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Energy Exemplar
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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.
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,
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
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...
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
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I applied via Naukri.com and was interviewed in Jun 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Mar 2020. There were 3 interview rounds.
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...
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,
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
I applied via Naukri.com and was interviewed before Jan 2023. There were 3 interview rounds.
I applied via Company Website and was interviewed before May 2018. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2019. There were 4 interview rounds.
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Software Engineer
21
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| ₹0 L/yr - ₹0 L/yr |
Associate Software Engineer
16
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| ₹0 L/yr - ₹0 L/yr |
Energy Market Analyst
12
salaries
| ₹0 L/yr - ₹0 L/yr |
Senior Software Engineer
11
salaries
| ₹0 L/yr - ₹0 L/yr |
Associate Data Analyst
10
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| ₹0 L/yr - ₹0 L/yr |
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