Basic Control Flow

The `if/else` Statement (Syntax 4.3 : `if/else` Statement)

Syntax 4.3 : if Statement

if (condition) statement₁ else statement₂

Example:	if (x >= 0) y = sqrt(x); else cout << "Bad input\n";
Purpose:	Execute the first statement if the condition is true, the second statement if the condition is false.