\documentclass[10pt,a4paper]{article}

% Packages
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\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
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\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
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\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{Paul02468}
\pdfinfo{
  /Title (sintaxis-basica-de-java.pdf)
  /Creator (Cheatography)
  /Author (Paul02468)
  /Subject (Sintáxis Básica de Java Cheat Sheet)
}

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% This two commands together give roughly
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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% 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{Sintáxis Básica de Java Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Paul02468} via \textcolor{DarkBackground}{\uline{cheatography.com/211300/cs/45750/}}}
\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}Paul02468 \\
  \uline{cheatography.com/paul02468} \\
  \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 24th February, 2025.\\
   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{1.8 cm} x{1.8 cm} x{2.016 cm} x{1.584 cm} }
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\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Tipos de Datos}}  \tn
% Row 0
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{\bf{Dato}} & {\bf{Bytes}} & {\bf{Tipo}} & Ejemplo \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`byte` & 1 & entero & `24` \tn 
% Row Count 2 (+ 1)
% Row 2
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`short` & 2 & entero & `32` \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
`int` & 4 & entero & `105` \tn 
% Row Count 4 (+ 1)
% Row 4
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`long` & 8 & entero & \seqsplit{`102459`} \tn 
% Row Count 5 (+ 1)
% Row 5
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`float` & 4 & decimal & `12.5f` \tn 
% Row Count 6 (+ 1)
% Row 6
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`double` & 8 & decimal & `17.84` \tn 
% Row Count 7 (+ 1)
% Row 7
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`char` & 2 & caracter & `'A'` \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
`boolean` & 1 & true/false & `true` \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
`String` & dinámico & cadena & \seqsplit{`"Hola"`} \tn 
% Row Count 10 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.368 cm} x{0.912 cm} x{5.32 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Conversión de Datos}}  \tn
% Row 0
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{\bf{De}} & {\bf{A}} & {\bf{Código}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
String & int & `int i = Integer.parseInt(str);` \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
String & float & `float f = Float.parseFloat(str);` \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
String & \seqsplit{double} & `double d = \seqsplit{Double.parseDouble(str);`} \tn 
% Row Count 8 (+ 2)
% Row 4
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\seqsplit{Cualquiera} & \seqsplit{String} & `String s = String.valueOf();` \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{Número} & \seqsplit{Número} & `({\emph{nuevoTipo}}) var = ({\emph{nuevoTipo}}) {\emph{valor}};` \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
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\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}{Métodos ArrayList}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Uso: \seqsplit{`arrayList.método(parámetros)`}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{`add(elem)`} & añadir elemento \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`get(n)` & obtener {\emph{n}}-ésimo elemento \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
`size()` & obtener el tamaño de la lista \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{`remove(n)`} & eliminar el {\emph{n}}-ésimo \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
`set(n, elem)` & establecer el {\emph{n}}-ésimo elemento a {\emph{elem}} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

