Java tutorial
//package com.java2s; //License from project: Apache License import java.util.ArrayList; import java.util.LinkedHashSet; import java.util.List; import java.util.Set; public class Main { /** * Removes the duplicates. * * @param <T> * the generic type * @param items * the items * @return the list */ public static <T> List<T> removeDuplicates(List<T> items) { Set<T> set = new LinkedHashSet<T>(); set.addAll(items); return new ArrayList<T>(set); } }