Factorial Program in Java

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Java Program to Find Factorial on Number

Factorial of any number is the product of an integer and all the integers below it for example factorial of 4 is 4! = 4 * 3 * 2 * 1 = 24. In below code i will show you how to design Java program to find factorial, using for loop you can perform this task.

Factorial Program in Java

import java.util.Scanner;
class Factorial
	public static void main(String[] args) 
    int no, fect=1;
	Scanner s=new Scanner(System.in);
    System.out.println("Enter any number :");
    for(int i=1; i<=no; i++)
	System.out.println("Factorial is :" +fect);


Enter any number :
Factorial is :

Syntax to compile and run java program


for compile -> c:/>javac Factorial.java
for run -> c:/>java Factorial

Explnation of Code

  • Scanner s=new Scanner(System.in): are used for receive input from keyboard.
  • nextInt(): method are used for get integer type value from keyboard.
  • System.out.println("....."): are used for display message on screen or console.

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