The previous program works well as longas the user enters an integer. Otherwise, you may get another kind ofexception. For instance, if you use nextInt() of Scanner, you could have anInputMismatchException.Modify it to prevent users entering anythingother than an integer.

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.