List union - Java Collection Framework

Java examples for Collection Framework:List

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Description

List union

Demo Code


//package com.java2s;
import java.util.*;

public class Main {
    public static <T> List<T> union(List<T> list1, List<T> list2) {
        Set<T> set = new TreeSet<T>();
        set.addAll(list1);/*from  w  w w.j a v a  2s.  c o  m*/
        set.addAll(list2);
        return new ArrayList<T>(set);
    }
}

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