The if selection statement expects only one statement in its body. Similarly, the if and else parts of an if...else statement each expect only one body statement. To include several statements in the body of an if or in either part of an if...else, enclose the statements in braces ({ and }). A set of statements contained within a pair of braces is called a block.

Image Software Engineering Observation 4.2

A block can be placed anywhere in a program that a single statement can be placed.

The following example includes a block in the else part of an if...else statement.

if ( studentGrade >= 60 )    cout << "Passed.\n" ...

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