Date minus 18 years in java?

[rudeboymcc]

HI. i'm trying to check an inputted date in java that the user is older than 18 years old.

In SQL I've made the default value -18 years by using:
$x_date = strftime ("%d/%m/%Y", strtotime("-18 years"))

how do i do this in java?

 

[Una]

Start by reading the api,

http://java.sun.com/j2se/1.5.0/docs/api/java/sql/Date.html