Question: Given a Postfix String : 1 2 3 * * + 5 - Using Stack, write a method that evaluates the above expression and returns

Given a Postfix String : 123**+5-
Using Stack, write a method that evaluates the above expression and returns the result. Your test result should return 2.
Given a Postfix String : 123**+5- Using Stack, write a method

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