Please note that we can use HashSet to remove duplicate elements from a List, but it is an unordered collection and will not honour the order of the elements in the List. ALinkedHashSet, on the other hand, is an ordered collection of unique elements. We can safely use it to remove du...
* in order to remove the duplicate elements and * to preserve the insertion order. */lhs.addAll(al);// Removing ArrayList elementsal.clear();// Adding LinkedHashSet elements to the ArrayListal.addAll(lhs);// Displaying ArrayList elementsSystem.out.println("After:");System.out.println("Arr...
In this post, we are going to remove duplicate elements fromArrayListin Java.ArrayListis a class which is implementation class of List interface in collection framework and used to store data. Since ArrayList allows us to store duplicate elements therefor sometimes we need to get unique elements ...
To remove an element from an array in C#, you need to find the index of the element you want to remove, create a new array with a size one less than the original Array, and then copy all the elements from the original Array to the new Array except for the element you want to ...
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In this tutorial, you will learn how to remove duplicates from ArrayList. Example 1: Removing duplicates from ArrayList using LinkedHashSet In the following example, we are removing the duplicate elements from ArrayList using LinkedHashSet. The steps fol