Finding the duplicate values of an array of integer values.

 import java.util.*;

public class FindDuplicateStringValues {

public static void printDuplicate(String 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]).equals(arr[j]) && (i != j)) {

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

}

}

}

}

public static void main(String args[]) {

String arr[] = { "bcd","abc","cde","bcd","lmn","cde"};

printDuplicate(arr);

}

}