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How about a class for simple output?

I have created a class to make it easy for you to write programs that display information, warnings, and errors to the user.

Just download and
SimpleOutput.class and put them in the bookClasses directory.

To display an information message using a pop-up window do:

SimpleOutput.showInformation("The sky is blue");

Uploaded Image: showInfo.jpg

To display a warning message using a pop-up window do:

SimpleOutput.showWarning("Watch Out!");

Uploaded Image: showWarn.jpg

To display an error message using a pop-up window do:

SimpleOutput.showError("That isn't a number!");

Uploaded Image: showError.jpg

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