diff --git a/w1/HelloWorld.java b/w1/HelloWorld.java
new file mode 100644
index 0000000..c9dddd8
--- /dev/null
+++ b/w1/HelloWorld.java
@@ -0,0 +1,6 @@
+public class HelloWorld {
+    public static void main(String[] args) {
+        // 核心打印语句
+        System.out.println("Hello, World!");
+    }
+}
\ No newline at end of file