HARMAN Senior Java Developer Interview Questions and Answers

Q1. What is your weakness
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Q2. What is pn junction diode
Ans. 
A pn junction diode is a semiconductor device that allows current to flow in one direction only.
• Consists of p-type and n-type semiconductor materials

• When forward biased, allows current to flow easily

• When reverse biased, blocks current flow
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Java and Data Strcuture

Q1. Matrix to find the nearest word
Ans. 
Find the nearest word in a matrix of strings
• Create a matrix of strings

• Calculate the distance between the input word and each word in the matrix

• Return the word in the matrix with the smallest distance to the input word
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Q2. Finding smallest subset in string
Ans. 
Find the smallest subset of strings in an array
• Iterate through the array and compare the length of each string to find the smallest subset

• Use a variable to keep track of the smallest subset found so far

• Return the smallest subset at the end
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Logical reasoning, quantitative

Q1. Java basics and intermediate
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Q2. What is recursion
Ans. 
Recursion is a programming technique where a function calls itself in order to solve a problem.
• Recursion involves breaking down a problem into smaller subproblems and solving them recursively.

• It requires a base case to stop the recursive calls.

• Examples include factorial calculation, Fibonacci sequence generation, and tree traversal.
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Aptitude duration One hours
Level moderate

Coding Test Duration 3 hours
Level moderate to hard

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I also ready for this and this is so effective for me.