This repository provides a concise guide to Java arrays, covering basics like declaration, initialization, and element access, along with advanced operations such as sorting, searching, and copying.

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 ...

Given an integer array nums sorted in non-decreasing order, remove some duplicates in-place such that each unique element appears at most twice. The relative order of the elements should be kept the ...