Uppercase letters using bitwise AND. : bitwise AND « Operators statements « C++ Tutorial

1. C++ Tutorial
2. Operators statements
3. bitwise AND

#include <iostream>
using namespace std;

int main()
{
  char ch;

  for(int i = 0 ; i < 10; i++)  {
    ch = 'a' + i;
    cout << ch << " " ;
    ch = ch & 223;
    cout << ch << "\n";
  }
  return 0;
}

a A
b B
c C
d D
e E
f F
g G
h H
i I
j J