Upload fact.txt

fact.txt

@@ -0,0 +1,39 @@
+import java.util.Scanner;
+
+public class FactorialCalculator {
+
+    public static void main(String[] args) {
+        // Create a Scanner object for user input
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Enter a non-negative integer: ");
+        
+        // Validate user input
+        if (!scanner.hasNextInt()) {
+            System.out.println("Invalid input. Please enter a valid integer.");
+            scanner.close();
+            return;
+        }
+
+        int number = scanner.nextInt();
+
+        // Check if the number is non-negative
+        if (number < 0) {
+            System.out.println("Factorial is not defined for negative numbers.");
+        } else {
+            // Calculate factorial
+            long factorial = 1; // Use long to handle large results
+            for (int i = 1; i <= number; i++) {
+                factorial *= i;
+            }
+
+            // Display the result
+            System.out.println("The factorial of " + number + " is: " + factorial);
+        }
+
+        // Close the scanner
+        scanner.close();
+    }
+}
+
+confidential file.