HCLTech Technical Engineer Interview Questions and Answers

I am a passionate software engineer with experience in developing web applications using various technologies.

• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and deployment tools like Heroku

I am a passionate software engineer with experience in developing web applications and solving complex problems.

• Experienced in developing web applications using technologies like HTML, CSS, JavaScript, and React

• Skilled in problem-solving and debugging code to ensure optimal performance

• Strong understanding of data structures and algorithms

• Familiar with Agile development methodologies and version control systems like Git

You need to take 36 turns to find a perfect pair.

• You need to pick 19 gloves to ensure a perfect pair.

• The worst case scenario is picking 18 white gloves and then the 19th glove is black.

• In that case, you need to pick 17 more gloves to find a black one and complete the pair.

The seven layers of networking refer to the OSI model which defines how data is transmitted over a network.

• The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has a specific function and communicates with the layers above and below it.

• For example, the Physical layer deals with the physical transmission of data, while the Application layer deals with user inte...read more

Sort a list of people by their cities and states.

• Use a sorting algorithm like quicksort or mergesort.

• Create a custom comparator function that compares the city and state of each person.

• If two people belong to the same city and state, sort them by their names.

• Example: [{name: 'John', city: 'New York', state: 'NY'}, {name: 'Jane', city: 'Boston', state: 'MA'}]

• Example output: [{name: 'Jane', city: 'Boston', state: 'MA'},

Developed a Btech project on automated attendance system using facial recognition.

• Developed a software application to automate the attendance process in educational institutions.

• Implemented facial recognition technology to identify and mark attendance of students.

• Used machine learning algorithms to train the system for accurate recognition.

• Integrated the application with a database to store attendance records.

• Provided ...read more

Code Pascal's Triangle

• Pascal's Triangle is a triangular array of binomial coefficients

• Each number is the sum of the two numbers above it

• The first and last numbers in each row are 1

• Can be implemented using nested loops or recursion

An abstract function is a function that has no implementation and must be implemented by its subclasses.

• An abstract function is declared with the 'abstract' keyword.

• It is used to define a template for its subclasses to follow.

• It cannot be instantiated and must be implemented by its subclasses.

• It can have abstract and non-abstract methods.

• Example: abstract class Animal { abstract void makeSound(); }

• Example: class Dog ex...read more

Abstract functions cannot be instantiated and must be implemented by child classes, while normal functions can be directly called.

• Abstract functions have no implementation in the parent class, while normal functions do.

• Abstract functions are declared with the 'abstract' keyword, while normal functions are not.

• Normal functions can be called directly, while abstract functions must be implemented by child classes.

• An examp...read more

Perfectionism and public speaking anxiety

• I tend to be a perfectionist, which can sometimes lead to spending too much time on a task

• I struggle with public speaking anxiety, but I have been working on improving my communication skills through practice and training

Capgemini is a global leader in consulting, technology services, and digital transformation.

• Capgemini has a strong reputation in the industry for delivering high-quality software solutions.

• The company offers a wide range of opportunities for career growth and development.

• Capgemini has a collaborative and inclusive work culture that fosters innovation and teamwork.

• The company has a global presence, providing exposure to...read more