L. A. Casqueiro et al.,  "Automated Java challenges' security assessment for training in industry: Preliminary results", in 2nd Int. Computer Programming Education Conf. (ICPEC 2021), Henriques, P. R., Portela, F., Queirós, R., and Simões, A., Ed., Virtual, Braga, Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 2021, vol. 91