In the following example, we are using the distinct() method ofStream API. This method removes the duplicates from the input stream and returns a new stream after removing duplicate elements. importjava.util.ArrayList;importjava.util.Arrays;importjava.util.List;importjava.util.stream.Collectors;publ...
Java List is an ordered collection of elements that may contain duplicate elements. Java List is widely used to hold a collection of values or objects. This tutorial describesways to find and remove duplicate elements from a Java List implementation. Using Stream to Remove Duplicates in a List ...
Imagine you are the head of a department in your company and want to find the list of unique names in your department. One way of doing this is by usingSQLqueries to create a list of unique names. SQL queries are the commands we use to get some information from a database. In this ...
Use a Temporary Array to Remove Duplicates From an Array in Java In this method, the main point is to traverse the input array and then copy the unique elements from the original array to a temporary array. To achieve this, we will use theforloop and theifstatement. Finally, the elements...
Step 2:Now we will check the column name in which we are checking for duplicates and apply the formula =UNIQUE(A:A). This formula checks for any duplicates in column A and gives us the unique result. Output: Struggling to find the right AI tools for data analysis? Browse this blog on...
2.1. Plain Java If two arraylists are not equal and we want to findwhat additional elements are in the first list compared to the second list, use theremoveAll()method. It removes all elements of the second list from the first list and leaves only additional elements in the first list. ...
To make it more clear, let’s see it in the example below. importjava.util.ArrayList;importjava.util.List;publicclassMain{publicstaticvoidmain(String[]args){List<Integer>numList=newArrayList<Integer>();numList.add(11);numList.add(22);numList.add(33);numList.add(44);numList.add(55);int[]...
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"Value Cannot be null Parameter name: encoder" when trying to save an image to memorystream? "Variant " data type alternative in VB.NET (407) Proxy Authentication Required [ Help me ]How to Replace List items name using list collection [HELP] Access denied for user 'root'@localhost (Usi...
i am trying to remove the duplicate values from HashMap by the following code but it is thwoing following exception java.util.ConcurrentModificationException how to remove duplicate values ? import java.util.Enumeration; import java.util.HashMap; import java.util.Iterator; import java.util...