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In this core java programming tutorial we will write a program to Find factorial of number in java.
In this program we will find out factorial of number.
input: 4
output: 24
Q.How we caluclate factorial in java?
A.Let’s say our input is: 4
Than our factorial is 4x3x2x1 = 24.
Full Program/SourceCode/ Example in java >
/** Copyright (c), AnkitMittal www.JavaMadeSoEasy.com */
public class FactorialExample {
public static void main(String...args){
int num=4;
System.out.println("Factorial of "+num+" is: "+findFactorail(num));
}
/*
* return factorial of num.
*/
public static int findFactorail(int num){
int factorial=1;
while(num>0){
factorial=factorial*num;
num--;
}
return factorial;
}
}
/*OUTPUT
Factorial of 4 is: 24
*/
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So, in this core java programming tutorial we wrote a program to Find factorial of number in java, we learned how to calculate factorial of number in java.
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Labels:
Core Java
Level1 programs (beginners)