a mcq + coding round with computer fundamentals and aptitude + easy-medium level dsa questions.
It was an offline aptitute test with 30 questions for 30 minutes.
(4 Questions)
- Q1. Detect a loop in the linked list
- Ans.
Detect a loop in a linked list by using Floyd's Cycle Detection Algorithm
Use two pointers, slow and fast, to traverse the linked list
If there is a loop, the fast pointer will eventually meet the slow pointer
Initialize slow and fast pointers at the head of the linked list
Move slow pointer by one step and fast pointer by two steps in each iteration
If the fast pointer reaches the end of the list or meets the slow pointer,
- Q2. Find the unique element in an array
- Ans.
Find the unique element in an array of strings
Iterate through the array and use a hashmap to store the frequency of each element
After iterating, check the hashmap for elements with frequency 1 to find the unique element
- Q3. Tell about your projects
- Ans.
I have worked on various projects including a web application for a local business and a mobile app for tracking daily habits.
Developed a web application using HTML, CSS, and JavaScript for a local business to manage their inventory and sales.
Created a mobile app using React Native to track daily habits and provide reminders for healthy routines.
Collaborated with a team to implement new features and fix bugs in existin...
- Q4. Write a MySQL query for selecting the id of second highest salary from employee table
- Ans.
MySQL query to select the id of second highest salary from employee table
Use ORDER BY clause to sort salaries in descending order
Use LIMIT to select the second row
Use a subquery to avoid duplicates if multiple employees have the same salary
Interview Preparation Tips
- RDBMS
- Frontend
- DSA
- System Design
Skills evaluated in this interview
Interview questions from similar companies
(2 Questions)
- Q1. Describe Life cycle in react
- Ans.
React has three main phases in its lifecycle: mounting, updating, and unmounting.
Mounting: when a component is created and inserted into the DOM
Updating: when a component is updated due to changes in props or state
Unmounting: when a component is removed from the DOM
Lifecycle methods can be used to perform actions at each phase, such as componentDidMount() or componentWillUnmount()
React also has error handling methods,
- Q2. Explain strict mode in javascript and it's use
- Ans.
Strict mode is a way to write secure and optimized JavaScript code.
Enables catching of silent errors
Disallows duplicate property names or parameters
Prevents use of undeclared variables
Makes `eval()` safer to use
Throws errors on invalid usage of `this` keyword
CURD operations along with implementation of a mock UI
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Tell about Oops concepts
- Ans.
OOPs concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex imple...
(1 Question)
- Q1. Will ask coding related
(1 Question)
- Q1. What is Expected salary
(1 Question)
- Q1. Basics .net , c#, sql
(1 Question)
- Q1. Current Project Details, Roles and some technical questions too
(1 Question)
- Q1. Package Discussion and Other basic details
Interview Preparation Tips
anusha jabu
(1 Question)
- Q1. More about API automation
Selected
I applied via Naukri.com and was interviewed before Jan 2023. There were 3 interview rounds.
(1 Question)
- Q1. Basics Oops concepts and SQL queries along with currently working projects stacks
(1 Question)
- Q1. More in-depth technical questions use of reflections etc
(1 Question)
- Q1. Usual HR interviews company values etc
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. Find the index of second maximum interger in a given array.
- Ans.
Find the index of second maximum integer in a given array.
Iterate through the array to find the maximum integer.
Then iterate again to find the second maximum integer and return its index.
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Guidewire Software
Anonymous
posted on 21 Aug 2024
I applied via LinkedIn and was interviewed in Feb 2024. There were 3 interview rounds.
(1 Question)
- Q1. How to identify if a queue is circular
- Ans.
A circular queue can be identified by checking if the rear pointer is one position behind the front pointer.
Check if rear pointer is one position behind front pointer
Check if front pointer is at index 0 and rear pointer is at index n-1 in an array of size n
Check if front pointer is at index rear+1 modulo n in an array of size n
(1 Question)
- Q1. Design notification system
- Ans.
Design a notification system for a software application.
Identify the types of notifications needed (e.g. email, SMS, in-app)
Consider the frequency and urgency of notifications
Implement a notification queue to handle multiple notifications
Include user preferences for notification settings
Utilize push notifications for real-time updates
Write multiple polyfills for array
Skills evaluated in this interview
Hackerrank algorithms and ds test
(1 Question)
- Q1. Technical on java and aws
Selected
I applied via Referral and was interviewed before Jan 2023. There were 3 interview rounds.
Logical Reasoning, Questions on distances, Questions on directions
1- Difference between array list and linked list.
2- Reverse the linked list
1-Difference between Arraylist and Linked list.
2-Check if strings are anagram.
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Rating in categories
|
Software Engineer
22
salaries
|  ₹11 L/yr - ₹23 L/yr |
|
Associate Software Engineer
18
salaries
| ₹8 L/yr - ₹13 L/yr |
|
Associate
13
salaries
| ₹11 L/yr - ₹13 L/yr |
|
Energy Market Analyst
12
salaries
| ₹10 L/yr - ₹22.2 L/yr |
|
Senior Software Engineer
11
salaries
| ₹21 L/yr - ₹38 L/yr |
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