Inno Valley Works Software Developer Interview Questions and Answers

Based on JavaScript and Java.

A task based on JavaScript.

Q1. Peak element in array
Ans. 
A peak element in an array is an element that is greater than or equal to its neighbors.
• Iterate through the array and check if the current element is greater than its neighbors.

• If the element at index i is greater than or equal to elements at indices i-1 and i+1, it is a peak element.

• Example: ['1', '3', '2', '4', '1'] has peak elements at index 1 and 3.
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Q2. 2 dimentional array rotate 90 degree
Ans. 
Rotate a 2D array by 90 degrees clockwise
• Transpose the array

• Reverse each row of the transposed array
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Pollitices current generation

3 hours coding test and majorly focus on javascript.

Q1. Opps concepts, DSA algorithm
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Q1. Find the second most occurrence if string in JavaScript
Ans. 
Find the second most occurrence of a string in an array of strings in JavaScript.
• Create a map to store the count of each string in the array

• Sort the map by values in descending order to find the most occurrence

• Return the key of the second element in the sorted map
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Coding is based scenario question , we have to write the code in paper. There is 1 hour time to complete the coding test.

Q1. I am unable to attend the second round.
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