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Modify by throwing

 
Jeffery Miller
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I need some help to modify the perimeter method in the following program so it will throw an Exception object. Guidence or an example would be appriciated.


 
Bill Shirley
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Campbell Ritchie
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"ouch". Yes, it will work, but because it is a checked Exception it requires a "throws" or a "try-catch."
Go into your Java folder on your PC, and explore it until you find a file called src.zip. Unzip that, find a method which throws an Exception, and examine that.
Find the java folder, in that the awt folder, in that the Color class, then inspect its constructors. See how they deal with Exceptions. Have a look at the Java Tutorial here.
 
Campbell Ritchie
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I really ought to learn to read. I see you already have a try-catch, but not a "throws." You ought not to catch "Exception," but a subclass on Exception.
When I said "method which throws Exceptions" the constructor I quoted is a similar example.
 
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