Write code to return non-duplicate values from an array.

Question

Accepted Answer

Code to return non-duplicate values from an array.

Create an empty array to store non-duplicate values.
Loop through the original array and check if the value already exists in the new array.
If it doesn't exist, add it to the new array.
Return the new array with non-duplicate values.

Accepted Answer

import java.util.*; public class NonDuplicateValues { public static void main(String[] args) { int[] array = {1, 2, 2, 3, 4, 4, 5, 6, 7, 7, 8}; Set nonDuplicates = findNonDuplicates(array); System.out.println("Non-duplicate values: " + nonDuplicates); } public static Set findNonDuplicates(int[] array) { Set uniqueValues = new HashSet<>(); for (int num : array) { uniqueValues.add(num); } return uniqueValues; } }

Accepted Answer

import java.util.ArrayList;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

public class Main {

public static List findNonDuplicates(int[] arr) {

Set uniqueValues = new HashSet<>();

List result = new ArrayList<>();

for (int num : arr) {

if (uniqueValues.contains(num)) {

result.remove(Integer.valueOf(num));

} else {

uniqueValues.add(num);

result.add(num);

}

return result;

}

public static void main(String[] args) {

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

List result = findNonDuplicates(arr);

System.out.println(result); // Output: [1, 3, 5]

}

Asked in Deloitte

Write code to return non-duplicate values from an array.

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