Université de Bordeaux

class A {
    public void f() {
        System.out.println("methode f, classe A");
    }
}

class B extends A {
    public void f() {
        System.out.println("methode f, classe B");
    }
}

public class Test1AlgoSelection {
    public static void main(String[] args) {
        A a = new A();
        a.f();

        B b = new B();
        b.f();

        A a1 = new B();
        a1.f();
    }
}

class A {
    public void f() {
        System.out.println("methode f, classe A");
    }
    public void g() {
        f();
    }
}

class B extends A {
    public void f() {
        System.out.println("methode f, classe B");
    }
}

public class Test2AlgoSelection {
    public static void main(String[] args) {
        A a = new A();
        a.g();
        B b = new B();
        b.g();
        A a1 = new B();
        a1.g();
    }
}

class A {
    public void f(A a) {
        System.out.println("methode f, classe A");
    }
    
    public void g(A a) {
        System.out.println("methode g, classe A");
    }
}

class B extends A {
    public void f(B b) {
        System.out.println("methode f, classe B");
    }

    public void g(A a) {
        System.out.println("methode g, classe B");
    }
}

public class Test3AlgoSelection {
    public static void main(String[] args) {
        A a = new A();
        A a1 = new A();
        A a2 = new B();

        B b = new B();
        B b1 = new B();

        a1.f(a);
        a1.f(a2);
        a1.f(b1);

        a2.f(a);
        a2.f(a2);
        a2.f(b1);

        b.f(a);
        b.f(a2);
        b.f(b1);

        a1.g(a);
        a1.g(a2);
        a1.g(b1);

        a2.g(a);
        a2.g(a2);
        a2.g(b1);

        b.g(a);
        b.g(a2);
        b.g(b1);
    }
}

class Nourriture {

}

class Herbe extends Nourriture {

}

class Animal {
    public void mange (Nourriture n) {
        System.out.println("Je mange toute sorte de nourriture");
    }
}

class Lapin extends Animal{
    public void mange (Herbe h) {
        System.out.println("Je mange de l'herbe");
    }
}

public class AppliLapinMange{
    public static void main(String[] args) {
        Herbe h = new Herbe();
        Nourriture n = h;

        Lapin l = new Lapin();
        l.mange(h);
        l.mange(n);
        
        Animal a = l;
        a.mange(h);
        a.mange(n);
    }
}

class A{
    int i=1;
    int f(){
        return i;
    }
}

class B extends A{
    int i=5;
    int f(){
        return super.f()+i;
    }
}

class Test{
    public static void main(String[] args){
        A b=new B();
        System.out.println(b.i);
        System.out.println(b.f());
    }
}