//*************** Fichier AppareilElectriqueTest.java public class

//*************** Fichier AppareilElectriqueTest.java
public class AppareilElectriqueTest {
public static void main(String[] args) {
// des objets instances de Television et Aspirateur
Television tv1 = new Television();
Television tv2 = new Television(30,2);
System.out.println("Tv1, contraste :"+ tv1.getContraste());
tv1.setContraste(190);
System.out.println("Tv1, contraste :"+ tv1.getContraste());
Aspirateur asp1 = new Aspirateur();
Aspirateur asp2 = new Aspirateur(8);
System.out.println("Asp2 =>"+ asp2.getAspiration());
tv1.setMarche(false);
System.out.println("Etat tv1 :" + tv1.isMarche());
System.out.println("Etat global de tv1=>" +tv1.toString());
// des objets avec un tableau
Television tabTv[] = new Television[5];
for(int cpt=0;cpt<5;cpt++)
{
tabTv[cpt] = new Television(50,cpt+1);
System.out.println("Tv #"+cpt+"=>"+tabTv[cpt].toString());
}
// En profitant du polymorpshime
AppareilElectrique ae[] = new AppareilElectrique[5];
for(int cpt=0;cpt<ae.length;cpt++)
{
if(cpt%2==0)
{
ae[cpt] = new Television(50,cpt+1);
System.out.println("ae#"+cpt+"=>"+((Television) ae[cpt]).
toString());
}
else
{
ae[cpt] = new Aspirateur(5+cpt);
System.out.println("ae#"+cpt+"=>"+((Aspirateur) ae[cpt]).
toString());
}
}
// Eteindre les appareils electriques
for(int cpt=0; cpt<ae.length;cpt++)
{
ae[cpt].setMarche(false);
System.out.println("Etat ae#"+cpt+"= "+ae[cpt].isMarche());
}
for(int cpt=0; cpt<ae.length;cpt++)
{
if (ae[cpt] instanceof Television)

System.out.println("Television "+cpt);
else
System.out.println("Aspirateur "+cpt);
}
}
}
//***********************Fichier AppareilElectrique.java
public abstract class AppareilElectrique {
private boolean marche;
public AppareilElectrique()
{
marche = true;
}
/**
* @return
*/
public boolean isMarche() {
return marche;
}
/**
* @param b
*/
public void setMarche(boolean b) {
marche = b;
}
public abstract String toString();
}
//************************ Aspirateur.java
public class Aspirateur extends AppareilElectrique{
private int aspiration;
public Aspirateur()
{
aspiration = 5;
}
public Aspirateur(int aspiration)
{
if(aspiration>=0 && aspiration<=10)
this.aspiration = aspiration;
else
aspiration = 5;
}
/**
* @return
*/
public int getAspiration() {
return aspiration;

}
/**
* @param i
*/
public void setAspiration(int i) {
if(i>=0 && i<=10)
aspiration = i;
else
System.out.println("Erreur, niveau aspiration");
}
public String toString() {
return "Etat ="+ isMarche() + "; Aspiration =" + aspiration;
}
}
//*********************** Television.java
public class Television extends AppareilElectrique {
private int contraste;
private int chaine;
public Television() {
contraste = 50;
chaine = 5;
}
public Television(int contraste, int chaine)
{
if(contraste>=0 && contraste<=100)
this.contraste = contraste;
else
this.contraste = 50;
if (chaine>=0 && chaine<=32)
this.chaine = chaine;
else
this.chaine = 5;
}
/**
* @return
*/
public int getChaine() {
return chaine;
}
/**
* @return
*/
public int getContraste() {
return contraste;
}
/**
* @param i

*/
public void setChaine(int i) {
if (i>0 && i<=32)
chaine = i;
else
System.out.println("Erreur chaine");
}
/**
* @param i
*/
public void setContraste(int i) {
if (i>=0 && i<=100)
contraste = i;
else
System.out.println("Erreur, contraste");
}
public String toString()
{
return "Etat ="+ isMarche() + "; Contraste =" + contraste + ";
Chaine =" + chaine;
}
}