How do you declare a Boolean variable?

To declare a Boolean variable, we use the keyword bool . To initialize or assign a true or false value to a Boolean variable, we use the keywords true and false. Boolean values are not actually stored in Boolean variables as the words “true” or “false”.

To display Boolean type, firstly take two variables and declare them as boolean. val1 = true; Now, use if statement to check and display the Boolean true value.

The keyword bool is used to represent a Boolean literal in DART. The syntax for declaring a Boolean variable in DART is as given below − bool var_name = true; OR bool var_name = false.

Dart Boolean data type is used to check whether a given statement true or false. The true and false are the two values of the Boolean type, which are both compile-time constants. In Dart, The numeric value 1 or 0 cannot be used to specify the true or false. The bool keyword is used to represent the Boolean value .