import java.util.*

List names = [ "Ted", "Fred", "Jed", "Ned" ]
println names

int length = 3
List short_names = names.findAll { String s | s.length() < length+1 }
println short_names.size()
short_names.each { println it }

• Groovy normally uses untyped variables.
  • But you can use typed variables if desired.