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10+ Dassault Systemes Software Engineer Interview Questions and Answers

Updated 2 Jan 2025

Q1. C++ Program to reverse a string

Ans.

C++ program to reverse a string

  • Use a loop to iterate through the string

  • Swap the characters at the beginning and end of the string

  • Continue swapping until the middle of the string is reached

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Q2. how is a python list implemented

Ans.

A Python list is implemented as a dynamic array that can resize itself as needed.

  • Python lists are implemented as dynamic arrays, allowing for efficient insertion and deletion operations.

  • Lists in Python can hold elements of different data types.

  • Lists can be accessed using index values, starting from 0.

  • Example: my_list = [1, 'hello', True]

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Q3. 1.Difference between C and Cpp

Ans.

C is a procedural language while C++ is an object-oriented language.

  • C does not support classes and objects while C++ does.

  • C++ supports function overloading while C does not.

  • C++ has a built-in exception handling mechanism while C does not.

  • C++ supports namespaces while C does not.

  • C++ supports references while C does not.

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Q4. Polymorphism and its types

Ans.

Polymorphism is the ability of an object to take on many forms. It has two types: compile-time and runtime polymorphism.

  • Compile-time polymorphism is achieved through function overloading and operator overloading.

  • Runtime polymorphism is achieved through virtual functions and function overriding.

  • Polymorphism allows for code reusability and flexibility in object-oriented programming.

  • Example of compile-time polymorphism: function overloading - multiple functions with the same nam...read more

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Q5. explain exception handling

Ans.

Exception handling is a mechanism to handle runtime errors in a program to prevent it from crashing.

  • Exceptions are objects that represent errors or unexpected events in a program.

  • Try block is used to enclose the code that might throw an exception.

  • Catch block is used to handle the exception if it occurs.

  • Finally block is used to execute code regardless of whether an exception is thrown or not.

  • Throw keyword is used to manually throw an exception.

  • Example: try { // code that might...read more

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Q6. Copyone array to other without loop use

Ans.

Use array methods like slice or spread operator to copy one array to another without using a loop.

  • Use the slice method: let newArray = oldArray.slice()

  • Use the spread operator: let newArray = [...oldArray]

  • Both methods create a shallow copy of the original array

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Q7. Abstract and Interface difference

Ans.

Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.

  • Abstract classes can have constructors, member variables, and non-abstract methods, while interfaces cannot.

  • A class can implement multiple interfaces but can only inherit from one abstract class.

  • Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract for classes to implement.

  • Example: Abstract class 'Anim...read more

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Q8. Implement Linked List using stack

Ans.

Implement a Linked List using a stack data structure

  • Create a stack to store the elements of the linked list

  • Push new elements onto the stack when adding to the linked list

  • Pop elements from the stack when removing from the linked list

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Q9. Explain Oops concept

Ans.

Oops concept stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

  • Oops concept involves the use of classes and objects

  • It emphasizes on encapsulation, inheritance, polymorphism, and abstraction

  • Encapsulation is the bundling of data with the methods that operate on that data

  • Inheritance allows a class to inherit properties and behavior from another class

  • Polymorphism allows objects to be treated as instances of their parent class

  • Abst...read more

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Q10. Display The array in reverse

Ans.

Reverse the array of strings

  • Iterate through the array from the end to the beginning

  • Store each element in a new array in reverse order

  • Return the new array as the reversed version of the original array

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Q11. Location preferred

Ans.

Remote work preferred, open to occasional travel

  • Remote work preferred

  • Open to occasional travel

  • Flexible with location

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Interview Process at Dassault Systemes Software Engineer

based on 13 interviews
3 Interview rounds
Aptitude Test Round
Technical Round - 1
Technical Round - 2
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