@SafeVarargs
    public static <T> T[] create(T... args) {
        return args;
    }
@Test
    public void testCreate() {
        assertArrayEquals(create("a"), (new String[] {"a"}));
        assertArrayEquals(create(""), (new String[] {""}));
        assertArrayEquals(create("a", "b"), (new String[] {"a", "b"}));
    }