Concatenate Strings Using String.join() for Collections

There is an overloaded version of the String.join method that accepts as parameter an Iterable implementation. Since all Collection classes implement the Iterable interface, this method can be used to concatenate all the elements in a Collection. The following code demonstrates this:

This code creates a List of String values and passes this List to the String.join method with a “/” as the delimiter. So, this code prints the following output:
red/blue/green/white

Tushar Sharma
Tushar Sharmahttps://www.automationdojos.com
Hi! This is Tushar, the author of 'Automation Dojos'. A passionate IT professional with a big appetite for learning, I enjoy technical content creation and curation. Hope you are having a good time! Don't forget to subscribe and stay in touch. Wishing you happy learning!

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