Write a java program that willInvoke (call) a method calcFact that willreceive an integer from main after itis obtained from useruse recursion to calculate the factorial of that integerfrom main, print the factorial of the integer

Answered: Write a java program that will Invoke…

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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Question

Write a java program that will

Invoke (call) a method calcFact that will

receive an integer from main after itis obtained from user
use recursion to calculate the factorial of that integer
from main, print the factorial of the integer

Expert Solution

Step 1

Java Program:

import java.util.*;

class CalcFactClass{
public static void calcFact(int n){
int prod = 1;
for(int i=n; i>0; i--){
prod *= i;
}
System.out.println("Factorial = " + prod);
}
public static void main(String args[]){
Scanner in = new Scanner(System.in);
System.out.println("Enter an integer");
int n = in.nextInt();
CalcFactClass.calcFact(n);
}
}

Step 2

Program image:

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