Write a Java-program to print Factorial Number using for loop ?
Write a Java-program to print Factorial Number using for loop ?
Write a Java-program to print Factorial Number using for loop ?
Program
public class Main
{
public static void main(String args[])
{
int x,n=5,fact=1;
for(x=1; x<=n; x++)
{
fact=fact*x;
}
System.out.print(n+" Factorial is "+fact);
}
}
Output:
120
Using CommandLine Arguments
public class Main
{
public static void main(String args[])
{
int x,n,fact=1;
n=Integer.parseInt(args[0]);
for(x=1; x<=n; x++)
{
fact=fact*x;
}
System.out.print(n+" Factorial is "+fact);
}
}
Output:
120
Using Scanner Class
import java.util.*;
public class Main
{
public static void main(String args[])
{
int x,n,fact=1;
Scanner s=new Scanner(System.in);
System.out.println("Enter n value: ");
n=s.nextInt();
for(x=1; x<=n; x++)
{
fact=fact*x;
}
System.out.print(n+" Factorial is "+fact);
}
}
Output:
Enter n value : 5
120
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