Factorial program in java

Java code or program to find out the factorial of give number

import java.io.*;

class Test {

     public static void main(String[] args) throws IOException {

          int i=1,f=1,num;

          System.out.println("Enter the number:");

          BufferedReader br=new BufferedReader(new InputStreamReader (System.in));

          num=Integer.parseInt(br.readLine());

         

          while(i<=num){

              f=f*i;

              i++;

          }

          System.out.println("Factorial of "+num+" is:"+f);

     }

}

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