\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{EthanBeMe (EthanBeME)}
\pdfinfo{
  /Title (java.pdf)
  /Creator (Cheatography)
  /Author (EthanBeMe (EthanBeME))
  /Subject (Java Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{F8981D}
\definecolor{LightBackground}{HTML}{FEF8F0}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Java Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{EthanBeMe (EthanBeME)} via \textcolor{DarkBackground}{\uline{cheatography.com/39764/cs/12320/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}EthanBeMe (EthanBeME) \\
  \uline{cheatography.com/ethanbeme} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 2nd August, 2017.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{1.064 cm} x{1.064 cm} x{5.472 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Primitive Data Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Type}} & {\bf{Size}} & {\bf{Range/Value}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
byte & 8 bits & -128 .. 127 \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
short & 16 bits & -32,768 .. 32,767 \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
int & 32 bits & -2,147,483,648 .. 2,147,483,647 \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
long & 64 bits & -9,223,372,036,854,775,808 .. 9,223,372,036,854,775,807 \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
float & 32 bits & 3.40282347 x 1038, 1.40239846 x 10-45 \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{double} & 64 bits & 1.7976931348623157 x 10308, 4.9406564584124654 x 10-324 \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\seqsplit{boolean} &  & True/False \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
char &  & Single Characters \tn 
% Row Count 17 (+ 1)
% Row 9
\SetRowColor{white}
\seqsplit{String} &  & A String of Characters \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.96 cm} x{7.04 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Escaped Characters}}  \tn
% Row 0
\SetRowColor{LightBackground}
 & {\bf{Action}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textbackslash{}b & Backspace \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textbackslash{}n & New Line \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\textbackslash{}t & Tab \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textbackslash{}r & Carriage Return \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textbackslash{}f & Form Feed \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\textbackslash{}" & Double Quote \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\textbackslash{}\textbackslash{} & Back Slash \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.08 cm} x{5.92 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Key Words}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Key Word}} & {\bf{Description}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
class & Blueprint for an Object \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{main} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
public & Available to all Classes \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
private & Available to this Class only \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
protected & Available to this Package only \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{static} \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
void & Does not return any values \tn 
% Row Count 10 (+ 1)
% Row 8
\SetRowColor{LightBackground}
final & Always remains the same (constant) \tn 
% Row Count 12 (+ 2)
% Row 9
\SetRowColor{white}
new & Creates a new object \tn 
% Row Count 13 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{this} \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.68 cm} x{4.32 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Arithmetic Operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Operator}} & {\bf{Action}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
+= & Add \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
-= & Subtract \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
*= & Multiply \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
/= & Divide \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\%= & Remainder \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
++ & Increment by 1 \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
-{}- & Decrement by 1 \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.64 cm} x{5.36 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Equality and Relational Operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Operator}} & {\bf{Action}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textgreater{} & Greater Than \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textless{} & Less Than \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
== & Equal To \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
!= & NOT Equal To \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textgreater{}= & Greater Than or Equal To \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\textless{}= & Less Than or Equal To \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.84 cm} x{6.16 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Conditional Operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Operator}} & {\bf{Action}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\&\& & Returns true if boolean value on the right and left are both true \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
|| & Returns true if either boolean value on the right or left are true \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
! & Converts the boolean value to its right to its opposite \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\textasciicircum{} & Returns true if there is 1 true and 1 false boolean value on the right or left \tn 
% Row Count 13 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}