Volkswagen Group Technology Solution Software Developer Interview Questions and Answers

Question on sql , question on maths and logical and technical questions

Q1. Family background
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Q2. Internship done
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Q1. Internal working of Hash Map
Ans. 
Hash Map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash Map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

• Hash Map typically has a load factor threshold to determine whe...read more
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General Aptitude Test

Q1. OOPS , Database Questions
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Q1. This round was also same as round 2
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Coding questions codility hacker ranl

General topics like AI in real world is boom or boon

Q1. Javascript questions-like DOM,async js,Http request methods
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Q2. Write a code to finding sum of digits of a number untill sum becomes single digit
Ans. 
Code to find sum of digits of a number until sum becomes single digit
• Use a while loop to keep adding the digits of the number until the sum becomes a single digit

• Convert the number to a string to easily access individual digits

• Keep track of the sum and update it in each iteration

• Repeat the process until the sum is less than 10
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Q1. Project based questions
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Q2. What is the update in the project from the existed one
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