C++ examples for Class:Constructor
Demonstrate that statics are only constructed once
#include <cstdio> #include <cstdlib> #include <iostream> using namespace std; class DoNothing//from w w w. j a va 2s . c o m { public: DoNothing(int initial) : nValue(initial) { cout << "DoNothing constructed with a value of " << initial << endl; } ~DoNothing() { cout << "DoNothing object destructed" << endl; } int nValue; }; void fn(int i) { cout << "Function fn passed a value of " << i << endl; static DoNothing dn(i); } int main(int argcs, char* pArgs[]) { fn(10); fn(20); return 0; }