diff --git a/README.md b/README.md
index 36ac2c6..ff1c82e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
-# tmp.java-ant
+# Hello Java project
+
+took a look at https://ant.apache.org/manual/tutorial-HelloWorldWithAnt.html
 
diff --git a/build.xml b/build.xml
new file mode 100644
index 0000000..ee3ab90
--- /dev/null
+++ b/build.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0"?>
+<project>
+
+  <property name="src.dir" value="src"/>
+  <property name="build.dir" value="build"/>
+  <property name="jar.dir" value="${build.dir}/jar"/>
+  <property name="classes.dir" value="${build.dir}/classes"/>
+
+  <property name="main-class" value="hbb.HelloWorld"/>
+
+  <target name="clean">
+    <delete dir="${build.dir}"/>
+  </target>
+
+  <target name="compile">
+    <mkdir dir="${classes.dir}"/>
+    <javac srcdir="src" destdir="${classes.dir}"/>
+  </target>
+
+  <target name="jar" depends="compile">
+    <mkdir dir="${jar.dir}"/>
+    <jar destfile="${jar.dir}/HelloWorld.jar" basedir="${classes.dir}">
+      <manifest>
+        <attribute name="Main-Class" value="${main-class}"/>
+      </manifest>
+    </jar>
+  </target>
+
+  <target name="run" depends="jar">
+    <java jar="${jar.dir}/HelloWorld.jar" fork="true"/>
+  </target>
+
+  <target name="clean-build" depends="clean,jar"/>
+
+  <target name="main" depends="clean,run"/>
+
+</project>
+<!-- vim:set sts=2 sw=2 et: -->
diff --git a/src/hbb/HelloWorld.java b/src/hbb/HelloWorld.java
new file mode 100644
index 0000000..616f27e
--- /dev/null
+++ b/src/hbb/HelloWorld.java
@@ -0,0 +1,7 @@
+package hbb;
+
+public class HelloWorld {
+    public static void main(String[] args) {
+        System.out.println("Hello World");
+    }
+}