Method isNullOrEmpty

output/java_guava/1.4.19/Strings.java:72–74

Returns true if the given string is null or is the empty string. Consider normalizing your string references with #nullToEmpty. If you do, you can use String#isEmpty() instead of this method, and you won't need special null-safe forms of methods like {@link String#toUpper

(@Nullable String string)

  public static boolean isNullOrEmpty(@Nullable String string) {
    return string == null || string.isEmpty();
  }

  /**
   * Returns a string, of length at least {@code minLength}, consisting of {@code string} prepended