\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{Aramdana} \pdfinfo{ /Title (java-ap-comp-sci.pdf) /Creator (Cheatography) /Author (Aramdana) /Subject (Java - AP Comp Sci 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}{7F1CA3} \definecolor{LightBackground}{HTML}{F7F0F9} \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 - AP Comp Sci Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Aramdana} via \textcolor{DarkBackground}{\uline{cheatography.com/122140/cs/22590/}}} \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}Aramdana \\ \uline{cheatography.com/aramdana} \\ \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 13th May, 2020.\\ 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*}{3} \begin{tabularx}{5.377cm}{p{0.68655 cm} x{2.47158 cm} x{1.41887 cm} } \SetRowColor{DarkBackground} \mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Variables}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Type}} & {\bf{Description}} & {\bf{Example Value}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} byte & 8 bits & 0 \tn % Row Count 3 (+ 1) % Row 2 \SetRowColor{LightBackground} int & Integer & 0 \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} \seqsplit{double} & Integers w/ decimals & 0.00 \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} \seqsplit{boolean} & Boolean value (True or False) & False \tn % Row Count 7 (+ 2) % Row 5 \SetRowColor{white} char & Single character & 'a' \tn % Row Count 8 (+ 1) % Row 6 \SetRowColor{LightBackground} \seqsplit{String} & One or more characters & "a1:\&b!" \tn % Row Count 10 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}---} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Instantiating}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Primitives}} \newline % Row Count 1 (+ 1) int myInt = 12; \newline % Row Count 2 (+ 1) double myDouble = 2.11; \newline % Row Count 3 (+ 1) char myChar = 'c'; \newline % Row Count 4 (+ 1) {\bf{Strings}} \newline % Row Count 5 (+ 1) String myString = "hello"; \newline % Row Count 6 (+ 1) {\bf{Classes}} \newline % Row Count 7 (+ 1) MyClass classOne = new MyClass(parameters); \newline % Row Count 8 (+ 1) MyClass classTwo = new MyClass();% Row Count 9 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Getters \& Setters}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Getter}} \newline % Row Count 1 (+ 1) public int getMyInt() \newline % Row Count 2 (+ 1) \{ \newline % Row Count 3 (+ 1) ~~~~return myInt; \newline % Row Count 4 (+ 1) \} \newline % Row Count 5 (+ 1) {\bf{Setter}} \newline % Row Count 6 (+ 1) public void setMyInt(int newInt) \newline % Row Count 7 (+ 1) \{ \newline % Row Count 8 (+ 1) ~~~~myInt = newInt; \newline % Row Count 9 (+ 1) \}% Row Count 10 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{0.89586 cm} x{4.08114 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Size and Length}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{.length()} & Returns the number of characters in a String object \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{.length()} & Returns the number of elements in a Array \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{.size()} & Returns the number of elements in a ArrayList \tn % Row Count 6 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Operators}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Operator}} & {\bf{Description}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} + & addition of numbers, concentration of Strings \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} - & subtraction \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} * & multiplication \tn % Row Count 6 (+ 1) % Row 4 \SetRowColor{LightBackground} / & division \tn % Row Count 7 (+ 1) % Row 5 \SetRowColor{white} \% & modulus; find remainder \tn % Row Count 8 (+ 1) % Row 6 \SetRowColor{LightBackground} += & add and assign numbers, conventrate and assign Strings \tn % Row Count 10 (+ 2) % Row 7 \SetRowColor{white} -= & subtract and assign \tn % Row Count 11 (+ 1) % Row 8 \SetRowColor{LightBackground} *= & multiply and assign \tn % Row Count 12 (+ 1) % Row 9 \SetRowColor{white} /= & divide and assign \tn % Row Count 13 (+ 1) % Row 10 \SetRowColor{LightBackground} \%= & modulus and assign \tn % Row Count 14 (+ 1) % Row 11 \SetRowColor{white} ++ & add one \tn % Row Count 15 (+ 1) % Row 12 \SetRowColor{LightBackground} -{}- & subtract