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Tecmantras Interview Questions, Process, and Tips
Tecmantras Interview Experiences
1 interview found
Anonymous
Selected
I applied via LinkedIn and was interviewed before Oct 2022. There were 2 interview rounds.
(5 Questions)
- Q1. What is react js
- Ans.
React JS is a JavaScript library for building user interfaces.
React JS is used for creating interactive user interfaces for web applications.
It allows developers to create reusable UI components.
React uses a virtual DOM for efficient rendering of components.
It follows a component-based architecture for building UI elements.
React JS is maintained by Facebook and a community of developers.
- Q2. What useState hook
- Ans.
useState is a hook in React that allows functional components to have state.
useState is a built-in hook in React for adding state to functional components
It returns an array with two elements - the current state value and a function to update that value
Example: const [count, setCount] = useState(0);
- Q3. UseState hook use to upadate the state values
- Ans.
useState hook is used to update the state values in React components.
useState hook is a built-in React hook that allows functional components to have state.
It returns an array with two elements - the current state value and a function to update that value.
Example: const [count, setCount] = useState(0);
To update the state value, you call the setter function returned by useState, passing in the new value.
Example: setCoun
- Q4. What is use of redux
- Ans.
Redux is a predictable state container for JavaScript apps.
Centralized state management for React applications
Helps in managing complex state logic
Enables time-travel debugging
Facilitates data flow in a unidirectional manner
Improves performance by reducing unnecessary re-renders
- Q5. Redux is used to globally state management
Skills evaluated in this interview
React Js Frontend Developer Interview Questions asked at other Companies
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement
Interview Questionnaire
3 Questions
- Q1. What is your final year project?what technology did i used for it?Basic oops concepts.
- Ans.
My final year project was on developing a web-based inventory management system using Java and MySQL.
Developed using Java and MySQL
Web-based inventory management system
Implemented basic OOPs concepts
Used MVC architecture for better code organization
Included features like user authentication, product management, and order tracking
- Q2. What did you do in lockdown?
- Q3. Tell me something about yourself.
Interview Preparation Tips
I applied via LinkedIn and was interviewed before Jun 2021. There were 2 interview rounds.
They give some topics related to present situation like in my GD in 2020 co. HR give topics related to that situation in our country like difference between offline education and online education system. and covid-19 pandemic related topics.
(4 Questions)
- Q1. Tell me About your self ?
- Q2. What do you know about this job position ?
- Q3. What is your favourite colour ? Can i know the speciality of your favourite colour ?
- Q4. Who inspired you to go to job daily and work hard ?
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Sep 2021. There were 2 interview rounds.
(1 Question)
- Q1. All types of test steeps
- Ans.
Types of test steps in software testing
Unit testing - testing individual units or components of the software
Integration testing - testing how different units or components work together
System testing - testing the entire system as a whole
Acceptance testing - testing if the software meets the requirements and is ready for release
Regression testing - testing to ensure that changes or updates to the software did not intro...
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Questions related to COBOL,JCL,VSAM,DB2,CICS,Vision plus
Interview Questionnaire
2 Questions
- Q1. Resume based questions
- Q2. Basics with application
I applied via Walk-in and was interviewed before Nov 2021. There was 1 interview round.
(4 Questions)
- Q1. My self , Previous work knowledge, Salary expectations.
- Q2. Why you left last organisation?
- Q3. What is your salary expectations ?
- Q4. Where do you live at ?
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Tell me about yourself and basic questions related to programming.
Interview Questionnaire
1 Question
- Q1. Occurs, precompile , file status codes , sql queries and scenarios on sql.
Interview Questionnaire
7 Questions
- Q1. Solid principles
- Q2. Extension methods
- Q3. Static class and static constructor
- Ans.
Static class and static constructor in C#
Static class can only contain static members and cannot be instantiated
Static constructor is called only once when the class is first accessed
Static constructor is used to initialize static members of the class
Example: Math class in C# is a static class
Example: static constructor can be used to initialize a static variable with a value
- Q4. Polymorphism
- Q5. Dependency injection
- Q6. Angular life cycle hook
- Q7. Performance improvement in Angular app
- Ans.
Performance improvement in Angular app
Use lazy loading to load modules on demand
Optimize change detection strategy
Use trackBy function in ngFor loops
Minimize DOM manipulation
Use AOT compilation
Implement server-side rendering
Use web workers for heavy computations
Use caching for frequently accessed data
Skills evaluated in this interview
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Rating in categories
|
Reactjs Developer
5
salaries
|  ₹2.4 L/yr - ₹9.3 L/yr |
|
.NET Software Developer
3
salaries
| ₹6 L/yr - ₹10.2 L/yr |
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