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class Computer
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{
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private string name;
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private List<Component> components;
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private decimal price;
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private static decimal TotalComponentsPrice(List<Component> components)
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{
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decimal totalPrice = 0;
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foreach (var cmpt in components)
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{
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totalPrice += cmpt.Price;
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}
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return totalPrice;
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}
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public void Init(string name, List<Component> components)
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{
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this.Name = name;
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this.Price = TotalComponentsPrice(components);
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this.Components = components;
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}
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public string Name
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{
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get
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{
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return this.name;
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}
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set
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{
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if (string.IsNullOrEmpty(value))
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{
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throw new ArgumentNullException(“Name cannot be empty”);
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}
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this.name = value;
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}
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}
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public decimal Price
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{
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get
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{
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return this.price;
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}
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set
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{
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this.price = TotalComponentsPrice(components);
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}
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}
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public List<Component> Components { get; set; }
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}
