Created
September 20, 2017 12:06
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| public class DescontoPorMaisDeCincoItens { | |
| public double desconta(Orcamento orcamento) { | |
| if(orcamento.getItens().size > 5) { | |
| return orcamento.getValor() * 0.1; | |
| } | |
| return 0; | |
| } | |
| } | |
| public class DescontoPorMaisDeQuinhentosReais { | |
| public double desconta(Orcamento orcamento) { | |
| if(orcamento.getValor() > 500) { | |
| return orcamento.getValor() * 0.07; | |
| } | |
| return 0; | |
| } | |
| } | |
| public class CalculadorDeDescontos { | |
| public double calcula(Orcamento orcamento) { | |
| // vai chamando os descontos na ordem até que algum deles dê diferente de zero... | |
| double desconto = new DescontoPorMaisDeCincoItens().desconta(orcamento); | |
| if(desconto == 0) | |
| desconto = new DescontoPorMaisDeQuinhentosReais().desconta(orcamento); | |
| if(desconto == 0) | |
| desconto = new ProximoDesconto().desconta(orcamento); | |
| // ... | |
| return desconto; | |
| } | |
| } |
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