Constructors are invoked automatically when an object is created and can take arguments to initialize the object’s data members. It is usually declared in public scope. However, it can be declared in private scope, as well. For instance, consider a class called Car with make, model, and ...
In C++, the “struct” is known as a structure that is a special member function within a struct that is used to initialize its member variables.
NULL is 0(zero) i.e. integer constant zero with C-style typecast to void*, while nullptr is prvalue of type nullptr_t which is integer literal evaluates to zero. For those of you who believe that NULL is same i.e. (void*)0 in C & C++. I wo...
return 0;} Output: In this example, ‘FriendClass‘ is another class, and we declare its member function ‘friendMemberFunction‘ as a friend of the ‘MyClass.’ The friend function can access the private member privateVar of MyClass. Friend Function Vs. Virtual Function Now that we under...
return 0; } In this example, thecheckAgethe function throws custom exceptions,std::invalid_argumentandstd::out_of_range, based on the age value provided. Thetryblock calls thecheckAgefunction, and if an exception is thrown, it is caught and handled in thecatchblock. ...
In C++, the code is given below: #include <iostream> voidprintInt(void*num){ int*ptr=static_cast<int*>(num); std::cout<<*ptr<<std::endl; } intmain(){ intx=10; void*ptr=&x; printInt(ptr); return0; } The above code defines a functionprintIntthat takes a void pointer num ...
So Question comes in mind that what’s there in C++ for that and in what all better ways? Inline function is introduced which is an optimization technique used by the compilers especially to reduce the execution time. We will cover “what, why, when & how” of inline functions. What is...
What is self-referential class in C++? It is a special type of class. It is basically created for linked list and tree based implementation in C++. If a class contains the data member as pointer to object of similar class, then it is called a self-referential class. ...
vcpkg couldn’t be where it is today without contributions from our open-source community. Thank you for your continued support! The following people contributed to thevcpkg,vcpkg-tool, orvcpkg-docsrepos in this release: jiayuehua (57 commits) ...
Learn: What is the difference between cout and std::cout, how to use cout's different forms? How can we use cout with and without using 'std::'? cout and std::cout both are same, but the only difference is that if we use cout, namespace std must be used in the program or if...