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November 9, 2022 13:15
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import groovy.transform.ToString | |
/** | |
* identité => type | |
* | |
* Objet : element à une vie | |
* => créé ( réification , donner vie, donner substance à un concept abstrait) | |
* => utilisé | |
* => détruit | |
*/ | |
class Utilisateur { | |
} | |
@ToString | |
class Vehicule { | |
String carburant; | |
int puissance; | |
String typeDeplacement; // Aerien, terrestre, maritime | |
public Vehicule(String carburant, String puissance = 0, String typeDeplacement = "terrestre") { | |
this.carburant = carburant; | |
this.puissance = puissance; | |
this.typeDeplacement = typeDeplacement | |
} | |
String getCarburant() { | |
return carburant; | |
} | |
static public listeVehicules = [] | |
public Vehicule() { | |
println "Vehicule créé avec hashCode " + hashCode() | |
listeVehicules.add(this) | |
} | |
def avancer() { | |
} | |
} | |
class Avion { | |
} | |
Vehicule vehicule = new Vehicule(); | |
println "Liste vehicules taille=${Vehicule.listeVehicules.size}" | |
vehicule.puissance = 110 | |
vehicule.avancer() | |
Vehicule vehicule2 = new Vehicule(); | |
println "Liste vehicules taille=${Vehicule.listeVehicules.size}" | |
vehicule2.puissance = 110 | |
Vehicule vehicule3 = new Vehicule(); | |
println "Liste vehicules taille=${Vehicule.listeVehicules.size}" | |
Vehicule.listeVehicules.each { vh -> println "Puissance veh : ${vh.puissance}"} | |
String str1 = "ma chaine de caractere" | |
String str2 = "ma chaine de caractere" | |
String str3 = "ma chaine de caractere" - "ma" | |
String str5 = new String("ma chaine de caractere") | |
println "str3 : $str3 ${str3.hashCode()}" | |
println "str1 : ${str1.hashCode()}" | |
println "str2 : ${str2.hashCode()}" | |
str1 = str1 - "ma"; | |
println "str1 : ${str1.hashCode()}" | |
println "str5 : ${str5.hashCode()}" | |
println "Vehicule 1 ${vehicule} ${vehicule.hashCode()}" // => retourne l'adresse mémoire JVM ou est alloué l'objet | |
println "Vehicule 2 ${vehicule2} ${vehicule2.hashCode()}" | |
println "Vehicule 3 ${vehicule3} ${vehicule3.hashCode()}" | |
println "vehicule.puissance ${vehicule.puissance} vehicule2.puissance ${vehicule2.puissance}" | |
println "Vehicule 1 est le meme vehicule que vehicule 2 ? " + (vehicule == vehicule2) | |
println "Vehicule 1 ${vehicule.hashCode()} est le meme vehicule que vehicule 2 ${vehicule2.hashCode()} ? " + (vehicule == vehicule2) | |
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