Navikenz India Software Engineer Interview Questions and Answers

There will be 3 coding questions. They are of medium and hard level.

Q1. Sort array consisting 0's 1's and 2's without inbuilt functions
Ans. 
Sort an array of 0's, 1's, and 2's without using inbuilt functions.
• Use three pointers to keep track of the last index of 0's, 1's, and 2's

• Iterate through the array and swap elements based on their value

• Continue until all elements are sorted
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Q1. Os cn related questions
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Q1. Java questions and general hr questions
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Q1. What is constructor overloading?
Ans. 
Constructor overloading is when a class has multiple constructors with different parameters.
• Allows a class to have multiple constructors with different parameter lists

• Helps in creating objects in different ways based on the parameters passed

• Example: class Car { Car() {...} Car(String model) {...} }
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Q1. What is your current salary, and what are your salary expectations?
Ans. 
I am currently earning $80,000 annually. My salary expectations are in the range of $90,000 to $100,000.
• Current salary is $80,000 annually

• Salary expectations are between $90,000 to $100,000

• Open to negotiation based on benefits and opportunities
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Q1. They ask generally about yourself and your experience background
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Q1. Most of the question related to NLP.
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Q2. What is the order of efficiency among MobileNet, DenseNet, and EfficientNet?
Ans. 
EfficientNet is the most efficient, followed by MobileNet and then DenseNet.
• EfficientNet is the most efficient among the three models due to its use of compound scaling and efficient building blocks.

• MobileNet is less efficient than EfficientNet but more efficient than DenseNet, as it uses depthwise separable convolutions to reduce computational cost.

• DenseNet is the least efficient among the three models, as it has a hi...read more
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Q3. Did they request me to write a lambda function in python? How handle the files using pandas
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Aptitude questions were easy and basics

Q1. They asked about projects, SQL basics, oops concepts and about java concepts
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Q2. It was an easy and average interview
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I had to evaluate a software and let them understand where this software could be implemented and the pros and cons of the software.

Q1. Java 8 new features
Ans. 
Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to pass functionality as an argument to a method.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to work with sequences of elements and perform aggregate operations.

• Default methods allow interfaces to have ...read more
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