Answered: Getting an error while running my code.…

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

Getting an error while running my code.

import java.util.Scanner;
import java.math.BigInteger;

public class Main{
Bigintege result;
public static void computeFact(int n){
BigInteger result = BigInteger.ONE;
while (n>0){
result = result.multiply(BigInteger.valueOf(n));
n = n-1;
}
}
public static void computeFact2(int n){
BigInteger a = 4n;
BigInteger fact = 1;
while(n>0) {
fact = fact.multiply(BigInteger.valueOf(4n));
a = a - 1;
}
}
BigInteger b=396, c, d;
public static void compute(int n) {
BigInteger sum = 0, final_result;
public static void computeSummation() {
while(n > 0) {
sum = sum + (a/result) * (c); n = n-1;
}
final_result = d * sum;
System.out.println("Final result is "+final_result);
}
public static void main(String[] args) {
Scanner kybd = new Scanner(System.in);
while ( true) {
System.out.print("\n\tEnter an Integer Number e.g. 5 ");
int num = kybd.nextInt();
computeFact(num);
computeFact2(num);
compute(num);
computeSummation(num);
}
}
}