If I don't assign a value to a variable when I declare it, does it default to zero or just whatever was previously in the memory? e.g. float x;

What is wrong with the variable international_standard_book_number? How can I make it that it changes, whenever isbn_field_i changes? #include <iostream> #include <string> class ISBN ...

I found many articles explaining the difference between "default-initialization and value-initialization" but in fact I didn't understand clearly. Here's an example: class A{ public: int x; }; ...

I was asking myself something this morning, and I can't find the words to properly "google" for it: Lets say I have: struct Foo { int bar; }; struct Foo2 { int bar; Foo2() {} }; stru...

Given the following code: class temp { public: string str; int num; }; int main() { temp temp1; temp temp2 = temp(); cout << temp1.str << endl; //Print "" cout <&lt...