java - Factorial sequence -

java - Factorial sequence -

i first year pupil , having our first case study...

right im working on 1 of problems regarding factorial sequence, , i'm getting errors can't figure out.

the output should this

user input =4

correct output: 4! = 4 x 3 x 2 x 1 = 24

there...

i able output above except in ascending order not descending above...

like

output:

4! = 1 2 x 3 x 4 x = 24

my code above output this

code:

public static void main(string[] args) throws exception {

scanner sc = new scanner(system.in); system.out.println("this programs displays factorial sequence of number"); system.out.println(); system.out.print("enter number display factors: "); int producti = 1; int num = sc.nextint(); system.out.print(num + "!" + " " + "=" + " "); (int = 1; <= num; i++) { if (num % == 0); system.out.print(i + " "); if (i > 1) { system.out.print("x"); } system.out.print(" "); producti *= i; } system.out.print("=" + " " + producti); }

there

so have come code go in descending order made incomplete output plus error

the code is

code:

public static void main(string[] args) throws exception { scanner sc = new scanner(system.in); system.out.println("this programs displays factorial sequence of number"); system.out.println(); system.out.print("enter number display factors: "); int producti = 1; int num = sc.nextint(); system.out.print(num + "!" + " " + "=" + " "); (int = num; num >= i; i--) { if (num % == 0); system.out.print(i + " "); if (i > 1) { system.out.print("x"); } system.out.print(" "); producti *= i; } system.out.print("=" + " " + producti); }

and output of code shows

output: programs displays factorial sequence of number

enter number display factors: 4 exception in thread "main" java.lang.arithmeticexception: / 0 @ javaapplication2.javaapplication2.main(javaapplication2.java:27) 4! = 4 x 3 x 2 x 1 java result: 1

there

so dont know why lastly scheme out print didnt show , instead showed error. , why errors when changed position of num in program...

is there can clear problem out...

what if (num % == 0);? did seek here?

remove it, , alter for loop for (int = num; i>=1; i--).

another thing, can write: system.out.print(num + "! = "); instead of system.out.print(num + "!" + " " + "=" + " ");

after changes you'll code, , should work:

for (int = num; i>=1; i--) { system.out.print(i + " "); if (i > 1) { system.out.print("x"); } system.out.print(" "); producti *= i; } system.out.print("=" + " " + producti);

java sequence factorial factors