package function_questions;

import java.util.*;

public class q19 {

public static void main(String[] args) {

int[] arr= {1,2,2,3,3,4,5,5,6,7};

System.out.println("After removing duplicates Elements");

removeduplicatesElements(arr);

System.out.println("\nDuplicates elements Are");

duplicateElements(arr);

}

private static void duplicateElements(int[] arr) {

Set<Integer> s1=new HashSet<>();

for(int n1: arr) {

boolean ans=s1.add(n1);

if(ans==false) {

System.out.print(n1+",");

}

}

}

private static void removeduplicatesElements(int[] arr) {

Set<Integer> s1=new HashSet<>();

for(int n1: arr) {

s1.add(n1);

}

for(int n2: s1) {

System.out.print(n2+",");

}

}

}