From 933cdd1780fef88ae4b12d313a462ab48af68d7c Mon Sep 17 00:00:00 2001
From: Kamal Wickramanayake <kamal@inbox.lk>
Date: Mon, 9 Feb 2026 20:02:34 +0530
Subject: Added comments to Java classes showing how to run the programs.

---
 java/04-factorial/Factorial.java | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'java/04-factorial')

diff --git a/java/04-factorial/Factorial.java b/java/04-factorial/Factorial.java
index 0b2e650..f81c54a 100644
--- a/java/04-factorial/Factorial.java
+++ b/java/04-factorial/Factorial.java
@@ -1,3 +1,7 @@
+/*
+* Run this as:
+*    java Factorial
+*/
 public class Factorial {
     public static void main(String[] args) {
         int x = factorial(5);
@@ -11,6 +15,9 @@ public class Factorial {
         System.out.println(factorial(3));
     }
 
+    /*
+    * Here is a subroutine defined. In Java, we call it a method.
+    */
     public static int factorial(int x) {
         if (x == 0) {
             return 1;
-- 
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