FactorialForLoop.java

import java.util.Scanner;

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 // Java Program to find Factorial of a number using for loop
public class FactorialForLoop {

    public static void main(String args[]) {

        // create Scanner class object to get input from user
        Scanner scanner = new Scanner(System.in);
		
        System.out.println("Enter a number:");
		
        //get user's enetered value from 'scanner' object into 'num' variable
        int num = scanner.nextInt();
		
		// declared 'factorial' variable to store factorial
        int factorial = 1;
		
		// gettting factorials using 'for loop'
		for(int i = 1; i <= num; i++){
			factorial = factorial * i;
		}        
		
        System.out.println("Factorial of "+num+" is = " + factorial);

    }	

}