Volkswagen Servicenow Developer Interview Questions and Answers

Mcq

First Round was Aptitude and coding round. It consist 70 question, 30 aptitude question and 40 mcq type coding question

Q1. Find the one repeated number in an array and asked for four approaches
Ans. 
Find the one repeated number in an array using four different approaches.
• Approach 1: Using a hash set to store unique elements and checking for duplicates

• Approach 2: Sorting the array and checking adjacent elements for duplicates

• Approach 3: Using XOR operation to find the repeated number

• Approach 4: Using the sum formula to find the repeated number
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Q2. Simple sql queries
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Q1. Which language you will code
Ans. 
I am proficient in coding in multiple languages including Java, Python, and JavaScript.
• Java

• Python

• JavaScript
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Q2. Dsa topics in java
Ans. 
Data Structures and Algorithms topics commonly used in Java programming.
• Arrays and ArrayLists

• Linked Lists

• Stacks and Queues

• Trees and Graphs

• Sorting and Searching algorithms

• Dynamic Programming

• Hashing and Hashmaps
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Q1. About yourself and introduce
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Mcq

Q1. Introduced about company and it's business, background discussion
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Q2. Salary, appraisal and other policy discussion
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Coading question easy

Q1. Where c questions reverse a string, dynamic memory allocation
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Q2. All basic c programs
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Q1. About self and policies and joining dats
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Multiple choice questions from different modules .

Question from percentage , profit and loss and others apti module

Input output qustions from java language.