Programming in C++, 2nd Edition

qt++;

cout<<qt<<“ ”<<(unsigned)&qt<<“ ” <<qty<<“ ”<<unsigned

(&qt)<<endl;

qt--;

cout<<qt<<“ ”<<(unsigned)&qt<<“ ” <<qty<<“ ”<<unsigned

(&qt)<<endl;

return 0;

}

OUTPUT

qty Location qt Location

=== ======== == ========

10 65524 10 65524

11 65524 11 65524

10 65524 10 65524

Data Types in C++ 123

Explanation: In the above program, the variable qty is declared as integer variable and initial-

ized with 10. The variable qt is declared as ref-

erence variable for variable qty. We can use

variable qt to access the value of qty. Any

change made in one of the variable changes the

contents of both the variables. The ...