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POPolymorphism and boxes
 

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    <p>I am trying to get round a rather annoying issue in my homework.</p> <p>Basically the task is to create a fake ordering UI where the user puts in some variables about the type of box they need to order and then presses a button. Behind the scenes the app should be validating which pipe fits the users needs and then instantiate a new box object and execute the methods inside the new object.</p> <p>I am basically struggling to find a way that isn't stupid which allows for the UI to validate a choice before creating a new object, a method is given to us to begin with and is referred to a 'brute force method' which has a massive if statement inside the button click which does the checking there, now I am 100% sure there is an easier way to do it although the only thing I can come up with is holding constants or statics in a class and checking each class before creating one.</p> <p>Scenario: The idea is that each box the company sells has certain features (thickness, laminated, colour and other things) while others boxes don't, I need to be able to figure out when the order button is clicked what box the order fits once I know the box type that the order fits I should create a new object of that box and run the cost() method, if it doesn't fit any box the company sells then I should prompt the user. The program must use abstraction.</p> <p>The class isn't at a high level at the moment so I can't use enums and lookup tables which is causing me problems.</p> <p>Thanks for any help in advance.</p>
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    1. COSome code, please?
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    2. COThere is no reason for code, I am asking for methods (not code) on how this could be done.
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    3. COTokenizer is too high level for the teaching class that I am in.
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