Michelin Software Engineer Interview Questions and Answers

Q1. Embedded qns and oops qns
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Q2. What is virtual function
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A virtual function is a function in a base class that is declared using the keyword 'virtual' and can be overridden by a function with the same signature in a derived class.
• Virtual functions allow for dynamic polymorphism in object-oriented programming.

• They are used to achieve runtime polymorphism by allowing a function to be called based on the type of object it is called on.

• Virtual functions are declared in a base cl...read more
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Q3. What is polymorphism
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Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.
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Q4. Please don't attend this interview
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Q5. Idon'tknow hahab
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1 hr coding test with MCQ

Q1. Basic of technical background
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Q2. White box testing
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Q3. Black box testing
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Q1. General HR question
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Q2. Why you need this job
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Q3. Salary expectation
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Coding test, on C, around 1 hr, on teams

Q1. C basics Embedded C Aptitude
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Q1. Object oriented Concepts concepts
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Q2. Explain what is Constructors
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Constructors are special methods in a class that are used to initialize objects of that class.
• Constructors have the same name as the class they belong to.

• They are called automatically when an object is created.

• Constructors can have parameters to initialize object properties.

• Example: public class Car { public Car(String color) { this.color = color; }}
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Q3. DO you know about the design pattern in C++
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Design patterns in C++ are reusable solutions to common problems in software design.
• Design patterns help in creating flexible, maintainable, and scalable code.

• Examples of design patterns in C++ include Singleton, Factory, Observer, and Strategy.

• Each design pattern has its own purpose and can be applied in different scenarios.

• Understanding design patterns can improve code quality and efficiency.
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Q1. Difference between structure and union?
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Structure is a collection of variables of different data types while union is a collection of variables of same data type.
• Structure allocates memory for all its variables while union allocates memory for only one variable at a time.

• Structure is used when we want to store different types of data while union is used when we want to store only one type of data.

• Structure is accessed using dot operator while union is access...read more
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Q2. How to avoid dangling pointers?
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Dangling pointers can be avoided by setting them to NULL after freeing the memory they point to.
• Always initialize pointers to NULL.

• Set pointers to NULL after freeing the memory they point to.

• Avoid accessing memory through a pointer after it has been freed.

• Use smart pointers or garbage collection to automate memory management.
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Q3. Write a program to print Fibonacci series using recursion
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A program to print Fibonacci series using recursion.
• 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 recursive function with the desired number of terms and print the result
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Q1. What are your strengths in computer science?
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Q1. Technical mostly on semi conductor
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