Chapter 17 The Dual-Alternative Decision Structure
17.1 The Dual-Alternative Decision Structure
In contrast to the single-alternative decision structure, this type of decision control structure includes a statement or block of statements on both paths.
If Boolean_Expression evaluates to true, the statement or block of statements 1 is executed; otherwise, the statement or block of statements 2 is executed.
The general form of the Java statement is
if (Boolean_Expression) {
A statement or block of statements 1
}
else {
A statement or block of statements 2
}
In the next example, the message “You are an adult” is displayed when the user enters a ...
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