Constructors in C++ Part 1 -- From Default to Move Semantics

A complete walkthrough of every constructor type in C++ with live coding examples. Learn what each one does, when the compiler picks one over another, and the subtle rules that trip up most candidates in interviews: What a constructor is (and when it's called in the object lifecycle) Default constructor — compiler-generated rules Parameterized constructor — initializing members at creation Copy constructor — why the parameter must be a reference (infinite recursion trap) Move constructor (C++11) — transferring ownership from rvalues, avoiding deep copies Copy elision — why A obj = A(10) calls the parameterized constructor, not move Using std::move to force the move constructor Delegating constructor — calling one constructor from another explicit keyword — preventing implicit conversions like A obj = 10 Quick recap of initializer lists Perfect for C++ interview prep and anyone wanting to truly understand object construction. #cpp #cplusplus #constructors #cppTutorial #cppInterview #moveSemantics #copyConstructor #cpp11 #programming #coding #oop #learnCpp #techInterview #interviewPrep #codingInterview