\small
\begin{center}
\begin{tabular}{|l|r|r|r|}
\hline
\multicolumn{1}{|c|}{name} &
\multicolumn{1}{|c|}{just foo} &
\multicolumn{1}{|c|}{just bar} &
\multicolumn{1}{|c|}{foo and bar}
\\\hline\hline
test1 & 1 & 1 & 2 \\\hline
test2 & 2.3 & 5 & 25 \\\hline
test3 & 3 & 2 & 8 \\\hline
\end{tabular}
\end{center}