Examples of default and function initialization for functions and use of Boolean parameters

code example

1#include <iostream>2 using namespacestd;3 classA4 {5  Public:6     void Set(int= -,int=5);//when declaring a function, initialize the parameters7     voidCountBOOL=false);//when declaring a function, initialize the parameters8 Private:9     intW;Ten     inth; One }; A voidA::Set(intWidthintheight) - { -W =width; theh =height; - } - voidA::count (BOOLVal//out-of-class definition functions PS: Example of using Boolean parameters - { +     if(val = =true) -cout <<"When the value of Val is true:"<< w*h <<Endl; +     Else Acout <<"when the value of Val is false:"<< w*h/2<<Endl; at } - intMain () - { - A; -A.Set(); -A.count ();//using the initialized function inA.count (true);//using the Set parameters -     return 0; to}

Example results

Examples of default and function initialization for functions and use of Boolean parameters