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HCLTech
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Coding test was moderate level
Case study given one case study asked questions on that
Negotiable based on experience, skills, and industry standards.
Salary expectations are influenced by factors such as experience, skills, location, and company size.
Research average salaries for Python and Django developers in your area to set realistic expectations.
Consider the benefits package offered by the company in addition to the base salary.
Be prepared to discuss your salary expectations during the interview pro
ORM stands for Object-Relational Mapping, a technique to map objects from an application to tables in a relational database.
ORM allows developers to interact with a database using objects instead of SQL queries.
It helps in abstracting the database interactions, making it easier to work with databases in an object-oriented way.
ORM frameworks like Django ORM in Python provide tools to define models that represent databas...
How do you print the summation of all the numbers from 1 to 101...?
Lambda function is an anonymous function in Python that can have any number of arguments, but can only have one expression.
Lambda functions are defined using the lambda keyword.
They are commonly used for small, one-time operations.
Lambda functions can take any number of arguments, but can only have one expression.
Example: lambda x: x*2 defines a lambda function that doubles the input value.
Inheritance in Python allows a class to inherit attributes and methods from another class.
Inheritance is achieved by creating a new class that derives from an existing class.
The new class (subclass) can access the attributes and methods of the existing class (superclass).
Subclasses can also override or extend the functionality of the superclass.
Example: class Dog(Animal) - Dog inherits attributes and methods from Anima
Self introduce and skill and progress to achive me life
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I applied via Campus Placement and was interviewed before Aug 2020. There were 4 interview rounds.
Factorial can be calculated using a loop by multiplying numbers from 1 to n.
Initialize a variable to 1
Use a loop to multiply the variable with numbers from 1 to n
Return the variable
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.
Count the number of pairs in an array whose sum is equal to a given number k.
Iterate through the array and for each element, check if k minus the element exists in the array.
Use a hash table to store the frequency of each element in the array.
If the array contains duplicates, handle them separately to avoid overcounting.
Time complexity can be improved to O(n) using a two-pointer approach.
I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.
Abstraction is the process of hiding complex implementation details and exposing only the necessary information.
Abstraction helps in reducing complexity and increasing efficiency.
It allows us to focus on the essential features of an object or system.
Abstraction can be achieved through abstract classes, interfaces, and encapsulation.
For example, a car can be abstracted as a vehicle with certain properties and methods.
Ab...
Hiding implementation means keeping the internal details of a class or function hidden from the outside world.
It is a fundamental principle of object-oriented programming.
It helps in achieving encapsulation and abstraction.
It prevents the user from accessing the internal workings of a class or function.
Examples include private variables and methods in a class.
It allows for easier maintenance and modification of code.
It...
I appeared for an interview in Mar 2021.
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