In this blog we will learn how to iterate over the elements of a collection (here we considered arraylist) using generics and without generics.first we will go through the process of using iterator ...

Find-Duplicate-in-Array Finding Duplicate ArrayList Problem Statement You are given an array of integers 'ARR' containing N elements. Each integer is in the range [1, N-1], with exactly one element ...

Algorithm-Test---Duplicate-Elements-in-Array Java Program to find duplicate elements in array - 3 ways to compare time/space complexity Solution 1 : Our first solution is very simple. All we are doing ...