Validating Numbers
Learn how to validate number fields.
We'll cover the following
In this lesson, we will show how to validate a number field. Currently, we don’t have a number field in the Athlete
class. We will add a field rank
to store the current ranking the player. The value of rank
can be between 1 and 100. Any value outside this range should result in a validation error. We will use @Min
and @Max
to validate the number range.
@Min
and @Max
We will create an Integer
field rank
and annotate it with @Min
and @Max
as follows: