qq_35384887的博客

System.out.println(":ab:cd:ef::".split(":").length);//末尾分隔符全部忽略 System.out.println(":ab:cd:ef::".split(":",-1).length);//不忽略任何一个分隔符 System.out.println(StringUtils.split(":ab:cd:ef::",":").length