The switch and case Statements
Explore how to implement Dart switch and case statements to match exact values efficiently in your code. Understand the structure of switch statements, case labels, and the importance of the default case for handling unexpected values. This lesson helps you write clearer, more readable conditional logic by avoiding complex if-else chains.
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When writing conditional logic, we often need to evaluate an expression against a specific set of exact values. While chained if-else statements are excellent for evaluating ranges or complex boolean logic, they can become repetitive and difficult to read when we simply want to match an exact value. Dart provides the switch statement as a dedicated, elegant tool for this exact scenario.
Structure of a switch statement
The switch statement evaluates a single expression and attempts to match it against a predefined list of case labels.
We write the switch keyword followed by the expression in parentheses. Inside the curly braces, we define individual blocks ...