komak Dar Mored Cod (Bool va Boolean)

fek konam injorie :
meghdare moteghayer boole momkene null dashte bashe
masalan nullable datatype.bishtar baraye kar ba data base tarahai shode ke rahattar kar konim bahashon


hala boolean baraye elane ye moteghayer ke meghdaresh mesle  true, (1)   ya  (0),false tanzim mishe  estefade mise


mesal :

 
#include
using namespace std;

int main()
{
bool MachineIsWorking = true;

cout << "Since this machine is working, its value is "
<< MachineIsWorking << endl;

MachineIsWorking = false;

cout << "The machine has stopped operating. "
<< "Now its value is " << MachineIsWorking << endl;

return 0;






ba tashakor z yeki az refigham

bigbang baw c++ :-D

bool faqat adade -1 , 0 , 1 mishe behesh nesbat dad .

-1 yani maslan vojod nadarad , 0 yani raye momtane :-D , 1 yani peyda shod

masalan to c# hamon indexof k minvisi az noe bool hastesh k bayad behesh javabe -1 0 ya 1 nesbat bedi .