PROGRAMMING LANGUAGE - JAVA

2) (expandsingles) Given an ArrayList of Integers, edit that ArrayList by expanding all singleton elements by adding that element, element times. //so in the first example the singletons are only 2 and 3, so the 1/2 now has two elements and 3 has three elements. //The 4 and 5 we leave alone because it is /ot a singleton. expandsingles ([2,3,4,4,5,5]) expands to [2,2,3,3,3,4,4,5,5] expandsingles ([3,2,1]) expands to (3,3,3,2,2,1]