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non static referenced from a static context?

 
Greenhorn
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Writing a program to calculate interest with a separate method for the calculation, but it won't compile...any help?

 
Sheriff
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First, please UseCodeTags.

No, first, welcome to JavaRanch!

Second, please UseCodeTags.

Now, you can't reference non-statics from statics. Either declare your method static, or create an instance of your class and use that to call the method.
 
Marshal
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That is not simple interest you are calculating, but compound interest. If you find the most dubious classification of methods known to modern science, that comes to be a 1368. You could therefore consider making it static.
Note you can’t override static methods, nor make interface methods static.
 
Greg Charles
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Hey, I like that classification system! Sort of a Meyers-Briggs for methods.
 
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