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returning a value

 
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What is the reason that I get an error message "non-static method cannot be referenced from a static context" while trying to return a value from a class? what does it mean actually?
Thanks,
Erkki
 
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Non-static methods -- i.e., regular instance methods -- have to have an object of the class to operate on. Static methods don't need an object. Therefore, you can't call a non-static method from a static one without creating an object. Here's an example of code that will cause this error message:

And here's how you would fix the problem:
 
Erkki Veps�l�inen
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Thanks for informing! Got it clear!
 
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