How to make Box with outer row count?

Question

can someone tell me how to make the following picture in Latex?
Especially the box and the outer row count?
Thanks!

campa · Accepted Answer

The documentation of the listing package contains many examples. A starting point:
documentclass{article}

usepackage[scaled]{beramono}
usepackage[T1]{fontenc}
usepackage{listings}

lstset{frame=single,numbers=left,language=java,basicstyle=ttfamily,captionpos=b}

begin{document}

begin{lstlisting}[caption={Attribute der Klasse texttt{BankAccount}}]
class BankAccount {
    String name;
    Hamster hamster;
    Integer grainNumber;
    Integer maximumOverdraft;
    
    [...]
}
end{lstlisting}

end{document}

egreg · Answer

Here's a minted+tcolorbox approach. Peruse their documentation to change the aspect. Remember to run pdflatex (or any other engine) with the -shell-escape option. You also need pygmentize on your system (it's a Python add-on).
documentclass{article}
usepackage[many]{tcolorbox}
tcbuselibrary{minted}

NewTCBListing{java}{O{}}
 {
  left=2pt,
  minted language=java,
  minted options={linenos,#1},
  listing only,
 }

begin{document}

begin{listing}[htp]

begin{java}
class BankAccount {
    String name;
    Hamster hamster;
    Integer grainNumber;
    Integer maximumOverdraft;
    
    [...]
end{java}

caption{Attribute der Klasse texttt{BankAccount}label{bankaccount}}

end{listing}

end{document}

The environment has an optional argument to set, if needed, further minted options.
If you're running a version of LaTeX prior to the 2020-10-01 release, you also need
usepackage{xparse}

How to make Box with outer row count?

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