init

HelloWorld/Hello.java

@@ -0,0 +1,5 @@
+public class Hello {
+    public void greet(String name) {
+        System.out.println("Hello, " + name + "!");
+    }
+}

HelloWorld/HelloWorld.java

@@ -0,0 +1,11 @@
+
+
+public class HelloWorld {
+    public static void main(String[] args) {
+        System.out.println("Hello, World!");
+
+        Hello hello = new Hello();
+        hello.greet("Alice");
+
+    }
+}