File list (Check if you may need any files):
id3app - copia - copia\applet.policy
......................\build\built-jar.properties
......................\.....\classes\javaapplication3\Arbol$1.class
......................\.....\.......\................\Arbol$2.class
......................\.....\.......\................\Arbol$3.class
......................\.....\.......\................\Arbol$4.class
......................\.....\.......\................\Arbol$5.class
......................\.....\.......\................\Arbol.class
......................\.....\.......\................\Attribute.class
......................\.....\.......\................\Conexion.class
......................\.....\.......\................\Database.class
......................\.....\.......\................\DecisionTree.class
......................\.....\.......\................\DtNode.class
......................\.....\.......\................\Entropia.class
......................\.....\.......\................\Function3.class
......................\.....\.......\................\Main$1.class
......................\.....\.......\................\Main.class
......................\.....\.......\................\NumAtt.class
......................\.....\.......\................\Obj.class
......................\.....\.......\................\ObjectSet.class
......................\.....\.......\................\SymbAtt.class
......................\build.xml
......................\dist\ideapp.jar
......................\....\lib\mysql-connector-java-5.1.17-bin.jar
......................\....\README.TXT
......................\hs_err_pid5700.log
......................\manifest.mf
......................\mysql-connector-java-5.1.17-bin.jar
......................\nbproject\build-impl.xml
......................\.........\genfiles.properties
......................\.........\private\config.properties
......................\.........\.......\private.properties
......................\.........\.......\private.xml
......................\.........\project.properties
......................\.........\project.xml
......................\src\javaapplication3\Arbol.form
......................\...\................\Arbol.java
......................\...\................\Attribute.java
......................\...\................\Conexion.java
......................\...\................\Database.java
......................\...\................\DecisionTree.java
......................\...\................\DtNode.java
......................\...\................\Entropia.java
......................\...\................\Function3.java
......................\...\................\Main.java
......................\...\................\NumAtt.java
......................\...\................\Obj.java
......................\...\................\ObjectSet.java
......................\...\................\SymbAtt.java
......................\tennis.db
......................\build\classes\javaapplication3
......................\.....\generated-sources\ap-source-output
......................\.....\classes
......................\.....\empty
......................\.....\generated-sources
......................\dist\lib
......................\nbproject\private
......................\src\javaapplication3
......................\build
......................\dist
......................\nbproject
......................\src
id3app - copia - copia