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I applied via Recruitment Consulltant and was interviewed in Aug 2024. There were 2 interview rounds.
The assignment test was provided which i had to complete within 3 days of span.
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I applied via campus placement at Sri Krishna College of Engineering and Technology, Coimbatore and was interviewed in Apr 2023. There were 3 interview rounds.
The first round happened on campus where we have solve 30 Mcq's + 1 coding question which was pretty basic. The duration of the test was 1 hr
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Custom hooks in React are reusable functions that allow you to extract component logic into separate functions for better code organization and reusability.
Custom hooks are created using the 'use' prefix and can be used to share logic between components.
Use cases for custom hooks include fetching data from an API, handling form state, managing local storage, and more.
Example of a custom hook for API call: const useFetc...
useMemo is used to memoize a value, while useCallback is used to memoize a function.
useMemo is used to memoize a value and recompute it only when its dependencies change.
useCallback is used to memoize a callback function and prevent unnecessary re-renders.
Example: useMemo can be used to memoize the result of a complex computation, while useCallback can be used to memoize an event handler function.
Class-based components use ES6 classes and have lifecycle methods, while functional components are simpler and use functions.
Class-based components use ES6 classes to create components, while functional components are created using functions.
Class-based components have lifecycle methods like componentDidMount and componentDidUpdate, while functional components do not.
Functional components are simpler and more lightweig...
Implementing the lifecycle of a React component in a functional component
Use the useEffect hook to replicate lifecycle methods like componentDidMount, componentDidUpdate, and componentWillUnmount
Pass an empty array as the second argument to useEffect to mimic componentDidMount
Pass a variable or state as the second argument to useEffect to mimic componentDidUpdate
Return a cleanup function inside useEffect to mimic compo
Various state management techniques in React include Context API, Redux, and local state.
Context API: React's built-in solution for passing data through the component tree without having to pass props down manually at every level.
Redux: A popular state management library for React applications, allowing for a centralized store to manage application state.
Local state: Managing state within individual components using us
Redux is a predictable state container for JavaScript apps. Middlewares are functions that intercept actions before they reach the reducer.
Redux follows a unidirectional data flow architecture.
Middlewares in Redux are functions that can intercept, modify, or dispatch actions.
Common use cases for middlewares include logging, asynchronous API calls, and handling side effects.
Examples of popular Redux middlewares are Redu...
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, meaning they can be called before they are declared.
Hoisting can lead to unexpected behavior if not understood properly.
Event bubbling is the propagation of events from the target element up through its ancestors in the DOM tree.
Events triggered on a child element will 'bubble up' and trigger on parent elements.
Event listeners can be attached to parent elements to handle events from multiple child elements.
Stopping event propagation can be done using event.stopPropagation() or event.stopImmediatePropagation().
Block scope and function scope are two types of scopes in JavaScript that determine the visibility and accessibility of variables.
Block scope refers to the visibility of variables within a block of code enclosed by curly braces. Variables declared with 'let' and 'const' have block scope.
Function scope refers to the visibility of variables within a function. Variables declared with 'var' have function scope.
Variables de...
Yes, I have experience working with semantic tags in HTML.
Used semantic tags like <header>, <nav>, <main>, <section>, <article>, <aside>, <footer> for better structure and SEO.
Understand the importance of using semantic tags for accessibility and search engine optimization.
Semantic tags help in organizing content and making it more readable for developers and browsers.
Various methods for creating an object in JavaScript include object literals, constructor functions, ES6 classes, and Object.create() method.
Object literals: var obj = { key: value };
Constructor functions: function ObjectName() { this.key = value; } var obj = new ObjectName();
ES6 classes: class ClassName { constructor() { this.key = value; } } var obj = new ClassName();
Object.create() method: var obj = Object.create(pr
Shallow copy only copies the references of nested objects, while deep copy creates new copies of nested objects.
Shallow copy creates a new object but does not create copies of nested objects, only copies their references.
Deep copy creates a new object and also creates new copies of all nested objects.
Shallow copy can be achieved using Object.assign() or spread operator, while deep copy can be achieved using JSON.parse(
The code will throw an error because 'a' is declared but not initialized.
The code will result in a ReferenceError because 'a' is declared but not assigned a value.
Variables declared with 'const' must be initialized at the time of declaration.
