C++/Console/cout boolalpha

boolapha: true and false values to be input and output

<source lang="cpp">

1. include <iostream>

using namespace std; int main() {

 bool b;
 b = true;
 cout << b << " " << boolalpha << b << endl;
 cout << "Enter a Boolean value: ";
 cin >> boolalpha >> b;
 cout << "Here is what you entered:  " << b;
 return 0;

}

      </source>

Demonstrate boolalpha format flag.

<source lang="cpp">

1. include <iostream>

using namespace std; int main() {

 bool b;
 cout << "Before setting boolalpha flag: ";
 b = true;
 cout << b << " ";
 b = false;
 cout << b << endl;
 cout << "After setting boolalpha flag: ";
 b = true;
 cout << boolalpha << b << " ";
 b = false;
 cout << b << endl;
 cout << "Enter a Boolean value: ";
 cin >> boolalpha >> b; // you can enter true or false
 cout << "You entered " << b;
 return 0;

}

      </source>