### Question:
StringUtils { public static boolean anyBlank(String... texts) { for (String text : texts) { if (isBlank(text)) return true; } return false; } private  StringUtils(); static boolean isBlank(String text); static boolean anyBlank(String... texts);  }### Answer:
@Test public void anyBlank_returns_true_when_one_of_specified_texts_is_null_or_empty_or_blank() { assertTrue(StringUtils.anyBlank(null, "Hello")); assertTrue(StringUtils.anyBlank("", "Hello")); assertTrue(StringUtils.anyBlank(" ", "Hello")); assertTrue(StringUtils.anyBlank("Hello", null)); assertTrue(StringUtils.anyBlank("Hello", "")); assertTrue(StringUtils.anyBlank("Hello", " ")); }
@Test public void anyBlank_returns_false() { assertFalse(StringUtils.anyBlank("Ciao", "Hello")); }