From be3989b697c312fcb74c0061b70abe916dced8c6 Mon Sep 17 00:00:00 2001
From: zhangsiyuan <3837703520@qq.com>
Date: Sat, 7 Mar 2026 18:23:07 +0800
Subject: [PATCH] feat(w1): add HelloWorld.java

---
 w1/HelloWorld.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/w1/HelloWorld.java b/w1/HelloWorld.java
index e69de29..66b918c 100644
--- a/w1/HelloWorld.java
+++ b/w1/HelloWorld.java
@@ -0,0 +1,5 @@
+public class HelloWorld {
+	public static void main(String arg[]) {
+		System.out.println("Hello,world!");
+	}
+}
\ No newline at end of file