Java write a program to calculate the factorial of any natural number entered by a user.相关知识点: 试题来源: 解析 import java.util.Scanner;public class DiGui {public static void main(String[] args){//创建一个输入容器Scanner input = new Scanner(System.in);System.out.println("输入一个数:...
Input: 5 Output: 120 Solution 1: Factorial Calculation using Loops Code: import java.util.Scanner; public class FactorialUsingLoop { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); // Taking user input System.out.print("Enter a number: "); int num = ...
The output of the above program is: Factorial of 4 is: 24 2. Find factorial using Recursion To find the factorial,fact()function is written in the program. This function will take number (num) as an argument and return the factorial of the number. ...
Program for factorial of a number Create class CrunchifyFactorialNumber.java package crunchify.com.java.tutorials; import java.util.Scanner; public class CrunchifyFactorialNumber { public static void main(String[] args) { // Let's prompt user to enter number // A simple text scanner which can...
In this program, we will read an integer number from the user and then we will calculate the factorial of the input number using recursion.Java program to calculate factorial of a number using recursionThe source code to calculate the factorial of a number using recursion is given below. The...
If the user inputs a positive number through the input box in the form, the factorial of that number is calculated and the result is printed. Code: <html> <head> <title> Factorial Program</title> </head> <body> <form method="POST"> ...
returnnum*factorial(num-1);}}intmain(){intnum;// Declare variable to store the input numbercin>>num;// Take input from the user// Displaying the factorial of the input number using the factorial functioncout<<factorial(num)<<endl;return0;// Indicating successful completion of the program}...
In order to get input from the user, remember to import the java.util.Scanner. If you'd like to read more about getting user input in Java - read our Guide to the Scanner class. Let's test our method and print the results: Scanner scanner = new Scanner(System.in); int inp; ...