Innova Solutions Lead Data Engineer Interview Questions and Answers

Q1. Coding round followed by spark and aws questions
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Q2. Given a string containing alphanumeric characters how could you write a function to output a repeated characters if any number is present before the character in a string? Input: as2d3c[x]4b Output: asddcc...read more
Ans. 
The function should output repeated characters based on the numbers present before each character in the input string.
• Iterate through the input string character by character.

• If a number is encountered, store it as the repeat count for the next character.

• If a character is encountered, repeat it based on the stored count and append to the output string.

• Handle special characters like brackets separately.

• Example: Input 'as...read more
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Q3. Write a program for vending machine actions using oops
Ans. 
A program for vending machine actions using object-oriented programming principles.
• Create a class for VendingMachine with attributes like items, prices, and quantities

• Implement methods for adding items, selecting items, and returning change

• Use encapsulation to protect data and ensure proper functionality
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Q1. Questions related to kafka, spark, sql and aws cloud
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Q1. Behavioural questions, package and joining date related questions
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Basic spark programs and explanation
Algorithm solving
Round robin and tree implementation

Q1. Managerial round Mainly focuss on project and implementation
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Q1. Salary discussion and location
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