Answered: ment each line of code explaining what…

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

Section: Chapter Questions

Problem 1PE

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Please comment each line of code explaining what it does. This is a tower of Hanoi java code Tower of Hanoi java code: import java.util.Scanner; public class TowerOfHanoi { public static void shift(int n, String startPole, String intermediatePole, String endPole) { if (n == 0) { return; } shift(n - 1, startPole, endPole, intermediatePole); System.out.println("Move \"" + n + "\" from " + startPole + " --> " + endPole); shift(n - 1, intermediatePole, startPole, endPole); } public static void main(String[] args) { System.out.print("Enter number of discs: "); Scanner scanner = new Scanner(System.in); int numberOfDiscs = scanner.nextInt(); shift(numberOfDiscs, "Pole1", "Pole2", "Pole3"); } }

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