INCREFF Data Engineer Interview Questions and Answers

General and basic data structure question

Q1. Coding over the video call
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Q2. Java programs for strings , palindrome etc
Ans. 
Java programs for strings, palindrome, etc.
• Use the StringBuilder class to manipulate strings efficiently.

• To check if a string is a palindrome, compare it with its reverse.

• To count the occurrences of a substring in a string, use the indexOf method in a loop.

• To split a string into an array of substrings, use the split method.
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Q3. Projects questions on which you have worked
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Q4. Explanation skill will also be considered
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Easy questions, nothing difficult

Q1. Previous round explanation
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Q1. Will definitely try to low ball you
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Python , dictionary operations

Q1. Family background
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Q2. Location and salary
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Q1. 2 puzzles, basic levels use of AP, GP
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Q2. 2 basic code outputs
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Mathematical and pseudo code

Q1. Given a topic and ask to speak
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Q1. Python libraries
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Moderate level with mix of all the topics in the aptitude

Q1. Here they tested our communication skill in which we were asked to record a selfie video telling about a certain topic which will be given my the interviewers
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Q1. Was asked about python , sql , aptitude and puzzles
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Q1. Inversion count
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Q1. Regex pattern Dynamic programming
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