import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.List; | |
class Sample { | |
static List<String> getList(Function<Object, String> function, ArrayList<? super String> objects) { | |
return transform(objects, new ArrayList<String>(), function); | |
} | |
static <R, S, T extends Collection<S>> T transform(Iterable<? extends R> oldCollection, | |
T newCollection, | |
Function<R, S> function) { | |
return newCollection; | |
} | |
interface Function<X, Y> { | |
Y apply(X input); | |
} | |
} |