diff --git a/ch02/Date.java b/ch02/Date.java
new file mode 100644
index 0000000..dc8e72e
--- /dev/null
+++ b/ch02/Date.java
@@ -0,0 +1,5 @@
+public class Hello {
+  public static void main(String[] args) {
+    System.out.println("Hello, world.");
+  }
+}