Method isEmpty

lib/DevApp/src/main/java/dev/utils/JCLogUtils.java:72–74

判断字符串是否为 null @param str 待校验的字符串 @return true yes, false no

(final String str)

     * @return {@code true} yes, {@code false} no
     */
    private static boolean isEmpty(final String str) {
        return (str == null || str.length() == 0);
    }

    // =