testdocument.tex

\documentclass[12pt]{article}
\usepackage[english]{babel}
\usepackage[utf8x]{inputenc}
\usepackage{fullpage}

\usepackage{listings}
\usepackage{color}

\title{Syntax Highlighting in LaTeX with the listings Package test}
\author{writeLaTeX}

\input{hlcolors.tex}

\begin{document}
	
	\maketitle
	
	\section{Java}
	\begin{lstlisting}[language=java]
		class HelloWorldApp {
			public static void main(String[] args) {
				System.out.println("Hello World!"); // Display the string.
				for (int i = 0; i < 100; ++i) {
					System.out.println(i);
				}
			}
		}
	\end{lstlisting}
	
	\section{Python}
	% from http://wiki.scipy.org/Numpy_Example_List
	\begin{lstlisting}[language=python]
		>>> from numpy import *
		>>> from numpy.fft import *
		>>> signal = array([-2., 8., -6., 4., 1., 0., 3., 5.])
		>>> fourier = fft(signal)
		>>> N = len(signal)
		>>> timestep = 0.1 # if unit=day -> freq unit=cycles/day
		>>> freq = fftfreq(N, d=timestep) # freqs corresponding to 'fourier'
		>>> freq
		array([ 0. , 1.25, 2.5 , 3.75, -5. , -3.75, -2.5 , -1.25])
		>>> fftshift(freq) # freqs in ascending order
		array([-5. , -3.75, -2.5 , -1.25, 0. , 1.25, 2.5 , 3.75])
	\end{lstlisting}
	
	\section{MATLAB/Octave}
	% from http://wiki.scipy.org/Numpy_Example_List
	\begin{lstlisting}[language=octave]
		octave:1> function xdot = f (x, t)
		>
		>  r = 0.25; k = 1.4;
		>  a = 1.5; b = 0.16; c = 0.9; d = 0.8;
		>
		>  xdot(1) = r*x(1)*(1 - x(1)/k) - a*x(1)*x(2)/(1 + b*x(1));
		>  xdot(2) = c*a*x(1)*x(2)/(1 + b*x(1)) - d*x(2);
		>
		> endfunction
	\end{lstlisting}
	
\end{document}