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Suppose that you want to execute more than one statement when an
if or if-else statement's Boolean expression is
true or not true. You need only to combine the multiple
statements, using braces, into a single compound
statement.
{
statement 1
...
statement n
}
In the following if-else statement, for example, you not
only want to display a message when the value of temperature
is above 50°F, but also want to assign 1 to a
suitable variable so as to record that the temperature has gone
above the threshold of 50°F:
if (temperature > 50) {
high_temperature_switch = 1;
cout << "It is too warm! High temperature switch set to "
<< high_temperature_switch << endl;
}