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\section*{Exercise \thechapter .1}
Make the text \enquote{March 2021} of the file
\file{exercises/footnotes/footnotes.tex} appear as a footnote instead of in
parentheses. Additionally, insert a clickable URL to the Java Development Kit
as footnote.
\texttt{https://www.oracle.com/java/technologies/javase-downloads.html}
\exercisematerial{exercises/footnotes/footnotes}
\section*{Exercise \thechapter .2}
In file \file{exercises/references/references.tex}, replace \enquote{in the
figure} and \enquote{the following source code listing} with suited references.
Use the command \code{latex}{\textbackslash cref}. Do not forget to first
introduce labels for the elements that you want to reference. To do so, first
of all, wrap the source code listing in a \code{latex}{listing} environment.
Also, insert a caption for the source code listing.
Make sure to use suitable prefixes before the labels.
\exercisematerial{exercises/references/references}