Technical Question Bank · Peer-Reviewed

Job Interview Questions and Answers Directory

Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (3 available).

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C++ Easy technical

Q1. What do constructors and destructors do?

A constructor runs when an object is created and initialises its members. A destructor runs when it is destroyed and releases resources. Constructors share the class name...

0 Answer

C++ Medium technical

Q2. What is RAII and why is it central to modern C++?

RAII, Resource Acquisition Is Initialisation, binds a resource's lifetime to an object's lifetime: acquire in the constructor and release in the destructor. Because destr...

1 Answer

C++ Hard technical

Q3. Explain the rule of three, five and zero, plus undefined behaviour.

The rule of three: if a class needs a custom destructor, copy constructor or copy assignment operator, it probably needs all three, because they manage the same resource....

2 Answer