$null check in velocity

Question

I came to know about null check using $null in velocity 1.6 through a resource updated by you. Resource: Reading model objects mapped in Velocity Templates But I am facing s

Answer 1

To check if a variable is not null simply use #if ($variable)

#if ($variable) 
 ... do stuff here if the variable is not null
#end

If you need to do stuff if the variable is null simply negate the test

#if (!$variable)
 ... do stuff here if the variable is null
#end