\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{Kaji}
\pdfinfo{
  /Title (java-fundamentals.pdf)
  /Creator (Cheatography)
  /Author (Kaji)
  /Subject (Java Fundamentals Cheat Sheet)
}

% Lengths and widths
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\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
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\definecolor{FootBackground}{HTML}{666666}
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\definecolor{LightBackground}{HTML}{F0F7F9}
\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 Fundamentals Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Kaji} via \textcolor{DarkBackground}{\uline{cheatography.com/63960/cs/19379/}}}
\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}Kaji \\
  \uline{cheatography.com/kaji} \\
  \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 25th April, 2019.\\
   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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Datatypes}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{public class Opdracht1 \{ \newline     public static void main(String {[}{]} args) \{ \newline         long a = 196587543L; \newline         float b = 1.0065f; \newline         boolean c = false; \newline         boolean e = false; \newline         double d = 0.0d; \newline         double f  = 0.0d; \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{For-loop}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{public class Opdracht3 \{ \newline     public static void main(String{[}{]} args) \{ \newline         for (int i = 1; i \textless{}= 20; i++) \{ \newline             System.out.println(i); \newline         \} \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{While-loop}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{public class Opdracht4 \{ \newline     public static void main(String{[}{]} args) \{ \newline         int i = 0; \newline         while (i \textless{}= 20) \{ \newline             System.out.println(i); \newline             i++; \newline         \} \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Ternary}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{public class Opdracht6 \{ \newline     public static void main(String{[}{]} args) \{ \newline         for (int x = 0; x \textless{}= 20; x++) \{ \newline             String result = (x \% 3) == 0 ? "het getal is deelbaar door 3!" : ""; \newline             System.out.println(x + " " + result); \newline         \} \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{String omzetten naar...}}  \tn
% Row 0
\SetRowColor{LightBackground}
String -\textgreater{} integer & `Integer.parseInt(str)` \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Integer -\textgreater{} String & `String.valueOf(var)` \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
String -\textgreater{} Double & \seqsplit{`Double.parseDouble(str)`} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Double -\textgreater{} String & `String.valueOf(dnum)` \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{String methoden}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{str1==str2 //compares address; \newline String newStr = str1.equals(str2); //compares the values \newline String newStr = str1.equalsIgnoreCase() //compares the values ignoring the case \newline newStr = str1.length() //calculates length \newline newStr = str1.charAt(i) //extract i'th character \newline newStr = str1.toUpperCase() //returns string in ALL CAPS \newline newStr = str1.toLowerCase() //returns string in ALL LOWERCASE \newline newStr = str1.replace(oldVal, newVal) //search and replace \newline newStr = str1.trim() //trims surrounding whitespace \newline newStr = str1.contains("value"); //check for the values \newline newStr = str1.toCharArray(); // convert String to character type array \newline newStr = str1.IsEmpty(); //Check for empty String \newline newStr = str1.endsWith(); //Checks if string ends with the given suffix} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Input gebruiker}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{import java.util.Scanner; \newline  \newline public class Opdracht2 \{ \newline  \newline     public static void main(String{[}{]} args) \{ \newline         Scanner input = new Scanner(System.in); \newline         String invoer = input.next(); \newline         System.out.println("Je hebt de volgende input gegeven:  " + invoer); \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`naam.nextInt() -\textgreater{} Integer invoer` \newline `naam.nextDouble() -\textgreater{} Double invoer` \newline `naam.next() -\textgreater{} String invoer, zonder spaties` \newline `naam.nextLine() -\textgreater{} Alles voor de 'enter'`}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Getal deelbaar door (3)}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{public class Opdracht5 \{ \newline     public static void main(String{[}{]} args) \{ \newline         for (int x = 1; x \textless{}= 10; x++) \{ \newline             if ((x \% 3) == 0) \{ \newline                 System.out.println(x+ " " + "het getal is deelbaar door 3!" ); \newline             \} else \{ \newline                 System.out.println(x); \newline             \} \newline         \} \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Boolean String}}  \tn
% Row 0
\SetRowColor{LightBackground}
equals & naam.equals(" ") \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{equalsignoreCase} & naam.equalsIgnoreCase(" ") \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
startWith & naam.startsWith(" ") \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
endsWith & naam.endsWith(" ") \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
contains & naam.contains(" ") \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Spaties aan eind van string weghalen}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{int len = str.length(); \newline     for( ; len \textgreater{} 0; len-{}-) \newline     \{ \newline       if( ! Character.isWhitespace( str.charAt( len - 1))) \newline          break; \newline     \} \newline     return str.substring( 0, len);} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}