update,

it114105/itp3914/Lab07/Ex8.java

@@ -0,0 +1,14 @@
+import java.util.Scanner;
+
+public class Ex8 {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        System.out.print("n? ");
+        int num = input.nextInt();
+        int result = 1;
+        for(int i=num; i > 0; i--)
+            result*=i;
+        
+        System.out.printf("%d! = %d\n", num, result);
+    }
+}