Answer by Jean Logeart for sorting a List in java
That is because the list you sorted is not c.getCommandes but a new list you created:List<Commande> commandes = new ArrayList<Commande>(c.getCommandes());creates a new list that is not...
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i have a list of objects that i wanna sort, i create this list by providing an existing list first then than complete my list by adding other objects like this Client c =...
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