1/24/00
COM1100 Winter2000 Lecture 7
26
nThe distinction between a prefix and postfix increment operator is important when the variable being incremented is used in an assignment expression.
n
nk = ++n;
nis equivalent to : n = n + 1;       // increment n first
n k = n;      // assign n’s value to k
nk = ++n;
nis equivalent to : k = n;     // assign n’s value to k first
n            n = n + 1;   // and then increment n
n