What is the value of the reverse polish notation expression

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Reference no: EM131841379

Problem

1. What is the value of the reverse Polish notation expression 2 3 4 + 5 × ×?

2. Why does the branch for the subtraction operator in the Calculator program not simply execute results.push(results.pop() - results.pop());

3. In the evaluation of the expression 3 - 4 + 5 with the algorithm, which operator gets evaluated first?

Reference no: EM131841379

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