Healthians Software Developer Interview Questions and Answers for Freshers

Basic problem solving easy to medium level

Q1. Coding questions based on loops, arrays
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Q1. Coding a sorting algorithm
Ans. 
Sorting algorithm arranges elements in a specific order.
• Choose an appropriate sorting algorithm based on the data size and type.

• Common sorting algorithms include bubble sort, insertion sort, merge sort, quicksort, and selection sort.

• Implement the chosen algorithm in the programming language of choice.

• Test the algorithm with various input sizes and types to ensure correctness and efficiency.
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Q1. C++ related basic questions
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Q1. C++ and project related advanced questions
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Q1. Tell me about yourself.
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Q1. Oops, c#, design , .net framework
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Q1. Managerial, projects
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IT was basic question from string and array

Q1. Data structure question find all leaf node from tree.
Ans. 
Use depth-first search to traverse the tree and identify leaf nodes.
• Implement depth-first search algorithm to traverse the tree.

• Identify nodes with no children as leaf nodes.

• Store leaf nodes in an array for retrieval.
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Q2. Print sentence word in reverse order without using default function. eg: input:-> I live in New York. output:-> I evil ni weN kroY.
Ans. 
Reverse each word in a sentence without using default function.
• Split the sentence into words

• Iterate through each word and reverse it

• Join the reversed words back into a sentence
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Q1. Programming question :Fibonacci series using recursion.
Ans. 
Fibonacci series using recursion is a classic programming problem where each number is the sum of the two preceding ones.
• Define a recursive function that takes an integer n as input

• Base case: if n is 0 or 1, return n

• Recursive case: return the sum of the previous two Fibonacci numbers

• Call the function recursively with n-1 and n-2 until base case is reached
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Q2. Programming question: Find 1st 2nd and 3rd highest from array of integer.
Ans. 
Find 1st, 2nd, and 3rd highest integers from an array.
• Sort the array in descending order.

• Retrieve the first three elements from the sorted array.

• Handle cases where array length is less than 3.
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Q1. They asked Puzzle
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Q1. Salary Discussion
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Q1. Question on Template concept in c++
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Q2. Questions related to string
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Q1. Input output pointers related
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Q2. Polymorphism,casting class,
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Q1. Data structure used for snake and ladder
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Two Easy questions to be solved

Q1. Some Technical based questions
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Q2. It was amazing . Interviewer asked me to code for heap sort and asked me to explain.
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Q3. Write a code for heap sort algorithm and explain it?
Ans. 
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
• Heap sort works by building a binary heap from the array and then repeatedly extracting the maximum element and placing it at the end of the array.

• The heap is maintained as a complete binary tree, where each parent node is greater than or equal to its children.

• The time complexity of heap sort is O(n log n) and it is an in-place sor...read more
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