How to remove duplicates from ArrayList in java
GIAN Tutorials
2:39 AM
There are many ways to do it. Some of them are: Using iterative approach Using HashSet (but does not maintain insertion order) Using LinkedHashMap Program: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 package org . arpit . java2blog . algo ; import java . util . ArrayList ; import java . util . HashSet ; import java . util . LinkedHashSet ; import java . util . * ; public class RemoveDuplicatesArrayListMain { /* * @author : Arpit Mandliya */ public static void main ( String [ ] args ) { ArrayList employeeNameList = new ArrayList ( ) ; employeeNameList . add ( "John" ) ; employeeNameList . add ( "Ankit" ) ; employeeNameList . add ( "Rohan"