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How to find Duplicate Element in an Array of Integers?Java Programming Language

Search Results Featured snippet from the web Java array  is an object which contains elements of a similar data type. Additionally, The elements of an  array  are stored in a contiguous memory location. It is a data structure where we store similar elements. We can store only a fixed set of elements in a  Java array . Example 1:  int a[]={2,6 ,7,2,8,6}; Here 2 and 6 are the duplicate elements. Example 2: int a[]={5,3,6,2,6,9,5} Here 6 and 5 are the duplicate elements. Source Code: import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; //Brute force approach public class DuplicateInArray {     public static void Duplicate(int a[]){                  for(int i=0;i<a.length-1;i++){                          for(int j=i+1;j<a.length;j++){                  ...