Finding all Duplicate element in an Array of integer values using Method/Function

 import java.util.*;

public class FindDuplicateElement {

public static void printDuplicate(int arr[]) {

System.out.println("The Duplicate elements are");

for (int i = 0; i < arr.length; i++) {

for (int j = i+1; j < arr.length; j++) {

if (arr[i] == arr[j] && (i != j)) {

System.out.println(arr[i]);

}

}

}

}

public static void main(String args[]) {

int arr[] = { 1, 2, 4, 5, 5, 3, 1, 67, 87, 4 };

printDuplicate(arr);

}

}