@Test public void testEmptyString() { assertThat(StringUtils.isNotEmpty("")).isEqualTo(false); }
public static boolean isNotEmpty(@Nullable String string) { return string != null && !string.isEmpty(); }
StringUtils { public static boolean isNotEmpty(@Nullable String string) { return string != null && !string.isEmpty(); } }
StringUtils { public static boolean isNotEmpty(@Nullable String string) { return string != null && !string.isEmpty(); }  }
StringUtils { public static boolean isNotEmpty(@Nullable String string) { return string != null && !string.isEmpty(); }  static boolean isNotEmpty(@Nullable String string); }
StringUtils { public static boolean isNotEmpty(@Nullable String string) { return string != null && !string.isEmpty(); }  static boolean isNotEmpty(@Nullable String string);  }