What is the output of the following code, and why?

What is the output of the following code, and why? 

char lastInitial = 'S';

switch (lastInitial) { case 'A':     cout << "User 1" <<endl;    break; case 'B':     cout << "User 2" <<endl;    break; case 'C':     cout << "User 3" <<endl;    break; case 'D':     cout << "User 4" <<endl;    break; default:     cout << "Absent" <<endl; }