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Lewis, J., Loftus, W. and Smith, A. (2018) Java software solutions: foundations of program design. Ninth edition, global edition. Harlow, Essex: Pearson Education Limited. Available at: https://ebookcentral.proquest.com/lib/uea/detail.action?docID=5573666.
Simmons, R. (no date) Hardcore Java. 1st ed. Sebastopol, CA: O’Reilly. Available at: https://learning.oreilly.com/library/view/hardcore-java/0596005687/?ar=.
