在包含标签环境的图形周围创建一个框

begin{figure}
begin{tabbing}
texttt{void method(I, T, E)} { \
  texttt{some code}<emph{some pseudo code}>();\
...
end{tabbing}
caption{The caption for the figure}
end{figure}

mdframed

documentclass{article}
usepackage{xcolor}
usepackage{mdframed}

mdfdefinestyle{mystyle}{
    backgroundcolor=yellow!20
}

begin{document}
begin{figure}
begin{mdframed}[style=mystyle]
begin{tabbing}
texttt{void method(I, T, E)} { \
  texttt{some code}<emph{some pseudo code}>();\
...
end{tabbing}
caption{The caption for the figure}
end{mdframed}
end{figure}
end{document}