Oi galera!!!!
Tenho este Arraylist:
List carrinhoef = new ArrayList();
if (session.getAttribute("registrosef") != null) {
carrinhoef = (ArrayList)session.getAttribute("registrosef");
}
//Imprime o array antes de setar na sessao
System.out.println(carrinhoef+"");
int qtd = Integer.parseInt(f.getQtd());
double preco= Double.parseDouble(f.getPreco());
double total = qtd*preco;
carrinhoef.add(total+"");
int ief=1;
int tamef = carrinhoef.size();
double count=total;
for (ief=0; ief<tamef; ++ief)
{
//Imprime cada item adicionado no array
System.out.println(carrinhoef.get(ief)+"");
}
//Seta o array na sessao
session.setAttribute("registrosef", carrinhoef);
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