Update build.xml

Author: Nipuna-Lakruwan

build.xml

@@ -0,0 +1,16 @@
+<project name="JavaProject" default="compile" basedir=".">
+    <property name="src.dir" value="src"/>
+    <property name="build.dir" value="build"/>
+    
+    <target name="init">
+        <mkdir dir="${build.dir}"/>
+    </target>
+    
+    <target name="compile" depends="init">
+        <javac srcdir="${src.dir}" destdir="${build.dir}"/>
+    </target>
+    
+    <target name="clean">
+        <delete dir="${build.dir}"/>
+    </target>
+</project>