one \tn % Row Count 16 (+ 1) % Row 13 \SetRowColor{white} \textgreater{} & greater than \tn % Row Count 17 (+ 1) % Row 14 \SetRowColor{LightBackground} \textless{} & less than \tn % Row Count 18 (+ 1) % Row 15 \SetRowColor{white} \textgreater{}= & greater than or equal to \tn % Row Count 19 (+ 1) % Row 16 \SetRowColor{LightBackground} \textless{}= & less than or equal to \tn % Row Count 20 (+ 1) % Row 17 \SetRowColor{white} ! & not \tn % Row Count 21 (+ 1) % Row 18 \SetRowColor{LightBackground} != & not equal to \tn % Row Count 22 (+ 1) % Row 19 \SetRowColor{white} \&\& & and \tn % Row Count 23 (+ 1) % Row 20 \SetRowColor{LightBackground} || & or \tn % Row Count 24 (+ 1) % Row 21 \SetRowColor{white} == & comparison \tn % Row Count 25 (+ 1) % Row 22 \SetRowColor{LightBackground} = & assign \tn % Row Count 26 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Loops}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{for (int i = 0; i \textless{} x; i++) \{ \}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{for (int i : someArray) \{ \}} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{while (something is true) \{ \}} \tn % Row Count 3 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Classes}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{public class MyClass \newline % Row Count 1 (+ 1) \{ \newline % Row Count 2 (+ 1) ~~~~private int myInt; \newline % Row Count 3 (+ 1) ~~~~private String myString; \newline % Row Count 4 (+ 1) ~~~~public MyClass() \newline % Row Count 5 (+ 1) ~~~~\{ \newline % Row Count 6 (+ 1) ~~~~~~~~myInt = 0; \newline % Row Count 8 (+ 2) ~~~~~~~~myString = "hello world"; \newline % Row Count 10 (+ 2) ~~~~\} \newline % Row Count 11 (+ 1) ~~~~public MyClass(int i, String s) \newline % Row Count 13 (+ 2) ~~~~\{ \newline % Row Count 14 (+ 1) ~~~~~~~~myInt = i; \newline % Row Count 16 (+ 2) ~~~~~~~~myString = s; \newline % Row Count 18 (+ 2) ~~~~\} \newline % Row Count 19 (+ 1) \}% Row Count 20 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Arrays}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{int{[}{]} myArrayTwo = \{1, 2\}; \newline % Row Count 1 (+ 1) {\bf{-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- or -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-}} \newline % Row Count 3 (+ 2) int{[}{]} myArray = new int{[}2{]}; \newline % Row Count 4 (+ 1) myArray{[}0{]} = 1; \newline % Row Count 5 (+ 1) myArray{[}1{]} = 2;% Row Count 6 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{ArrayList}} \tn % Row 0 \SetRowColor{LightBackground} .add(obj) & Appends obj to end of list \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} .add(index, obj) & Inserts obj at position index, moving elements at position index and higher to the right \tn % Row Count 5 (+ 4) % Row 2 \SetRowColor{LightBackground} \seqsplit{.set(index)} & Replaces the element at position index with obj; returns the element formerly at position index \tn % Row Count 9 (+ 4) % Row 3 \SetRowColor{white} \seqsplit{.get(index)} & Returns the element at position index in the list \tn % Row Count 11 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{ArrayList}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{.add(obj)~~~~~~~~~~~~~~~Appends obj to end of list.}} \newline % Row Count 3 (+ 3) .add(index, obj)~~~~~Inserts obj at position index, moving \seqsplit{~~~~~~~~~~~~~~~~~~~~~~~~~~~~~elements} at position index and higher \seqsplit{~~~~~~~~~~~~~~~~~~~~~~~~~~~~~to} the right. \newline % Row Count 13 (+ 10) {\bf{.set(index, obj)~~~~~Replaces the element at position \seqsplit{~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~index} with obj.}} \newline % Row Count 19 (+ 6) \seqsplit{.get(index)~~~~~~~~~~~~Returns} the element at position index \seqsplit{~~~~~~~~~~~~~~~~~~~~~~~~~~~~~in} the list. \newline % Row Count 26 (+ 7) {\bf{.remove(index)}}~~~~~{\bf{Removes element from position }} \newline % Row Count 28 (+ 2) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{index, moving elements at position}} \newline % Row Count 33 (+ 5) } \tn \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{ArrayList (cont)}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{index + 1 and higher to the left and}} \newline % Row Count 5 (+ 5) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{subtracts 1 from size.}}% Row Count 9 (+ 4) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}