Frequently Asked Java Program 13: Factorial of a Number

Topic : Factorial of a Number
Notes:
--------
A factorial is a function that multiplies a number by every number below it.
For example
5!= 5*4*3*2*1=120.
OR
5!= 1*2*3*4*5=120.
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[@2anshumansehgal]

Thanks sir a lot...really liked the series..please make array set of questions as well. Thanks

[@sdetpavan]

Coming soon.

[@KrisuParikh]

thank you so much , ur videos means a lot

[@priteshtraveller]

Best❤

[@kennyi1200]

Recursion would go as well public static long factorial(int number) { if(number>=1) return number*factorial(number-1); else return 1; } and SysOut factorial(5);

[@sanjayyadav-xe7mf]

very simple explanation...thaanks a lot sir

[@sdetpavan]

You are most welcome

[@hemmishra1102]

//using while loop import java.util.Scanner; public class FactorialOfANumber { public static void main(String[] args) { System.out.println("Enter a number :"); Scanner sc=new Scanner(System.in); int num; num=sc.nextInt(); int number=num; int res=1; while (num>0) { res=res*num; num--; } System.out.println("Factorial of "+number+" is: "+res); } }

[@nickthelover1]

Good explanation. But did not cover while loop

[@r.rajalakshmi369]

Sir, Debugging video pls.

[@kogilathotavijayreddy4963]

Find factorial of a big number using Big integer class..... because if we do using int for big numbers it will stack overflow

[@RamisettyKalpana-jy7jb]

Thank you sir

[@sdetpavan]

Welcome

[@bommanareddaiah3950]

Sir reversing number lo scanner.ani yenduku vachhindi bro

[@pavankukatlapalli]

How to remove the debug point?

[@anandsharma9159]

Could have explained recursive solution as well. Mostly interviewers look for that.

[@roshaniagrahari5640]

Very nice

[@madhukiransunkara9807]

Sir Make an video about ISTQB Fundamental level certification Details and How to prepare for it

[@samitasajeevan2659]

Wonderful ❤️

[@sdetpavan]

Thank you!

[@NA7-DEVIL]

Sir thank you God is great Sir op promote us also please in community's post

[@gauri992]

Thankyou Sir

[@AyushDadweOfficial]

sir you look like harshad mehtaa 😳

[@niteshwar1714]

public class Main { public static void main(String[] args) { int num=5; long fact=1; while(num!=0){ for(int i=1;i

[@lekhyasagala]

Write your print out statement outside the while loop

[@neelmoradiya1389]

🇮🇳🇮🇳🙏🙏👍👍