Professional

■
■
If you want to continue to the next chapter, keep Visual Studio 2015 running and turn to
Chapter 5, “Using compound assignment and iteration statements.”
If you want to exit Visual Studio 2015 now, on the File menu, click Exit. If you see a Save dialog
box, click Yes and save the project.
Quick reference
To Do this Example
Determine whether two values are
equivalent
Use the == operator or the != operator. answer == 42
Compare the value of two expressions Use the = operator. age >= 21
Declare a Boolean variable
Create a Boolean expression that is
true only if two conditions are both
true
Create a Boolean expression that is
true if either of two conditions is true
Use the bool keyword as the type of the
variable.
Use the && operator.
Use the || operator.
bool inRange;
inRange = (lo