07 01 2020 join is an array class method which returns the string which is created by converting each element of the array to a string separated by the given separator.
Ruby join array of strings.
Result left right puts result output virus disease bacteria germ.
Join acts on string arrays or arrays of any type of element that are converted into strings.
Array instance join or array instance join symbol argument s required.
Ruby idiom 53 join a list of strings concatenate elements of string list x joined by the separator to create a single string y.
Ruby array class join function last updated.
This method works in the way that it joins the content of self with the symbol or if you don t provide any symbol then it simply joins the elements and converts them into a string.
The elements are placed together in a four element array.
Ruby join example convert array to string method notes.
The return type of this method is string.
We see a string array that contains three string literals.
Interpolation or merging of variables into strings is a powerful technique.
There is no destructive version of this method.
How to use ruby string interpolation.
This method is one of the examples of non destructive methods where the changes made by these methods are permanent.