Java 基礎練習(3)-階乘Program

import java.util.Scanner;

class MyJava {

public static void main(String args[])
{
Scanner name = new Scanner(System.in);
System.out.println("Hello,Please enter your number");
int data1 = name.nextInt();
int a = 1;
for(int i=1; i<=data1; i++)
{
a=i*a;
}
System.out.println("The answer is "+ a);


}

}

另一個寫法: