Ejercicio De Zapatos
Es una posible solucion se puede mejorar pero es una posibilidad
package shoes;
import java.util.ArrayList;
/**
*
* @author Carlos Alejandro
*/
public class Shoe {
private int precio;
private int tamaño;
private String modelo;
public Shoe(int precio, int tamaño, String modelo){
this.modelo=modelo;
this.precio=precio;
this.tamaño=tamaño;
}
public Shoe(){
}
public int getPrice(){
return precio;
}
public int getTamaño(){
return tamaño;
}
public String getModelo(){
return modelo;
}
@Override
public String toString(){
return modelo+", "+tamaño+", "+precio;
}
public void printList(ArrayList<Shoe> lista){
for(int i=0; i<lista.size();i++){
System.out.println(lista.get(i));
}
}
}
package shoes;
import java.util.Comparator;
/**
*
* @author Carlos Alejandro
*/
public class ShoeComparatorPrice implements Comparator{
public int compare(Object o1, Object o2) {
Shoe s1= (Shoe) o1;
Shoe s2= (Shoe) o2;
return s1.getPrice()-s2.getPrice();
}
@Override
public boolean equals(Object o){
return this==o;
}
@Override
public int hashCode() {
int hash = 7;
return hash;
}
}
package shoes;
import java.util.Comparator;
/**
*
* @author Carlos Alejandro
*/
public class ShoeComparatorSize implements Comparator{
public int compare(Object o1, Object o2) {
Shoe s1= (Shoe) o1;
Shoe s2= (Shoe) o2;
return s1.getTamaño()-s2.getTamaño();
}
@Override
public boolean equals(Object o){
return this==o;
}
@Override
public int hashCode() {
int hash = 7;
return hash;
}
}
package shoes;
import java.util.Comparator;
/**
*
* @author Carlos Alejandro
*/
public class ShoeComparatorModel implements Comparator{
public int compare(Object o1, Object o2) {
Shoe s1= (Shoe) o1;
Shoe s2= (Shoe) o2;
return s1.getModelo().compareTo(s2.getModelo());
}
@Override
public boolean equals(Object o){
return this==o;
}
@Override
public int hashCode() {
int hash = 7;
return hash;
}
}
package shoes;
import java.util.ArrayList;
import java.util.Collections;
/**
*
* @author Carlos Alejandro
*/
public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
Shoe s1 = new Shoe();
ArrayList <Shoe>list = new ArrayList();
list.add(new Shoe (200,4,"Nike"));
list.add(new Shoe (120,8,"Adidas"));
list.add(new Shoe(150,3,"New Balance"));
s1.printList(list);
System.out.println("");
System.out.println("Precio:");
Collections.sort(list, new ShoeComparatorPrice());
s1.printList(list);
System.out.println("");
System.out.println("Size:");
Collections.sort(list, new ShoeComparatorSize());
s1.printList(list);
System.out.println("");
System.out.println("Model:");
Collections.sort(list, new ShoeComparatorModel());
s1.printList(list);
}
}
page revision: 0, last edited: 17 Jul 2008 04:37