Discuss about how to best use a recursive program.  When do you use stacks? What is the benefit of using stacks?  Can you describe the fundamental difference between queues and stacks so that even non-major students might understand it?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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    • Discuss about how to best use a recursive program. 
    • When do you use stacks? What is the benefit of using stacks? 
    • Can you describe the fundamental difference between queues and stacks so that even non-major students might understand it?
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1. Let product(n,m) be a recursive method that computes the product of two positive integers, using only addition and subtraction. To make this method a recursive one, you are to make a) a base case when m = 1, b) a general case when m ≠ 1. For a general case, the return value should be n plus the result of a recursive call to the method product() with parameters n and m - 1. Write a short Java code for this method, along with a test program.

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