Update build_jar_netbeans.md

build_jar_netbeans.md

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+## Build applicazioni Java
+
+
+Istruzioni da inserire nel `build.xml` dentro il progetto. Commentare le cose che non servono. Le istruzioni creano il `jar` incluse le librerie, crea la javadoc e zippa tutto
+```xml
+<target name="-post-jar">
+        <!--<property name="variabile_nuova" value="valore_variabile"/>-->
+        
+        <jar destfile="${dist.jar}"
+             update="true">
+            <restrict> 
+                <archives>
+                   <zips>
+                       <fileset dir="${dist.dir}" includes="lib/*.jar"/>
+                   </zips>
+                </archives>
+            </restrict>
+        </jar>
+        
+        <javadoc sourcepath="src" 
+             destdir = "${dist.javadoc.dir}" version = "true" windowtitle = "${application.title}" classpath="lib/*"/>
+        
+        <jar destfile="${dist.dir}/${application.title}-javadoc.jar" basedir="${dist.javadoc.dir}"
+             update="true">
+            <include name="**/*" />
+        </jar>
+        
+        <delete dir="${dist.javadoc.dir}"/>
+        
+        <zip destfile="${dist.dir}/${application.title}.zip"> 
+            <fileset dir="${dist.dir}" excludes="META-INF/*.SF, META-INF/*.DSA, META-INF/*.RSA"/> 
+        </zip>
+</target>
+```