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- package br.com.alura.desconto;
- import java.math.BigDecimal;
- import br.com.alura.orcamento.Orcamento;
- public abstract class Desconto {
- protected Desconto proximo;
- public Desconto(Desconto proximo) {
- this.proximo = proximo;
- }
- public abstract BigDecimal calcular(Orcamento orcamento);
- }
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