1. Compound Operators 03/07/11

2. More Operators, First Section 4.4

3. Compound Operators Common to have variable on both sides of assignment. sum = sum + data; Compound operators allow compact code. sum += data;

4. Compound Operators variable = variable op (expression)‏ can be written: variable op= expression

5. Compound Operators += -= *= /= %=

8. Increment and Decrement n++ ++n k-- --k Operands must be variables Change value of variables, side effect

9. Position of Increment/Decrement Where placed determines value used in the expression c = 5; cout << c++ ;cout << ++c;cout << c << endl; OUTPUT: 5 6 6 6