This print for content only-size & color not accurate 7" X 9-1/4" / casebound / malloy

// Sort my cars?

Array.Sort(myAutos);

If you run this test, you would find that an ArgumentException exception is thrown by the run-

time, with the following message:

"At least one object must implement IComparable."

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When you build custom types, you can implement IComparable to allow arrays of your types to

be sorted. When you flesh out the details of CompareTo(), it will be up to you to decide what the

baseline of the ordering operation will be. For the Car type, the internal carID seems to be the logi-

cal candidate: