Kratikal Tech Private Limited Node JS Developer Interview Questions and Answers

Q1. What is recursive function?
Ans. 
A recursive function is a function that calls itself within its definition.
• A recursive function must have a base case to prevent infinite recursion.

• Recursion is often used to solve problems that can be broken down into smaller, similar subproblems.

• Example: Factorial function, Fibonacci sequence.
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Q2. Difference between c and c++
Ans. 
C is a procedural programming language while C++ is an object-oriented programming language.
• C is a procedural programming language, while C++ is a combination of procedural and object-oriented programming.

• C does not support classes and objects, while C++ does.

• C does not have built-in support for exception handling, while C++ does.

• C does not have namespaces, while C++ does.

• C does not have function overloading, while C++
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Q3. Inheritance and data structures?
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Q1. What are the Oops concepts
Ans. 
Oops concepts are the fundamental principles of object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex i...read more
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Q2. How to reverse any string
Ans. 
To reverse a string, iterate through the characters and build a new string in reverse order.
• Iterate through the characters of the string from end to start

• Append each character to a new string to build the reversed string

• Return the reversed string as the result
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Q1. They will ask you about core java
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Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Familiar with Agile methodologies

• Completed multiple projects including a web-based inventory management system
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Q1. We are you applied to this job
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They will give you something to make in 2 hours time.

Q1. Easy they just ask about your resume stuff
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Q2. Introduction of yourself family and all
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Q3. Project you made explanation
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Aptitude was to the point. Was Easy

Then there was an assignment where have to create a web project.

Q1. Are you comfortable with bond
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Q2. Are you comfortable with relocation
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Q3. What are your skillsets.
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Q1. College project details and coding experience
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Good level logical question

Q1. Next 5 years where you see yourself
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DSA Round - Need to explain the answer

1hr, hacker rank, was a good problem to solve