import java.util.Comparator; | |
class MyTest { | |
void foo(final Ordering<Comparable> natural){ | |
compound(natural); | |
} | |
<U extends String> Ordering<U> compound(Comparator<? super U> secondaryComparator) { return null; } | |
} | |
abstract class Ordering <T> implements Comparator<T> {} | |