Techahead Software Associate Software Engineer Interview Questions and Answers for Freshers

Q1. Questions based on Objects and Classes Basic Questions related to DSA Projects discussions- Your Roles and Tasks Scenario based Questions Few Reasoning Questions
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Q1. Questions related to Trees and Graphs nested SQL Queries Scenario Based Questions Projects Logics for the coding given
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Q1. Just basic HR Questions Reallocation
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Q1. About your self
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Q2. About your technical skills
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Q3. Your experience
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Q4. Your qualification
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Q5. Will to do agreement if fresher
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There basic english language question for fresher they trained them later

All the questions are related to Java Concepts.

Q1. They do the technical interview according to the person.
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Q2. Not to worry too much. Just some OOPs concepts.
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Q3. If you are knowledgable, it'll be a rapid fire but fun.
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Q1. Print unique numbers in list
Ans. 
Print unique numbers in list
• Iterate through the list and store each number in a set to keep track of unique numbers

• Print out the numbers in the set to display the unique numbers
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Medium level coding questions on hackerrank ,1:30hr, topic- Array , DP , Matrix , Binary Search

Q1. Was Asked to Implement Hashmap and Question on OOPS and Dbms , SQL and Indexing
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Q1. Brief Introduction
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Q2. Rotten Oranges and basics of bfs and DFS
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Round duration - 30 minutes
Round difficulty - Medium

It was in the morning around 9:00Am-9:30AM. Platform used for this round was hacerrank. Questions were of moderate to difficult level.

Q1. Count subarrays with Given XOR
Given an array of integers ‘ARR’ and an integer ‘X’, you are supposed to find the number of subarrays of 'ARR' which have bitwise XOR of the elements equal to 'X&...read more
Ans. Brute Force
A simple method is to traverse through each subarray to find the total number of subarrays with the XOR of all elements present in the subarray equal to X.
 
To obtain the total number of rounds after each operation, we will maintain a variable ans, which stores the total number of subarrays. We will iterate the variable index from 0 to N - 1 and in each iteration, we will iterate pos from index to N - 1....read more
Answered by CodingNinjas
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Q2. Distinct Characters
Given a string “STR”, you need to return all the possible non-empty subsequences with distinct characters. You can return the strings in any order.
Note:
If the same string can be gen...read more
Ans. Brute Force
We can generate all possible subsequences of the string, and for each subsequence check if it contains any character multiple times. If it doesn’t contain any character multiple times, append it into our result.
 
Algorithm:
 
• Create a variable “mask”, and iterate from 0 till 2 ^ |STR| - 1.
  • For each value of “mask”, if the ith bit in “mask” is set, it means we are including the ith character of “STR” in...read more
Answered by CodingNinjas
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Round duration - 15 minutes
Round difficulty - Easy

It was in the night around 8:00PM-8:20PM. Interviewer was very calm in questioning. Platform used for this round was Skype and the questions focused more on personality rather than total.

Q1. Basic HR Questions
What do you know about our company?
Who is your role model?
Ans. 
Tip 1 : Your answer has to be short, crisp and to the point. Here are some possible high-impact answers to help you leave a great impression.
Tip 2 : Don’t fall into the interviewer’s trap. This question is shot at you to check your confidence level.
 
Answered by CodingNinjas
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Easy to medium level

Decent one somewhat medium level

Q1. Asked oops concepts and basics
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Q1. Normal hr questions and puzzles
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