File list (Check if you may need any files):
ArbolB\build\classes\arbolb\Aas.class
......\.....\.......\......\Aas.rs
......\.....\.......\......\Bnodo.class
......\.....\.......\......\Btree.class
......\.....\.......\......\ListaSimpleB.class
......\.....\.......\......\ListaSimpleEst.class
......\.....\.......\......\ListaSimpleEst.rs
......\.....\.......\......\NodoPr.class
......\.....\.......\......\NodosLista.class
......\.....\.......\......\NodosListaEst.class
......\.....\.......\......\NodosListaEstCursos.class
......\.....\.......\arbolb
......\.....\classes
......\build
......\build.xml
......\manifest.mf
......\nbproject\build-impl.xml
......\.........\genfiles.properties
......\.........\private\private.properties
......\.........\.......\private.xml
......\.........\private
......\.........\project.properties
......\.........\project.xml
......\nbproject
......\src\arbolb\Aas.java
......\...\......\ListaSimpleEst.java
......\...\arbolb
......\src
......\test
ArbolB
......\src\arbolb\Bnodo.java
......\...\......\Btree.java
......\...\......\ListaSimpleB.java
......\...\......\NodoPr.java
......\...\......\NodosLista.java
......\...\......\NodosListaEst.java
......\...\......\NodosListaEstCursos.java
......\Carpeta nueva