import java.util.*;
 
 
public class Main {
 
    public static void main(String[] args) {
        ArrayList<Integer> resultado = new ArrayList<Integer>();
        HashSet<Integer> numset = new HashSet<Integer>();
 
        numset.addAll(Arrays.asList(3, 6, 5, 3, 7));
        numset.addAll(Arrays.asList(2, 9, 7, 5, 1));
 
        resultado.addAll(numset);
        Collections.sort(resultado);
 
        System.out.println("HashSet->ArrayList");
        System.out.println(resultado.toString()+"\n");
 
        //Ou então.....
        TreeSet<Integer> numtreeset = new TreeSet<Integer>();
 
        numtreeset.addAll(Arrays.asList(3, 6, 5, 3, 7));
        numtreeset.addAll(Arrays.asList(2, 9, 7, 5, 1));
 
        System.out.println("TreeSet");
        System.out.println(numtreeset.toString());
 
 
    }
}
 

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