Ruby | String empty? Method Last Updated : 08 Jan, 2020 Improve Improve Like Article Like Save Share Report empty? is a String class method in Ruby which is used to check whether the string length is zero or not. Syntax: str.empty? Parameters: Here, str is the given string which is to be checked. Returns: It returns true if str has a length of zero, otherwise false. Example 1: # Ruby program to demonstrate # the empty? method # Taking a string and # using the method puts "checking".empty? puts "method".empty? Output: false false Example 2: # Ruby program to demonstrate # the empty? method # Taking a string and # using the method puts "".empty? puts ".".empty? Output: true false Like Article Suggest improvement Previous Ruby | StringIO bytes function Next Ruby | BigDecimal class infinite? value Share your thoughts in the comments Add Your Comment Please Login to comment...