Determine the spectral radius of the following matrices
$$\left( \begin{array} { l l }
0 & 0 \\
0 & 1
\end{array} \right) , \quad \left( \begin{array} { l l }
0 & 0 \\
1 & 0
\end{array} \right) , \quad \left( \begin{array} { l l }
1 & 0 \\
0 & 0
\end{array} \right) , \quad \left( \begin{array} { c c }
0 & - 1 \\
2 & 0
\end{array} \right) , \quad \left( \begin{array} { l l }
3 & 2 \\
1 & 2
\end{array} \right)$$