https://www.codewars.com/kata/59f08f89a5e129c543000069/train/java
In this Kata, you will be given an array of strings and your task is to remove all consecutive duplicate letters from each string in the array.
For example:
dup(["abracadabra","allottee","assessee"]) = ["abracadabra","alote","asese"].
dup(["kelless","keenness"]) = ["keles","kenes"].
Strings will be lowercase only, no spaces. See test cases for more examples.
Good luck!