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% Document Info
\author{bharatswati}
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  /Title (apex.pdf)
  /Creator (Cheatography)
  /Author (bharatswati)
  /Subject (Apex Cheat Sheet)
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    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Apex Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{bharatswati} via \textcolor{DarkBackground}{\uline{cheatography.com/125832/cs/36633/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}bharatswati \\
  \uline{cheatography.com/bharatswati} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 23rd January, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{multicols*}{4}

\begin{tabularx}{3.833cm}{p{0.3433 cm} p{0.3433 cm} }
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Apex Application}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Create Web Service by integrating other systems \newline Create email services for an email blast or Email Setup \newline Perform Complex Validation over multiple objects at the same time and also custom validation implementation. \newline Create complex business processes that are not  supported by existing workflow functionality or Flows \newline Create custom transactional logic \newline Perform some Logic when a record is modified. \newline  \newline Working Structure of Apex \newline Flow of Action  \newline Developer Action \newline End User Action}  \tn 
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\begin{tabularx}{3.833cm}{p{0.3433 cm} p{0.3433 cm} }
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Understanding the Apex Syntax}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Variable Decalation  \newline SOQL Query \newline Loop Statement \newline Flow Control Statement \newline DML Statement}  \tn 
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\begin{tabularx}{3.833cm}{X}
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\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Apex}}  \tn
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\mymulticolumn{1}{x{3.833cm}}{What is Apex} \tn 
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\mymulticolumn{1}{x{3.833cm}}{Apex is a strongly typed, object-oriented Programming language that allows developers to execute the flow and transaction control statements on the force.com platform server in conjunction with calls to the Froce.com API. \newline  \newline Features of Apex as a language  \newline Integrated \newline Java-like syntax and easy to use \newline Strongly Integrated with Data \newline Strongly Typed \newline Multitenant Environent \newline Upgrades Automatically}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{More String Examples}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Pliblic Boolean equalsIgnoreCase(String stringtocompate) \newline String MyString1 = 'MySTRING'; \newline String MyString2 = 'MyString'; \newline Boolean result = \seqsplit{myString2.equalsIgonoreCase(myString1);} \newline Sytem.debug(' your message :' +result);}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{String Examples}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{public Boolean equalsIgnoreCase(String stringtocompare) \newline  \newline String myString1 = 'MySTRING'; \newline String myString2 = 'MyString'; \newline Boolean result = \seqsplit{myString2.equalsIgnoreCase(myString1);} \newline System.debug('Value of equal will be true as they are same and result is : ' +result);}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Apex - String}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{String in Apex: is any set of character with no character limit. \newline String companyName = 'ABC'; \newline  \newline String Methods \newline Syntax \newline public Boolean contains(String substring) \newline  \newline Example \newline String myProductName1 = 'HCL' ; \newline String myProductName2 = 'NAHCL' ; \newline Boolean result = \seqsplit{myProductName2.contains(myProductName1);} \newline System.debug('O/P will be true as it contains the string and Output is :' +result) ;}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Apex - Variables}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Declaring Variables \newline String StrName = 'My String'; \newline Integer myInterger = 1; \newline Boolean mtBoolean = true; \newline  \newline Apex Variables are case-Insensitive( you cannot declare a variable two times) \newline Integer m  = 100; \newline For (Integer I  = 0; I \textless{} 0; I++)\{ \newline integer m = 1; \newline Scope of Variables \newline List\textless{}string\textgreater{} Products = new List\textless{}strings\textgreater{}(); \newline Products.add(HCL); \newline \}}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Primitive Data Types}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Interger \newline Interger X = 1000; \newline