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% Row 0
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% Row Count 1 (+ 1)
% Row 1
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`put(clave, elem)` & añade {\emph{elem}} con la clave {\emph{clave}} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`get(clave)` & obtener el elemento con {\emph{clave}} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{`containsKey(clave)`} & true si contiene {\emph{clave}}; false si no \tn 
% Row Count 7 (+ 2)
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Programa de Ejemplo}}  \tn
% Row 0
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\mymulticolumn{1}{x{8.4cm}}{`public class HelloWorld \{`} \tn 
% Row Count 1 (+ 1)
% Row 1
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% Row Count 2 (+ 1)
% Row 2
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% Row Count 3 (+ 1)
% Row 3
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% Row Count 4 (+ 1)
% Row 4
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% Row Count 5 (+ 1)
% Row 5
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% Row Count 5 (+ 0)
% Row 6
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\mymulticolumn{1}{x{8.4cm}}{Guardar como `HelloWorld.java`} \tn 
% Row Count 6 (+ 1)
% Row 7
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\mymulticolumn{1}{x{8.4cm}}{Compilar: `javac HelloWorld.java`} \tn 
% Row Count 7 (+ 1)
% Row 8
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\mymulticolumn{1}{x{8.4cm}}{Ejecutar: `java HelloWorld`} \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.512 cm} x{1.872 cm} x{1.512 cm} x{2.304 cm} }
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\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Operadores}}  \tn
% Row 0
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`x + y` & Suma & `x \textgreater{} y` & Mayor \tn 
% Row Count 1 (+ 1)
% Row 1
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`x - y` & Resta & `x \textless{} y` & Menor \tn 
% Row Count 2 (+ 1)
% Row 2
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`x * y` & \seqsplit{Multiplic.} & `x \textgreater{}= y` & Mayor o igual \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
`x / y` & División & `x \textless{}= y` & Menor o igual \tn 
% Row Count 6 (+ 2)
% Row 4
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`x \% y` & Módulo & `x == y` & Igual \tn 
% Row Count 7 (+ 1)
% Row 5
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`x++` & Increm. & `x != y` & Diferente \tn 
% Row Count 8 (+ 1)
% Row 6
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`x-{}-` & Decrem. & `!x` & No \tn 
% Row Count 9 (+ 1)
% Row 7
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`x || y` & Ó & `x \&\& y` & Y \tn 
% Row Count 10 (+ 1)
\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}{Declaraciones}}  \tn
% Row 0
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Clase}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`{[}public{]} {[}abstract{]} {[}final{]} class Nombre {[}extends Padre{]} \{{[}atributos{]} {[}métodos{]}\}`} \tn 
% Row Count 3 (+ 2)
% Row 2
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Variables}}} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`{[}public | private | protected{]} {[}static{]} {[}final{]} tipo nombre {[}= valor{]};`} \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Métodos}}} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`{[}public | private | protected{]} {[}static{]} {[}abstract{]} {[}final{]} tipo nombre ({[}parámetros{]}) \{{[}código{]}\}`} \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\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}{Métodos de Strings}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Uso: \seqsplit{`string.método(parámetros)`}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`length()` & longitud de {\emph{s}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
`charAt(n)` & saca el {\emph{n}}-ésimo caracter \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{`substring(n}, m)` & saca la cadena entre {\emph{n}} y {\emph{m}} \tn 
% Row Count 5 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{`indexOf(c)`} & primera posición de {\emph{c}} \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
\seqsplit{`split(regex)`} & divide por {\emph{regex}} \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
`replace(a, b)` & reemplaza {\emph{a}} por {\emph{b}} \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
`trim()` & recorta espacios al principio y al final \tn 
% Row Count 12 (+ 2)
% Row 8
\SetRowColor{LightBackground}
`equals(s)` & compara con otra string: true si son iguales, false si no \tn 
% Row Count 15 (+ 3)
% Row 9
\SetRowColor{white}
\seqsplit{`toUpperCase()`} & la pasa a mayúsculas \tn 
% Row Count 17 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\seqsplit{`toLowerCase()`} & la pasa a minúsculas \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Control de Flujo}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Sentencia If}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`if (expresión) \{código\}`} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`else if (expresión) \{código\} ...`} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`else \{código\}`} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Bucle While}}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`while (expresión) \{código\}`} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Bucle Do-While}}} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`do \{código\} while (expresión);`} \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Bucle For}}} \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`for (int i = 0; i \textless{} max; i++) \{código\}`} \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Bucle For-Each}}} \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`for(tipo variable : colección)\{código\}`} \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Switch}}} \tn 
% Row Count 13 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`switch (variable) \{`} \tn 
% Row Count 14 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`case valor: código; break;`} \tn 
% Row Count 15 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`case valor2: código; break; ... `} \tn 
% Row Count 16 (+ 1)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`default: código;\}`} \tn 
% Row Count 17 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Bloque Try-Catch}}} \tn 
% Row Count 18 (+ 1)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`try \{código peligroso\}`} \tn 
% Row Count 19 (+ 1)
% Row 19
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`catch (TipoExcepción e) \{código\}`} \tn 
% Row Count 20 (+ 1)
% Row 20
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`catch (TipoExcepción2 e) \{código\}`} \tn 
% Row Count 21 (+ 1)
% Row 21
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{`finally \{código\}`} \tn 
% Row Count 22 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}