Concentrix Corporation Front end Developer Interview Questions and Answers

Html, CSS, Javascript, Bootstrap, React Js, Node Js, GitHub, Git

Q1. Self Introduction
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Q2. My self Velithurla Indra
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Q3. I have completed my graduation Bsc computer science
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Q4. My strength is self-motivated & skills aslo
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Q5. My short term goal is to get a job in reputed company
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Q1. It was a array question. I was told to return a object from a function which would contain getting all the array elements, adding a element, deleting a element. The test was on hacker rank.
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Q1. This was basically a one on one round. I was asked basics of HTML, CSS and React. Questions like Hoisting, Prop Drilling, Context API. Not only do you need to know what the topics are. But I was asked to i...read more
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Q1. Basic Company Details and Salary Negotiations
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90 minutes 3 coding questions

Q1. Wall the topics rite a code using of OOPS
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Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.
• Create classes to represent real-world entities

• Encapsulate data and behavior within classes

• Use inheritance to create relationships between classes

• Implement polymorphism to allow objects to be treated as instances of their parent class
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Q2. Polymorphism code using all the properties
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Polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism is achieved through method overriding in subclasses.

• It allows for more flexibility and reusability in code.

• Example: Animal superclass with subclasses Dog and Cat, both overriding the makeSound() method.
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Q3. Inheritance and its types
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Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class.
• Types of inheritance include single inheritance, where a class inherits from only one parent class

• Multiple inheritance, where a class inherits from multiple parent classes (not supported in some languages)

• Multilevel inheritance, where a class inherits from a class that itself inherits from anothe...read more
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Q1. Tell me about yourself
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Q2. Basic hr questions only
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Aptitude test is best for first round.

Second round is best for coding test.

Q1. Self introduction and technical information about front end developer.
Ans. I say properly and uniqly for about my introduction.
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Q2. As a you are fresher or experience
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Q3. Reason for IT field.
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IT field offers endless opportunities for innovation and growth.
• IT is a constantly evolving field with new technologies and trends emerging regularly.

• IT provides opportunities to work on exciting projects and solve complex problems.

• IT offers a wide range of career paths, from development to design to project management.

• IT is a field that is in high demand, with many job opportunities and competitive salaries.

• IT has the...read more
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Q1. About front end developer likes html and css.
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Q2. About html and css and java script
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Study about front end developer

Q1. Sementic html and display properties in css
Ans. 
Semantic HTML focuses on the meaning and structure of content, while display properties in CSS control how elements are visually displayed on a webpage.
• Semantic HTML uses tags that convey the meaning of the content, such as <header>, <nav>, <article>, <section>, <footer>.

• Display properties in CSS include properties like display: block, display: inline, display: inline-block, display: flex,...read more
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Q2. Hoisting in Javascript and different array methods
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Hoisting is a mechanism in JS where variables and functions are moved to the top of their scope. Array methods are built-in functions to manipulate arrays.
• Hoisting applies to variable and function declarations

• Variables declared with let and const are not hoisted

• Array methods include push(), pop(), shift(), unshift(), splice(), slice(), forEach(), map(), filter(), reduce()

• push() adds an element to the end of an array

• pop...read more
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Q1. Tell me about your projects.
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Q2. Asked the Javascript concepts related Questions
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Q3. Asked Responsiveness in UI
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Q1. How were you managing your Project Tasks
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Q1. Salary Negotiations
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Q1. JavaScript Questions (Hoisting , closures , Promises)
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Q1. Basic JavaScript and React Questions .
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Q1. Last round Behavioural Questions
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Q1. Explain promise in javascript
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Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.

• Example: new Promise((resolve, reject) => { ... }).then(result => { ... }).catch(error =>
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Q2. HTML and CSS basic question
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Q3. Let and var difference
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let is block scoped, var is function scoped
• let is block scoped, var is function scoped

• let can't be re-declared in the same scope, var can be

• let variables are not hoisted, var variables are hoisted
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Q4. Spread and rest operator
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Q5. Jwt and interceptor concepts
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