A simple program that will ask the user to give a number and then our program will compute the factorial value of the given number using Java programming language.
I am currently accepting programming and web development work kindly contact me in the following email address for further details. Thank you.
My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.
My telephone number at home here in Bacolod City, Negros Occidental is (034) 4335675.
Sample Program Output
Program Listing
factorial.java
import java.util.Scanner;
// factorial.java
// Written By Mr. Jake R. Pomperada, MAED-IT
// February 2, 2018 4:24 PM Friday
// Bacolod City, Negros Occidental Republic of the Philippines
// jakerpomperada@yahoo.com and jakerpomperada@gmail.com
class factorial {
public static void main(String[] args)
{
int num1=0, c=0, fact = 1;
Scanner s = new Scanner(System.in);
System.out.println();
System.out.println("=== Factorial Number in Java === ");
System.out.println();
System.out.print("Give a Number : ");
num1 = s.nextInt();
if (num1 < 0) {
System.out.println("\n");
System.out.println("Number should be non-negative.");
}
else
{
for (c = 1; c <= num1; c++)
fact = fact*c;
}
System.out.println("\n");
System.out.println("The factorial value of "+num1+" is = "+fact);
System.out.println("\n");
System.out.println("\t End of Program");
System.out.println();
}
}
