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On donne les éléments Java suivants. public class A{public void m(){};} pu...
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On donne les éléments Java suivants.public class A{public void m(){};}public class A1 extends A{public void m1(){};}public class A2 extends A{public void m2(){};}Soit le programme p suivant :ArrayList<A> al=new ArrayList<>();al.add(new A());al.add(new A1());al.add(new A2());Indiquez parmi les lignes ci-dessous lesquels compilent
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