Types of Map Sample

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package generatorr;

import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.TreeMap;

/**
 *
 * @author Dany presentame a tu hermana xfa uewe
 */
public class MapP {

    public static void main(String[] args) {
        Map<Integer, String> map = new HashMap<Integer, String>();
        map.put(4, "Lopez");
        map.put(90, "Chavez");
        map.put(15, "Ramirez");
        map.put(3, "Dany");
        map.put(15, "Naie Trejo");
        map.put(4, "Dany presenatme a tu hermana");
        map.put(9, "Hola prros");
        map.put(8, "Puytol");


        Map<Integer, String> map2 = new TreeMap<Integer, String>();
        map2.put(4, "Lopez");
        map2.put(90, "Chavez");
        map2.put(15, "Ramirez");
        map2.put(3, "Dany");
        map2.put(4, "Dany presenatme a tu hermana");
        map2.put(9, "Hola prros");
        map2.put(8, "Puytol");

        Map<Integer, String> map3 = new LinkedHashMap<Integer, String>();
        map3.put(4, "Lopez");
        map3.put(90, "Chavez");
        map3.put(15, "Ramirez");
        map3.put(3, "Dany");
        map3.put(4, "Dany presenatme a tu hermana");
        map3.put(9, "Hola prros");
        map3.put(8, "Puytol");

        Iterator it = map.keySet().iterator();
        while (it.hasNext()) {
            Integer key = (Integer) it.next();
            System.out.println("Clave: " + key + " Valor: " + map.get(key));
        }
        System.out.println("===================");

        Iterator it2 = map2.keySet().iterator();

        while (it2.hasNext()) {
            Integer key = (Integer) it2.next();
            System.out.println("Clave: " + key + " Valor " + map2.get(key));
        }
        System.out.println("===================");
        Iterator it3 = map3.keySet().iterator();

        while (it3.hasNext()) {
            Integer key = (Integer) it3.next();
            System.out.println("Clave: " + key + " Valor " + map3.get(key));
        }


        System.out.println("============================\n");
        System.out.println("Dimension map: "+map.size());
        System.out.println("Esta vacio? "+map.isEmpty());
        System.out.println("Eliminar el item: 90 "+map.remove(90));
        System.out.println("Mensaje de error cuando no existe un item: "+map.get(90));
        System.out.println("Buscar si existe un elemento con la clave 90 "+map.containsKey(90));
        System.out.println("Buscar a la hermana de daniel en el arbol: "+map.containsValue("Naie Trejo"));

        System.out.println("Le daremos en la madre al arbol: "); map.clear();

        String res = (map.isEmpty()) ? "A huevo" : "Pos no";
        System.out.println("Si se vacio? "+ res);

        for(Entry<Integer, String> tmp : map2.entrySet()){
            Integer key = tmp.getKey();
            String valor = tmp.getValue();
            System.out.println("Clave: "+key+" Valor: "+valor);
        }
    }

}