++n

• Is called a pre-increment operator because the operator appears to the left of its operand
• The pre-increment operator changes the value stored in memory first and then uses the new value in the remainder of the compound statement
• Here is an example (A-1):

n++

• Is called a post-increment operator because the operator appears to the right of its operand
• The post-increment operator uses the original value in the compound statement but still changes the value in memory when done
• Here is an example (A-1):

Example of (A-1)

int n = 0;
 
cout << ++n << endl; // Displays a 1
cout << n++ << endl; // Displays a 1
cout << n << endl;   // Displays a 2