package libreta;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.Set;

public class Main2 {

    public static void main(String[] args)
    {
        Collection<String> lista= new ArrayList<String>(Arrays.asList("A","B","C"));

        Collection<String> nueva= duplicarColleccion(lista);

        nueva.forEach(x->System.out.println(x));

        //----------------------------------------------------------

        Collection<Integer> lista2= new ArrayList<Integer>(Arrays.asList(1,2,3));

        Collection<Integer> nueva2= duplicarColleccion(lista2);

        nueva2.forEach(x->System.out.println(x));

        //------------------------------------------------------------

          Integer[] intArray = { 1, 2, 3, 4, 5 };
          Double[] dblArray = { 1.1, 2.2, 3.3, 4.4, 5.5 };
          Character[] chrArray = { 'H', 'O', 'L', 'A', '!' };

          System.out.println("intArray contiene: ");
          printArray(intArray);

          System.out.println("\ndblArray contiene: ");
          printArray(dblArray);

          System.out.println("\nchrArray contiene: ");
          printArray(chrArray);

          //------------------------------------------------

          System.out.printf("Maximo de %d, %d, %d es %d\n\n",
                  3, 4, 5, maximum( 3, 4, 5));

          System.out.printf("Maximo de %.1f, %.1f, %.1f es %.1f\n\n",
                  6.6, 7.7, 8.8, maximum( 6.6, 7.7, 8.8));

          System.out.printf("Maximo de %s, %s, %s es %s\n", "manzana",
                  "pera","naranja",maximum("pera","manzana","naranja"));

    }



public static <T> Collection<T> duplicarColleccion(Collection<T> coleccion)
{

    coleccion.addAll(coleccion);
    return coleccion;

}

public static < E > void printArray( E[] inputArray )
{
        for(E elemento : inputArray)
        {
                System.out.printf("%s ", elemento);
        }
        System.out.println();
}

public static <T extends Comparable<T>> T maximum(T x, T y, T z)
{
        T max = x;

        if (y.compareTo(max)>0)
                max = y;

        if (z.compareTo(max)>0)
                max = z;

        return max;
}

}