More Examples of if Statements

Example code fragment:

if (denominator != 0)
{
    ratio = numerator / denominator;
    cout << "The ratio is " << ratio;
}
else
    cout << "Can't divide by zero.";

Example code fragment:

if (denominator != 0)
    ratio = numerator / denominator;
else
{
    cout << "Can't divide by zero.";
    cout << "The ratio is undefined.";
    cout << endl;
}

Example code fragment:

if (denominator != 0)
{
    ratio = numerator / denominator;
}
else
{
    cout << "Can't divide by zero.";
}