Created
September 20, 2017 12:06
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| public class Orcamento { | |
| private double valor; | |
| private List<Item> itens; | |
| public Orcamento(double valor) { | |
| this.valor = valor; | |
| this.itens = new ArrayList<Item>(); | |
| } | |
| public double getValor() { | |
| return valor; | |
| } | |
| public List<Item> getItens() { | |
| return Collections.unmodifiableList(itens); | |
| } | |
| public void adicionaItem(Item item) { | |
| itens.add(item); | |
| } | |
| } | |
| public class Item { | |
| private String nome; | |
| private double valor; | |
| public Item(String nome, double valor) { | |
| this.nome = nome; | |
| this.valor = valor; | |
| } | |
| public String getNome() { | |
| return nome; | |
| } | |
| public double getValor() { | |
| return valor; | |
| } | |
| } | |
| public class CalculadorDeDescontos { | |
| public double calcula(Orcamento orcamento) { | |
| // verifica primeira regra de possível desconto | |
| if(orcamento.getItens().size > 5) { | |
| return orcamento.getValor() * 0.1; | |
| } | |
| // verifica segunda regra de possível desconto | |
| else if(orcamento.getValor() > 500.0) { | |
| return orcamento.getValor() * 0.07; | |
| } | |
| // verifica terceira, quarta, quinta regra de possível desconto ... | |
| // um monte de ifs daqui pra baixo | |
| } | |
| } |
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