System.debug(' value of x Variables: ' +x); \newline  \newline Boolean \newline Boolean x; \newline x = true; \newline System.debug('  ' +x); \newline  \newline Date \newline Date x = date,today(); \newline  \newline Long/String \newline Long x = 2313212654654445643; \newline  \newline Object \newline Account x = new Account ( Name ='Test AC');}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Understanding the Data Types}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Apex Supports the Followings data types \newline Primitive(Integer, Double, Long, Date, Datetime, String, ID, or Boolean) \newline Collections(Lists, Sets and Maps) \newline sObject \newline Enums \newline Classes, Objects and Interfaces}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Apex - Enviroment}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Apex Code Development Tools \newline Force.com Developer Console \newline Froce.com IDE \newline Code Editor in the Salesforce use Interface}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{Syntax \newline \textless{}String\textgreater{} {[} {]} arrayOfProducts = new List\textless{}String\textgreater{}(); \newline Ex: \newline String {[} {]} arrayofproduts = new List \textless{}String\textgreater{}(); \newline //Adding elements in arrays \newline arrayOfProducts.add('HCL'); \newline arrrayOfProducts.add('H2SO4'); \newline  \newline For (Integer i=0;  I\textless{}arrayOfProducts.size( ); i++)\{ \newline System.debug('Value In Array :' +arrayOfProducts{[} I {]});\} \newline  \newline Accessing array element by using index}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Apex - Constants}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Constants are variables which donot change their values \newline Ex: \newline  \newline public class CustomerOperationClass\{ \newline   Static final Double regularCutomerDiscount = 0.1; \newline   Static Double finalPrice = 0; \newline public static Double provideDiscount (Integer price)\{ \newline // calculate the Discount \newline    finalPrice = price - price * rebularCustomerDiscount; \newline    return finalPrice; \newline \} \newline \} \newline OUTPUT \newline Double finalPrice = \seqsplit{CustomerOperationClass.provideDiscount(100);} \newline System.debug('FinalPrice :' +finalPrice);}  \tn 
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\begin{tabularx}{3.833cm}{p{0.3433 cm} p{0.3433 cm} }
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\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Apex - Decision Making}}  \tn
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\mymulticolumn{2}{x{3.833cm}}{Decision-making structures require that the programmer specify one or more conditions to be evaluated.}  \tn 
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\begin{tabularx}{3.833cm}{p{0.3433 cm} p{0.3433 cm} }
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\mymulticolumn{2}{x{3.833cm}}{Loop Type \& Description \newline For loop : This loop performs a set of statements for each item In a set of records. \newline SOQL for Loop: Execute a sequence of statements directly over the returned set of SOQL query. \newline Java-Like for Loop : Execute a sequence of statements in traditional Java-like syntax}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{While loop: Repeats a statement or group of statements while a given condition is true. it tests the condition before executing the loop body. \newline do...while loop \newline Like a while statement, except that it tests the condition at the end of the loop body.}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{Lists \newline Ex:  \newline List\textless{}String\textgreater{}  ListOfCities  =  new  List\textless{}String\textgreater{}(); \newline System.debug('Value of ListOfCities :' +ListOfCities); \newline  \newline List \textless{}account\textgreater{} AccountToDelete = new List\textless{}account\textgreater{} (); \newline System.debug('Value Of ListOfCities' +AccountToDelete); \newline  \newline There is a limitation on heap size. \newline  \newline Methods For Lists: \newline size() \newline add() \newline get() \newline clear() \newline set()}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{Set\textless{}string\textgreater{} ProductSet = new Set\textless{}string\textgreater{}\{'Phenol', 'Benzene', 'H2SO4'\}; \newline ProdcctSet.add('HCL'); \newline System.debug('Set with New Value :' +ProductSet); \newline  \newline ProductSet.remove('HCL'); \newline ProductSet.contains('HCL');}  \tn 
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\mymulticolumn{2}{x{3.833cm}}{Map\textless{}string, string\textgreater{} ProductCodeToProductName = New Map\textless{}string, string\textgreater{} \newline \{'1000' =\textgreater{}'HCL', '1001' =\textgreater{} 'H2SO4'\};}  \tn 
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% That's all folks
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\end{document}