how to create table using latex code example

Example 1: latex tabular

\begin{tabular}{ l | c | r }
  \hline			
  1 & 2 & 3 \\
  4 & 5 & 6 \\
  7 & 8 & 9 \\
  \hline  
\end{tabular}

Example 2: \begin{tabular}[t]{@{}l}

\begin{tabular}[t]{@{}l}