Java ArrayList Remove removeDuplicates(ArrayList al)

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Description

remove Duplicates

License

Open Source License

Declaration 

public static ArrayList<String> removeDuplicates(ArrayList<String> al)

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.*;

public class Main {
    public static ArrayList<String> removeDuplicates(ArrayList<String> al) {
        Set<String> hs = new HashSet<>();
        hs.addAll(al);//from w ww  .  j a va2  s.co  m
        al.clear();
        al.addAll(hs);
        return al;
    }
}

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