Suggestion needed for container classes

[Hardy Wang]

Hi all:
I need to create some container classes for vehicle information.
Something like below:

class Vehicle {
private Options[] o;
private Prices[] p;
// .... more attributes

public Options[] VehicleOptions {
get {
return o;
}
set {
o = value
}
}

public Prices[] VehiclePrices {
get {
return p;
}
set {
p = value
}
}
}

class Options {
private string optionName;
private int optionPrice;

public string OptionName {
get {}
set {}
}

public int OptionPrice {
get {}
set {}
}
}

class Prices {
private string priceName; // MSRP, List Price....
private int priceValue;

public string PriceName {
get {}
set {}
}

public int PriceValue {
get {}
set {}
}
}

The requirement is to handle multiple attributes, say a vehicle may have
more than one option on it, the the number of options is unlimited. Is there
a good idea to handle dynamic array? Or do you think indexer is a good idea?

Thanks for any suggesstion!

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yours Hardy