Validating Numbers
Explore how to validate numeric input in Spring MVC by adding a rank field with Integer type. Learn to use @Min, @Max, and @NotNull annotations to enforce value constraints and required input. Understand how Spring MVC handles type conversion errors and displays validation messages to guide user input effectively.
We'll cover the following...
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 ...