Problem Statement Given an array of integers, find all elements that occur more than once. If no duplicates exist, return an empty list.

Finding-duplicate-elements-in-an-array 🔍 Duplicate Element Finder This program identifies and returns duplicate elements from an input array. It uses an efficient approach with unordered sets to ...

The use of the Java Streams API to find duplicates. The use of the frequency method in Java’s Collections class. Brute-force Java duplicate finder A brute-force approach to solve this problem involves ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.