Answered: Given the GVCoin class, complete the…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Given the GVCoin class, complete the method flipForHeads() in the TossingCoins class that counts and returns the number of flips taken to achieve a desired number of heads. Method flipForHeads() has a GVCoin object and an integer representing the desired number of heads as parameters. Review the definition of "GVCoin.java" by clicking on the orange arrow.

Note: For testing purposes, a GVCoin object is created in the main() method using a pseudo-random number generator with a fixed seed value. The program uses a seed value of 15 during development, but when submitted, a different seed value will be used for each test case. Refer to the textbook section on Random numbers to learn more about pseudo-random numbers.

Ex: If the GVCoin object is created with a seed value of 15 and the desired number of heads is 100, then the method flipForHeads() returns 192 and the program outputs:

Total number of flips for 100 heads: 192

Code:

public class TossingCoins {

public int flipForHeads(GVCoin coin, int goal) {
/* Type your code here. */
}

public static void main(String[] args) {
TossingCoins game = new TossingCoins();
GVCoin coin = new GVCoin(15); // Create a GVCoin object with seed value 15
int numHeads = 100; // Desire 100 heads
int totalFlips;

totalFlips = game.flipForHeads(coin, numHeads);
System.out.println("Total number of flips for 100 heads: " + totalFlips);
}
}

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