Ex 4: Groovy (diff 2) - Groovin' with Groovy
import java.util.*
class Erase {
    public static main(args) {
	names = [ "Ted", "Fred", "Jed", "Ned" ]
	System.out.println()
        e = new Erase()
	short_names = e.filterLongerThan(names, 3)
	System.out.println (short_names.size())
	for (s in short_names) {
	    System.out.println(s)
	}
    }
    public filterLongerThan (strings, length) {
	result = strings.findAll { ???? }
	return result
    }
}