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Soit le code suivant : class A { } class B extends A { } class TestAB...

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Soit le code suivant :

class A { }

class B extends A { }

class TestAB {

public static void main(String[] args) {

A unA = null;

// tirage d'une valeur aléatoire 0 <= val < 1

double valeur = Math.random();

if (valeur > 0.5) {

unA = new A();

} else {

unA = new B();

}

System.out.println(unA);

}

}

Quel est le type dynamique de la variable unA au moment de l'affichage ?...

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