Nov 16, 2024 · Given an array, the task is to remove the duplicate elements from an array. The simplest method to remove duplicates from an array is using a Set , which automatically eliminates duplicates. This method can be used even if the array is not sorted.

Apr 27, 2024 · However, in this article, we will learn how to remove duplicates from an array in Java without using a set, in an efficient manner. Example to Efficiently Remove Duplicates from an Array Input: arr[] ={ 1,2,2,3,3,3,4,5,5,6}

There are multiple ways to delete all duplicate elements from an arrays. To delete the given element from array you can use third temporary array or by sorting the array and then removing the duplicate elements. We have kept the different logics for sorted and unsorted array in this post. For example: Example 1:

Simply an array to remove duplicates. int end = arr.length; for (int i = 0; i < end; i++) { for (int j = i + 1; j < end; j++) { if (arr[i] == arr[j]) { . int shiftLeft = j; for (int k = j+1; k < end; k++, shiftLeft++) { arr[shiftLeft] = arr[k]; end--; j--; int[] whitelist = new int[end]; for(int i = 0; i < end; i++){

Put all the array values in a set and then convert back to array. Set will eliminate all you duplicates and you don't need to do anything for it. Just put the numbers there. You could use a Set to store your unique random numbers. Set API. ... Later convert to a list:

In this guide, we'll explore different methods to remove duplicates from an array using Java. 1. Using a Temporary Array. This method involves sorting the array first and then using a temporary array to store unique elements. This approach requires extra space for the temporary array. public class RemoveDuplicatesUsingTempArray {

Oct 9, 2020 · A quick and practical guide to remove all duplicate values from Array in java without using Set. Different ways are explained.

Apr 1, 2025 · Write a Java program to remove duplicates from an array without using a HashSet. Write a Java program to remove duplicate numbers while preserving their first occurrence. Write a Java program to remove duplicate elements from a sorted array efficiently.

Dec 6, 2024 · We can remove duplicate element in an array by 2 ways: using temporary array or using separate index. To remove the duplicate element from array, the array must be in sorted order. If array is not sorted, you can sort it by calling Arrays.sort(arr) method.

Let us see different ways to remove duplicates from a given array in Java programming language. Example:- In all examples, we will use toString () method of java.util.Arrays class to display the array. The Arrays.toString () method is used to convert array to string.