- 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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. There are several ways to find duplicates in a Java List, array or other collection class. The ...

📌 In order to find duplicate words, we first need to split the sentence into words. For that use split() method from String Class, this will return array of strings. 📌 After getting the list of ...