latex multicolumn cell code example

Example 1: multicolumn latex

%multi-column
\multicolumn{number cols}{align}{text} % align: l,c,r
 
%multi-row
\usepackage{multirow}
 
\multirow{number rows}{width}{text}

Example 2: latex newline in array cell

\begin{tabular}{|l|l|}
\hline
one line & \shortstack{two\\ lines} \\
\hline
XX & YYY \\
\hline
\end{tabular}