Question: please provide complete Java class code with main() function. Implement a program that can input an expression in postfix notation (see ExerciseC-6.19) and output its

please provide complete Java class code with main() function.

Implement a program that can input an expression in postfix notation (see ExerciseC-6.19) and output its value.

C-6.19 Postfix notation is an unambiguousway of writing an arithmetic expressionwithout

parentheses. It is defined so that if (exp1)op(exp2) is a normal fully parenthesized

expression whose operation is op, the postfix version of this is pexp1

pexp2 op, where pexp1 is the postfix version of exp1 and pexp2 is the postfix version

of exp2. The postfix version of a single number or variable is just that number

or variable. So, for example, the postfix version of ((5+2) (83))/4 is 5

2 + 8 3 4 /. Describe a nonrecursive way of evaluating an expression in

postfix notation.

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