\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{c0d3r} \pdfinfo{ /Title (stream-api-functional-interface.pdf) /Creator (Cheatography) /Author (c0d3r) /Subject (Stream API (Functional Interface) 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}{AAC8A7} \definecolor{LightBackground}{HTML}{F4F8F4} \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{Stream API (Functional Interface) Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{c0d3r} via \textcolor{DarkBackground}{\uline{cheatography.com/192130/cs/39950/}}} \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}c0d3r \\ \uline{cheatography.com/c0d3r} \\ \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 22nd August, 2023.\\ 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{3.2 cm} x{4.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Java Functional Interface}} \tn % Row 0 \SetRowColor{LightBackground} Consumer\textless{}T\textgreater{} & {\emph{void}} {\bf{accept}}(T t) \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Function\textless{}T,R\textgreater{} & {\emph{R}} {\bf{apply}}(T t) \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} Supplier\textless{}T\textgreater{} & {\emph{T}} {\bf{get()}} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} UnaryOperator\textless{}T\textgreater{} & {\emph{T}} {\bf{apply}}(T t) \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} Predicate\textless{}T\textgreater{} & {\emph{boolean}} {\bf{test}}(T t) \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 6 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.4 cm} x{5.6 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Boolean Supplier Functional Interface}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{BooleanSupplier} & {\emph{boolean}} {\bf{getAsBoolean}}()\{\{nl\}\} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 3 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.4 cm} x{5.6 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Primitive Functional Interface (integer)}} \tn % Row 0 \SetRowColor{LightBackground} IntConsumer & {\emph{void}} {\bf{accept}}(int value) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} IntFunction\textless{}R\textgreater{} & {\emph{R}} {\bf{apply}}(int value) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} IntSupplier & {\emph{int}} {\bf{getAsInt}}() \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} \seqsplit{IntUnaryOperator} & {\emph{int}} {\bf{applyAsInt}}(int operand) \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} \seqsplit{IntPredicate} & {\emph{boolean}} {\bf{test}}(int value) \tn % Row Count 9 (+ 2) % Row 5 \SetRowColor{white} \seqsplit{IntBinaryOperator} & {\emph{int}} {\bf{applyAsInt}}(int left, int right) \tn % Row Count 11 (+ 2) % Row 6 \SetRowColor{LightBackground} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 12 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.88 cm} x{5.12 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Object \& Primitive Functional Interface}} \tn % Row 0 \SetRowColor{LightBackground} ObjDoubleConsumer\textless{}T\textgreater{} & {\emph{void}} {\bf{accept}}(T t, double value) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} ObjIntConsumer\textless{}T\textgreater{} & {\emph{void}} {\bf{accept}}(T t, int value) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} ObjLongConsumer\textless{}T\textgreater{} & {\emph{void}} {\bf{accept}}(T t, long value) \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 7 (+ 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}{Primitive Functional Interface (double)}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{DoubleConsumer} & {\emph{void}} {\bf{accept}}(double value) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} DoubleFunction\textless{}R\textgreater{} & {\emph{R}} {\bf{apply}}(double value) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{DoubleSupplier} & {\emph{double}} {\bf{getAsDouble}}() \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} \seqsplit{DoubleUnaryOperator} & {\emph{double}} {\bf{applyAsDouble}}(double operand) \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \seqsplit{DoublePredicate} & {\emph{boolean}} {\bf{test}}(double value) \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} \seqsplit{DoubleBinaryOperator} & {\emph{double}} {\bf{applyAsDouble}}(double left, double right) \tn % Row Count 13 (+ 3) % Row 6 \SetRowColor{LightBackground} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 14 (+ 1) \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}{To Primitive Functional Interface}} \tn % Row 0 \SetRowColor{LightBackground} ToDoubleBiFunction\textless{}T,U\textgreater{} & double {\bf{applyAsDouble}}(T t, U u) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} ToDoubleFunction\textless{}T\textgreater{} & double {\bf{applyAsDouble}}(T value) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} ToIntBiFunction\textless{}T,U\textgreater{} & int {\bf{applyAsInt}}(T t, U u) \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} ToIntFunction\textless{}T\textgreater{} & int {\bf{applyAsInt}}(T value) \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} ToLongBiFunction\textless{}T,U\textgreater{} & {\emph{long}} {\bf{applyAsLong}}(T t, U u) \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} ToLongFunction\textless{}T\textgreater{} & {\emph{long}} {\bf{applyAsLong}}(T value) \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 13 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.96 cm} x{5.04 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Java Functional Interface (Bi**)}} \tn % Row 0 \SetRowColor{LightBackground} BiConsumer\textless{}T,U\textgreater{} & {\emph{void}} {\bf{accept}}(T t, U u) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} BinaryOperator\textless{}T\textgreater{} & {\emph{T}} {\bf{apply}}(T t, T u) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} BiFunction\textless{}T,U,R\textgreater{} & {\emph{R}} {\bf{apply}}(T t, U u) \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} BiPredicate\textless{}T,U\textgreater{} & {\emph{boolean}} {\bf{test}}(T t, U u) \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 9 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.88 cm} x{5.12 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Primitive to primate Functional Interface}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{DoubleToIntFunction} & int {\bf{applyAsInt}}(double value) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{DoubleToLongFunction} & {\emph{long}} {\bf{applyAsLong}}(double value) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{IntToDoubleFunction} & double {\bf{applyAsDouble}}(int value) \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} \seqsplit{IntToLongFunction} & {\emph{long}} {\bf{applyAsLong}}(int value) \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \seqsplit{LongToDoubleFunction} & double {\bf{applyAsDouble}}(long value) \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} \seqsplit{LongToIntFunction} & int {\bf{applyAsInt}}(long value) \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 13 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.48 cm} x{5.52 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Primitive Functional Interface (long)}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{LongConsumer} & {\emph{void}} {\bf{accept}}(long value) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} LongFunction\textless{}R\textgreater{} & {\emph{R}} {\bf{apply}}(long value) \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{LongSupplier} & {\emph{long}} {\bf{getAsLong}}() \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} \seqsplit{LongUnaryOperator} & {\emph{long}} {\bf{applyAsLong}}(long operand) \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} \seqsplit{LongPredicate} & {\emph{boolean}} {\bf{test}}(long value) \tn % Row Count 9 (+ 2) % Row 5 \SetRowColor{white} \seqsplit{LongBinaryOperator} & {\emph{long}} {\bf{applyAsLong}}(long left, long right) \tn % Row Count 11 (+ 2) % Row 6 \SetRowColor{LightBackground} & \{\{nl\}\}\{\{nl\}\} \tn % Row Count 12 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}