//revaloriser l'epargne
public override void deposer(double mt)
{
transaction tt = new transaction(new DateTime(), 0, mt);
addTransaction(tt);
this.soldeCompte += mt + mt * this.soldeepargne;
}
public void retirer(double mt)
{
transaction tt = new transaction(new DateTime(), 1, mt);
addTransaction(tt);
if (this.soldeCompte + this.decouvert > mt)
{
this.soldeCompte -= mt;
}
}
//abstract public String toString();
public void addTransaction(transaction tt)
{
transaction.Add(tt);
}