package com.javadevjournal; import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; import java.util.stream.Stream; import java.util.stream.StreamSupport; public class IteratorToStream { public static void main(String[] args) { Iterable iterable = Arrays.asList("Testing", "Iterable", "To", "Java8", "Stream","Conversion"); //Converting to the upper case List upperCaseList= StreamSupport.stream(iterable.spliterator(), false) .map(String::toUpperCase) .collect(Collectors.toList()); } }