Raphe mPhibr Macanical Eng Interview Questions and Answers

Create an API using Notepad to check if a string is a palindrome or not.

Q1. Solid principal
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Q1. Use of volatile const ?
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Volatile const is used to indicate that a variable's value may change outside the program's control.
• Volatile const is used for hardware registers that can change their value without the program's knowledge.

• It is also used for variables that are accessed by multiple threads.

• Example: volatile const int* const ptr = (int*)0x1234; // pointer to a hardware register
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C,C++,SQL,Java,Python

Q1. What is your family background?
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Q2. What are your salary expectations?
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Q3. Why should we hire you?
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Q4. Tell me about yourself.
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Q1. What is abstraction
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Q1. Explain oop concets
Ans. 
OOP concepts are fundamental principles in object-oriented programming that help in organizing and designing code.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detai...read more
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Q2. Virtual functions
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Q1. Explain vectors and array difference

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Vectors are dynamic arrays that can change in size, while arrays have a fixed size.

• Vectors can grow or shrink in size dynamically, while arrays have a fixed size.

• Vectors can be resized using functions like push_back() and pop_back(), while arrays cannot.

• Vectors are part of the C++ Standard Template Library (STL), while arrays are a fundamental data structure.

• Example: vector vec; int arr[5];

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