class Client void Main Builder builder new ConcreteBuilder Director di

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class Client
{
void Main()
{
Builder builder = new ConcreteBuilder();
Director director = new Director(builder);
director.Construct();
Product product = builder.GetResult();
}
}
class Director
{
Builder builder;
public Director(Builder builder)
{
this.builder = builder;
}
public void Construct()
{
builder.BuildPartA();
builder.BuildPartB();
builder.BuildPartC();
}
}
abstract class Builder
{
public abstract void BuildPartA();
public abstract void BuildPartB();
public abstract void BuildPartC();
public abstract Product GetResult();
}
class Product
{
List<object> parts = new List<object>();
public void Add(string part)
{
parts.Add(part);
}
}
class ConcreteBuilder : Builder
{
Product product = new Product();
public override void BuildPartA()
{
product.Add("Part A");
}
public override void BuildPartB()
{
product.Add("Part B");
}
public override void BuildPartC()
{
product.Add("Part C");
}
public override Product GetResult()
{
return product;
}
}