SWQA Solutions Front end Developer Interview Questions and Answers

Round duration - 360 minutes
Round difficulty - Medium

Basically TCS conduct its flagship event named as CODEVITA . And it offers Internship to prefinal (3rd )year students .

Q1. 
Allocate Books Problem Statement
Given an array of integers arr, where arr[i] represents the number of pages in the i-th book, and an integer m representing the number of students, allocate all the books ...read more
Ans. 
Allocate books to students in a way that minimizes the maximum number of pages assigned to a student.
• Iterate through possible allocations and calculate the maximum pages assigned to a student.

• Find the minimum of these maximums to get the optimal allocation.

• Return the minimum pages allocated in each test case, or -1 if not possible.
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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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Q1. What is the role of u in ur project
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Q2. Why do u choose this project?
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6o minutes test with 2 coding question of your preference

Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q9. Tell me about your questions
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90 minutes 3 coding questions

Q1. Wall the topics rite a code using of OOPS
Ans. 
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
Ans. 
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
Ans. 
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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Q1. What is AOT And JIT How angular different from react Route guard
Ans. 
AOT (Ahead-of-Time) and JIT (Just-in-Time) are compilation techniques used in Angular. Angular and React differ in their architecture and data binding approach. Route guards in Angular are used to control access to routes.
• AOT compilation in Angular converts TypeScript code into efficient JavaScript code during the build process, resulting in faster rendering and smaller bundle sizes.

• JIT compilation in Angular compiles ...read more
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Q2. How angular application build
Ans. 
Angular applications are built using the Angular CLI, which provides a command-line interface for creating, building, and serving Angular projects.
• Angular applications are built using the Angular CLI (Command Line Interface)

• The Angular CLI provides commands for creating new projects, generating components, services, modules, etc.

• To build an Angular application, you can use the 'ng build' command which compiles the appl
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Q3. Project discussion
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Q1. Test interview test interview
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Q2. Test interview with next level questions
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