A conditional/decision-making construct evaluates a condition before the instructions are executed.
Conditional constructs in Dart are classified in the following table.
Sr.No | Statement & Description |
---|---|
1 | if statement
An if statement consists of a Boolean expression followed by one or more statements. |
2 | If...Else Statement
An if can be followed by an optional else block. The else block will execute if the Boolean expression tested by the if block evaluates to false. |
3 | else…if Ladder
The else…if ladder is useful to test multiple conditions. Following is the syntax of the same. |
4 | switch…case Statement
The switch statement evaluates an expression, matches the expression’s value to a case clause and executes the statements associated with that case. |