Initializing 'a' with a value before calling test() will prevent the error.
CSS can be used to arrange elements in a row and column layout using flexbox or grid layout properties.
Use display: flex; for a row layout and display: flex; flex-direction: column; for a column layout
Use justify-content and align-items properties to align items in the main axis and cross axis respectively
For grid layout, use display: grid; and grid-template-columns or grid-template-rows to define the layout
Yes, I have utilized CSS preprocessors such as SASS and LESS.
I have experience using SASS to streamline my CSS workflow by utilizing variables, mixins, and nesting.
I have also worked with LESS to improve code organization and maintainability through features like variables and functions.
The color applied will be based on the specificity of the selector, with ID having higher specificity than class.
ID has higher specificity than class in CSS
Color applied will be based on the selector with higher specificity
Example: If ID selector has color red and class selector has color blue, the color applied will be red
I applied via campus placement at J S S Academy of Technical Education, Bangalore and was interviewed in Dec 2024. There were 3 interview rounds.
Average to easy difficulty level.
String manipulation in Java involves various methods like substring, concat, replace, etc.
Use substring() to extract a part of the string
Use concat() to concatenate two strings
Use replace() to replace a specific character or substring in a string
Various sorting algorithms in Java code
Bubble Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
Selection Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
Insertion Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
Merge Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
Quick Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
The company is a leading software development firm specializing in creating innovative solutions for various industries.
Specializes in creating innovative software solutions
Works with clients from various industries
Known for high-quality and reliable products
Has a strong team of software engineers and developers
Handled conflicts by addressing issues directly, seeking compromise, and maintaining professionalism.
Addressed a disagreement with a colleague by scheduling a one-on-one meeting to discuss concerns and find common ground.
Resolved a conflict with a manager by actively listening to their perspective, providing feedback, and working together to find a solution.
Maintained professionalism during conflicts by staying calm, r...
I would gather more data to support my idea, present a compelling case to my manager, and be open to feedback and compromise.
Gather data to support the idea, such as market research, user feedback, or cost-benefit analysis.
Prepare a well-structured presentation highlighting the potential benefits of the product idea.
Listen to the manager's concerns and feedback, and be open to making adjustments or compromises.
Seek sup...
I was interviewed in Jan 2025.
posted on 3 Jan 2025
I applied via Referral and was interviewed in Dec 2024. There were 2 interview rounds.
Deep copy creates a new copy of an object with its own unique memory space, while shallow copy creates a new object that references the same memory locations as the original object.
Deep copy duplicates all nested objects, while shallow copy only duplicates the references to nested objects.
Deep copy ensures that changes to the copied object do not affect the original object, while shallow copy may lead to unintended sid...
Use a loop to swap characters of two strings without using strcpy function.
Create two arrays of characters to store the strings
Use a loop to iterate through each character of the strings and swap them
Ensure to handle cases where strings have different lengths
posted on 15 Jan 2025
I applied via Referral and was interviewed in Dec 2024. There were 3 interview rounds.
Topics on electronics and C programming
Program to generate Fibonacci sequence
Start with two initial numbers, 0 and 1
Add the previous two numbers to get the next number in the sequence
Repeat this process to generate the Fibonacci sequence
Example: 0, 1, 1, 2, 3, 5, 8, 13, ...
posted on 10 Dec 2024
I was interviewed in Nov 2024.
OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOP focuses on creating objects that interact with each other to solve problems.
Key concepts include encapsulation, inheritance, and polymorphism.
Encapsulation involves bundling data and methods that operate on the data into a single unit.
Inheritance allows classes to inherit at...
Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for improved performance and responsiveness.
Multithreading allows multiple tasks to be executed simultaneously on a single CPU core.
Each thread has its own program counter, stack, and set of registers.
Example: A web browser using multithreading to load a webpage while simultaneously downloading images in the background.
Rotate a 2D matrix by 180 degrees in place without using extra space.
Iterate through the matrix and swap elements symmetrically across the center row.
Use two pointers, one starting from the first row and the other from the last row, to swap elements.
Repeat the swapping process for each row until the entire matrix is rotated.
Example: Input matrix = [[1,2,3],[4,5,6],[7,8,9]], Output matrix = [[9,8,7],[6,5,4],[3,2,1]]
I was interviewed in Jan 2025.
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