Tetherfi Technologies Software Developer Interview Questions and Answers

In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank

Q1. DSA QUESTION LIKE TREE AND GRAPH
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Q2. DP AND SORTING APPROACH
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Again same but dsa question and oops concept in deep level

Q1. Rest Apis questions
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Q1. Core java and OOPS and LLD
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Q1. Questions on Oops concepts
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Q2. Questions on design patterns
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General Topic And controversial topic

Q1. Number series in python
Ans. 
Number series in python involves generating a sequence of numbers based on a specific pattern or rule.
• Use loops or list comprehensions to generate number series.

• Identify the pattern or rule to determine the next number in the series.

• Examples: Fibonacci series, prime numbers series, arithmetic progression.
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Q2. Basic python questions and patterns
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1 hour , dsa, hackerearth, medim to hard

Q1. Dsa question was asked in it
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Q2. Questions related to resume was asked
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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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Comprehensive questions

Java strings programs

A paper based test and it was technical

Q1. About the projects
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Q2. Some sql questions
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