write a program in java. it is basically a restuarant in which a person had to create an account. if he already has a account he can directly book a reservation. make sure that Reservation is properly done by Java Calender. Later the Restuarant will ask for the review of the dish also give a coupon of 10%,15% discount to fully satisfied the customer. and all of this will be save in a text file and next time if we run the code the reservation slots should be booked. make sure you put try catch phrases. classes are Customer and Restuarantt if these helps. All classes should be in the same file with Main Class also provide the screenshots of the code running in compiler. This is a basic Java project that is only gonna execute on CLI. and the screenshot are the code running on VS code or any other compiler. don't copy any other code because they are wrong

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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.