To output screen caps, you'll need

*  Highlight ( http://www.andre-simon.de/doku/highlight/en/highlight.html )
*  ImageMagick ()

 Also see http://www.libpng.org/pub/png/pngapcv.html
 highlight -L --batch-recursive=*.java -O ../target/highlighted -S java

Alter the highlight style
--- highlight.sty	2012-03-04 15:25:40.000000000 -0500
+++ ../highlight.sty	2012-03-04 15:21:36.000000000 -0500
@@ -17,10 +17,13 @@
 \newcommand{\hlkwc}[1]{\textcolor[rgb]{0,0,0}{\bf{#1}}}
 \newcommand{\hlkwd}[1]{\textcolor[rgb]{0,0,0.51}{#1}}
 \definecolor{bgcolor}{rgb}{1,1,1}
+\usepackage{geometry}
 \oddsidemargin -3mm
-\textwidth 165,2truemm
 \topmargin 0truept
 \headheight 0truept
 \headsep 0truept
-\textheight 230truemm
+\textheight 98in
+\textwidth 13.5in
+\paperwidth 15in
+\paperheight 100in
+\usepackage{helvet}
  

Add to each tex:
\begin{document}\pagestyle{empty}

then you will get a pdf with: 
pdflatex ExceptionGochasTest.java.tex