EtagereService.java

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package Metier;

import java.util.ArrayList;

public interface EtagereService {
    public void add(Etagere etagere);
    public void update(Etagere etagere);
    public void remove(Etagere etagere);
    public ArrayList<Etagere> getAll();
    public Etagere getById(int id);
}