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public class Y extends X{}
public class A{
public X m1(int i){...}
public X m1(int i, int j){...}
}
public class B extends A{
public Y m1(int i){...}
public void m2(X x){...}
}
public class C extends B{
public void m2(Y y){...}
}
Quelles affirmations sont correctes ?