You are given a string s and an integer k, a k duplicate removal consists of choosing k adjacent and equal letters from s and removing them, causing the left and the right side of the deleted ...

- Use stack instead of stringBuffer: keep append/remove last added item - However, stringBuffer appears to be faster than stack. Given a string which contains only lowercase letters, remove duplicate ...

Remove Java List duplicates through code The first two examples to solve this deduping problem use specialized Java components and APIs. However, it’s a fun exercise to just use the standard loop ...