Metaldyne Industries new Product Development Engineer Interview Questions and Answers

Round duration - 60 mins
Round difficulty - Medium

Q1. 
Railway Seat Berth Determination
Given a railway seat number represented as an integer, determine if it is a valid seat number and identify its berth type. Possible berth types include lower berth, middle...read more
Ans. 
Given a railway seat number, determine if it is valid and identify its berth type.
• Parse input integer 't' for number of test cases

• For each test case, check if seat number is valid (1 <= N <= 100)

• Identify berth type based on seat number and output the result

• Possible berth types are Lower, Middle, Upper, Side Lower, and Side Upper
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Round duration - 90 mins
Round difficulty - Hard

First they asked me to introduce myself then they started questioning on oops concept from basic to advance level such as inheritance, polymorphism, abstraction, exception handling , STL etc. Next they started questioning on data structures. They asked me the logic of “how to find the middle of a linked list”.

Q1. 
Matrix Symmetry Check
You are provided with a square matrix. Your task is to return true if the matrix is symmetric; otherwise, return false.
A symmetric matrix is characterized by its transpose being eq...read more
Ans. 
Check if a square matrix is symmetric by comparing it with its transpose.
• Iterate through the matrix and compare each element with its corresponding element in the transpose

• If any pair of elements do not match, return false immediately

• If all pairs match, return true at the end
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Basic aptitude questions. Just keep a track of time

2nd round is coding round. You can expect Leetcode medium questions. The topics asked are Linked list, Trees and arrays.

3rd round is again the Coding Test. Level of questions is Leetcode Medium to Leetcode Hard. Topics covered are Trees, Doubly Linked List, Dp etc.

Q1. 4th round is an hour-long technical interview. The interviewer will start by asking about your introduction and you can expect some questions about your introduction or projects. The rest of the time is gi...read more
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Q2. The questions were House Robber 3 from leetcode and some questions based on the binary array.
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Not selected but the questions were mostly based on DSA time complexity and pseudo code

Q1. Oops related questions
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Q2. C language quizzes
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Aptitude was conducted through online, it was not tough.

Offline round where they contain basic program, sql, and frontend questions

Q1. They asked about program that we have written.
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Q1. HR was friendly
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Moderate good and easy for clear fundamentals

Advanced Java coding

Q1. Entire core Java arrays and strings
Ans. 
Core Java arrays and strings are fundamental data structures used for storing and manipulating data in Java programming.
• Arrays in Java are used to store multiple values of the same data type in a single variable.

• Strings in Java are objects that represent sequences of characters.

• Arrays and strings in Java are both indexed collections, with arrays being mutable and strings being immutable.

• Example: String[] names = {"Alic...read more
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Q2. Java collections and Framework
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Q1. Some coding and framework
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Q2. REST assured and API
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