Java throw 2 exceptions

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Hello! I have completed a class for PostFix expression but right now I need to handle 2 type of exceptions. I have 2 methods in that class (toString and Evaluate) and both method are working. However, you will need to write : 1.1) IllegalArgumentsExceptions in the constructor to handle the case of an illegal string examples : " 3 5 +++", "hello", "4 5 6 3 2". A correct input can be "4 9 /", "4 8 3 + /", " a b +". We don't have to handle parenthesis here. 1.2) Another exception in the Evaluate method because for that method we can not evaluate string that contain letters such as " a b +" since we don't know the value of a and b (but it's correct for the constructor). So it's the same logic as the constructor but without letters/variables names. You will probably need to REGEX to read the expression. I think it's about 5 lines of code for the evaluate method and a bit more for the constructor

Java

Software Architecture

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@kpurens

I'm an experienced Java developer. Have had multiple previous cases of exception handling. Can write a clean Regex expression to handle your use case if necessary. I'm new to Freelancer, but can prove myself as an excellent Java devloper. Your given description of the problem seems quite simple and easy.

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8 freelancers δίνουν μια μέση προσφορά $30 USD για αυτή τη δουλειά

@PATechnology

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@meetravig

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@eyasanwar91

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