gistfile1.txt

import java.util.List;
import java.util.ArrayList;
import java.util.Arrays;
import static java.util.Objects.requireNonNull;

class Foo<T> {
    final List<T> members;

    @SafeVarargs
    Foo(T... a) {
        members = new ArrayList<>(Arrays.asList(requireNonNull(a)));
    }
}

public class Test {
    public static void main(String... args) {
        Foo<String> foo = new Foo<>("Hello", "World");
    }
}